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1dnl Process this file with autoconf to produce a configure script.
2AC_INIT([Makefile.in])
3
4AC_CONFIG_AUX_DIR([build-aux])
5
6dnl ============================================================================
7dnl Custom macro definitions.
8
9dnl JE_CFLAGS_APPEND(cflag)
10AC_DEFUN([JE_CFLAGS_APPEND],
11[
12AC_MSG_CHECKING([whether compiler supports $1])
13TCFLAGS="${CFLAGS}"
14if test "x${CFLAGS}" = "x" ; then
15  CFLAGS="$1"
16else
17  CFLAGS="${CFLAGS} $1"
18fi
19AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
20[[
21]], [[
22    return 0;
23]])],
24              [je_cv_cflags_appended=$1]
25              AC_MSG_RESULT([yes]),
26              [je_cv_cflags_appended=]
27              AC_MSG_RESULT([no])
28              [CFLAGS="${TCFLAGS}"]
29)
30])
31
32dnl JE_COMPILABLE(label, hcode, mcode, rvar)
33dnl
34dnl Use AC_LINK_IFELSE() rather than AC_COMPILE_IFELSE() so that linker errors
35dnl cause failure.
36AC_DEFUN([JE_COMPILABLE],
37[
38AC_CACHE_CHECK([whether $1 is compilable],
39               [$4],
40               [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2],
41                                                [$3])],
42                               [$4=yes],
43                               [$4=no])])
44])
45
46dnl ============================================================================
47
48CONFIG=`echo ${ac_configure_args} | sed -e 's#'"'"'\([^ ]*\)'"'"'#\1#g'`
49AC_SUBST([CONFIG])
50
51dnl Library revision.
52rev=2
53AC_SUBST([rev])
54
55srcroot=$srcdir
56if test "x${srcroot}" = "x." ; then
57  srcroot=""
58else
59  srcroot="${srcroot}/"
60fi
61AC_SUBST([srcroot])
62abs_srcroot="`cd \"${srcdir}\"; pwd`/"
63AC_SUBST([abs_srcroot])
64
65objroot=""
66AC_SUBST([objroot])
67abs_objroot="`pwd`/"
68AC_SUBST([abs_objroot])
69
70dnl Munge install path variables.
71if test "x$prefix" = "xNONE" ; then
72  prefix="/usr/local"
73fi
74if test "x$exec_prefix" = "xNONE" ; then
75  exec_prefix=$prefix
76fi
77PREFIX=$prefix
78AC_SUBST([PREFIX])
79BINDIR=`eval echo $bindir`
80BINDIR=`eval echo $BINDIR`
81AC_SUBST([BINDIR])
82INCLUDEDIR=`eval echo $includedir`
83INCLUDEDIR=`eval echo $INCLUDEDIR`
84AC_SUBST([INCLUDEDIR])
85LIBDIR=`eval echo $libdir`
86LIBDIR=`eval echo $LIBDIR`
87AC_SUBST([LIBDIR])
88DATADIR=`eval echo $datadir`
89DATADIR=`eval echo $DATADIR`
90AC_SUBST([DATADIR])
91MANDIR=`eval echo $mandir`
92MANDIR=`eval echo $MANDIR`
93AC_SUBST([MANDIR])
94
95dnl Support for building documentation.
96AC_PATH_PROG([XSLTPROC], [xsltproc], [false], [$PATH])
97if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then
98  DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl"
99elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then
100  DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets"
101else
102  dnl Documentation building will fail if this default gets used.
103  DEFAULT_XSLROOT=""
104fi
105AC_ARG_WITH([xslroot],
106  [AS_HELP_STRING([--with-xslroot=<path>], [XSL stylesheet root path])], [
107if test "x$with_xslroot" = "xno" ; then
108  XSLROOT="${DEFAULT_XSLROOT}"
109else
110  XSLROOT="${with_xslroot}"
111fi
112],
113  XSLROOT="${DEFAULT_XSLROOT}"
114)
115AC_SUBST([XSLROOT])
116
117dnl If CFLAGS isn't defined, set CFLAGS to something reasonable.  Otherwise,
118dnl just prevent autoconf from molesting CFLAGS.
119CFLAGS=$CFLAGS
120AC_PROG_CC
121if test "x$GCC" != "xyes" ; then
122  AC_CACHE_CHECK([whether compiler is MSVC],
123                 [je_cv_msvc],
124                 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
125                                                     [
126#ifndef _MSC_VER
127  int fail[-1];
128#endif
129])],
130                               [je_cv_msvc=yes],
131                               [je_cv_msvc=no])])
132fi
133
134if test "x$CFLAGS" = "x" ; then
135  no_CFLAGS="yes"
136  if test "x$GCC" = "xyes" ; then
137    JE_CFLAGS_APPEND([-std=gnu99])
138    if test "x$je_cv_cflags_appended" = "x-std=gnu99" ; then
139      AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT])
140    fi
141    JE_CFLAGS_APPEND([-Wall])
142    JE_CFLAGS_APPEND([-Werror=declaration-after-statement])
143    JE_CFLAGS_APPEND([-Wshorten-64-to-32])
144    JE_CFLAGS_APPEND([-pipe])
145    JE_CFLAGS_APPEND([-g3])
146  elif test "x$je_cv_msvc" = "xyes" ; then
147    CC="$CC -nologo"
148    JE_CFLAGS_APPEND([-Zi])
149    JE_CFLAGS_APPEND([-MT])
150    JE_CFLAGS_APPEND([-W3])
151    JE_CFLAGS_APPEND([-FS])
152    CPPFLAGS="$CPPFLAGS -I${srcdir}/include/msvc_compat"
153  fi
154fi
155dnl Append EXTRA_CFLAGS to CFLAGS, if defined.
156if test "x$EXTRA_CFLAGS" != "x" ; then
157  JE_CFLAGS_APPEND([$EXTRA_CFLAGS])
158fi
159AC_PROG_CPP
160
161AC_C_BIGENDIAN([ac_cv_big_endian=1], [ac_cv_big_endian=0])
162if test "x${ac_cv_big_endian}" = "x1" ; then
163  AC_DEFINE_UNQUOTED([JEMALLOC_BIG_ENDIAN], [ ])
164fi
165
166if test "x${je_cv_msvc}" = "xyes" -a "x${ac_cv_header_inttypes_h}" = "xno"; then
167  CPPFLAGS="$CPPFLAGS -I${srcdir}/include/msvc_compat/C99"
168fi
169
170if test "x${je_cv_msvc}" = "xyes" ; then
171  LG_SIZEOF_PTR=LG_SIZEOF_PTR_WIN
172  AC_MSG_RESULT([Using a predefined value for sizeof(void *): 4 for 32-bit, 8 for 64-bit])
173else
174  AC_CHECK_SIZEOF([void *])
175  if test "x${ac_cv_sizeof_void_p}" = "x8" ; then
176    LG_SIZEOF_PTR=3
177  elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then
178    LG_SIZEOF_PTR=2
179  else
180    AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}])
181  fi
182fi
183AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR])
184
185AC_CHECK_SIZEOF([int])
186if test "x${ac_cv_sizeof_int}" = "x8" ; then
187  LG_SIZEOF_INT=3
188elif test "x${ac_cv_sizeof_int}" = "x4" ; then
189  LG_SIZEOF_INT=2
190else
191  AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}])
192fi
193AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT])
194
195AC_CHECK_SIZEOF([long])
196if test "x${ac_cv_sizeof_long}" = "x8" ; then
197  LG_SIZEOF_LONG=3
198elif test "x${ac_cv_sizeof_long}" = "x4" ; then
199  LG_SIZEOF_LONG=2
200else
201  AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}])
202fi
203AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG])
204
205AC_CHECK_SIZEOF([long long])
206if test "x${ac_cv_sizeof_long_long}" = "x8" ; then
207  LG_SIZEOF_LONG_LONG=3
208elif test "x${ac_cv_sizeof_long_long}" = "x4" ; then
209  LG_SIZEOF_LONG_LONG=2
210else
211  AC_MSG_ERROR([Unsupported long long size: ${ac_cv_sizeof_long_long}])
212fi
213AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG_LONG], [$LG_SIZEOF_LONG_LONG])
214
215AC_CHECK_SIZEOF([intmax_t])
216if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then
217  LG_SIZEOF_INTMAX_T=4
218elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then
219  LG_SIZEOF_INTMAX_T=3
220elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then
221  LG_SIZEOF_INTMAX_T=2
222else
223  AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}])
224fi
225AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T])
226
227AC_CANONICAL_HOST
228dnl CPU-specific settings.
229CPU_SPINWAIT=""
230case "${host_cpu}" in
231  i686|x86_64)
232	if test "x${je_cv_msvc}" = "xyes" ; then
233	    AC_CACHE_VAL([je_cv_pause_msvc],
234	      [JE_COMPILABLE([pause instruction MSVC], [],
235					[[_mm_pause(); return 0;]],
236					[je_cv_pause_msvc])])
237	    if test "x${je_cv_pause_msvc}" = "xyes" ; then
238		CPU_SPINWAIT='_mm_pause()'
239	    fi
240	else
241	    AC_CACHE_VAL([je_cv_pause],
242	      [JE_COMPILABLE([pause instruction], [],
243					[[__asm__ volatile("pause"); return 0;]],
244					[je_cv_pause])])
245	    if test "x${je_cv_pause}" = "xyes" ; then
246		CPU_SPINWAIT='__asm__ volatile("pause")'
247	    fi
248	fi
249	;;
250  powerpc)
251	AC_DEFINE_UNQUOTED([HAVE_ALTIVEC], [ ])
252	;;
253  *)
254	;;
255esac
256AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
257
258LD_PRELOAD_VAR="LD_PRELOAD"
259so="so"
260importlib="${so}"
261o="$ac_objext"
262a="a"
263exe="$ac_exeext"
264libprefix="lib"
265DSO_LDFLAGS='-shared -Wl,-soname,$(@F)'
266RPATH='-Wl,-rpath,$(1)'
267SOREV="${so}.${rev}"
268PIC_CFLAGS='-fPIC -DPIC'
269CTARGET='-o $@'
270LDTARGET='-o $@'
271EXTRA_LDFLAGS=
272ARFLAGS='crus'
273AROUT=' $@'
274CC_MM=1
275
276AN_MAKEVAR([AR], [AC_PROG_AR])
277AN_PROGRAM([ar], [AC_PROG_AR])
278AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)])
279AC_PROG_AR
280
281dnl Platform-specific settings.  abi and RPATH can probably be determined
282dnl programmatically, but doing so is error-prone, which makes it generally
283dnl not worth the trouble.
284dnl
285dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the
286dnl definitions need to be seen before any headers are included, which is a pain
287dnl to make happen otherwise.
288default_munmap="1"
289maps_coalesce="1"
290case "${host}" in
291  *-*-darwin* | *-*-ios*)
292	CFLAGS="$CFLAGS"
293	abi="macho"
294	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
295	RPATH=""
296	LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES"
297	so="dylib"
298	importlib="${so}"
299	force_tls="0"
300	DSO_LDFLAGS='-shared -Wl,-install_name,$(LIBDIR)/$(@F)'
301	SOREV="${rev}.${so}"
302	sbrk_deprecated="1"
303	;;
304  *-*-freebsd*)
305	CFLAGS="$CFLAGS"
306	abi="elf"
307	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
308	force_lazy_lock="1"
309	;;
310  *-*-dragonfly*)
311	CFLAGS="$CFLAGS"
312	abi="elf"
313	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
314	;;
315  *-*-openbsd*|*-*-bitrig*)
316	CFLAGS="$CFLAGS"
317	abi="elf"
318	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
319	;;
320  *-*-linux*)
321	CFLAGS="$CFLAGS"
322	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
323	abi="elf"
324	AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
325	AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ])
326	AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
327	AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ])
328	default_munmap="0"
329	;;
330  *-*-netbsd*)
331	AC_MSG_CHECKING([ABI])
332        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
333[[#ifdef __ELF__
334/* ELF */
335#else
336#error aout
337#endif
338]])],
339                          [CFLAGS="$CFLAGS"; abi="elf"],
340                          [abi="aout"])
341	AC_MSG_RESULT([$abi])
342	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
343	;;
344  *-*-solaris2*)
345	CFLAGS="$CFLAGS"
346	abi="elf"
347	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
348	RPATH='-Wl,-R,$(1)'
349	dnl Solaris needs this for sigwait().
350	CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
351	LIBS="$LIBS -lposix4 -lsocket -lnsl"
352	;;
353  *-ibm-aix*)
354	if "$LG_SIZEOF_PTR" = "8"; then
355	  dnl 64bit AIX
356	  LD_PRELOAD_VAR="LDR_PRELOAD64"
357	else
358	  dnl 32bit AIX
359	  LD_PRELOAD_VAR="LDR_PRELOAD"
360	fi
361	abi="xcoff"
362	;;
363  *-*-mingw* | *-*-cygwin*)
364	abi="pecoff"
365	force_tls="0"
366	force_lazy_lock="1"
367	maps_coalesce="0"
368	RPATH=""
369	so="dll"
370	if test "x$je_cv_msvc" = "xyes" ; then
371	  importlib="lib"
372	  DSO_LDFLAGS="-LD"
373	  EXTRA_LDFLAGS="-link -DEBUG"
374	  CTARGET='-Fo$@'
375	  LDTARGET='-Fe$@'
376	  AR='lib'
377	  ARFLAGS='-nologo -out:'
378	  AROUT='$@'
379	  CC_MM=
380        else
381	  importlib="${so}"
382	  DSO_LDFLAGS="-shared"
383	fi
384	a="lib"
385	libprefix=""
386	SOREV="${so}"
387	PIC_CFLAGS=""
388	;;
389  *)
390	AC_MSG_RESULT([Unsupported operating system: ${host}])
391	abi="elf"
392	;;
393esac
394
395JEMALLOC_USABLE_SIZE_CONST=const
396AC_CHECK_HEADERS([malloc.h], [
397  AC_MSG_CHECKING([whether malloc_usable_size definition can use const argument])
398  AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
399    [#include <malloc.h>
400     #include <stddef.h>
401    size_t malloc_usable_size(const void *ptr);
402    ],
403    [])],[
404                AC_MSG_RESULT([yes])
405         ],[
406                JEMALLOC_USABLE_SIZE_CONST=
407                AC_MSG_RESULT([no])
408         ])
409])
410AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST])
411AC_SUBST([abi])
412AC_SUBST([RPATH])
413AC_SUBST([LD_PRELOAD_VAR])
414AC_SUBST([so])
415AC_SUBST([importlib])
416AC_SUBST([o])
417AC_SUBST([a])
418AC_SUBST([exe])
419AC_SUBST([libprefix])
420AC_SUBST([DSO_LDFLAGS])
421AC_SUBST([EXTRA_LDFLAGS])
422AC_SUBST([SOREV])
423AC_SUBST([PIC_CFLAGS])
424AC_SUBST([CTARGET])
425AC_SUBST([LDTARGET])
426AC_SUBST([MKLIB])
427AC_SUBST([ARFLAGS])
428AC_SUBST([AROUT])
429AC_SUBST([CC_MM])
430
431JE_COMPILABLE([__attribute__ syntax],
432              [static __attribute__((unused)) void foo(void){}],
433              [],
434              [je_cv_attribute])
435if test "x${je_cv_attribute}" = "xyes" ; then
436  AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ])
437  if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then
438    JE_CFLAGS_APPEND([-fvisibility=hidden])
439  fi
440fi
441dnl Check for tls_model attribute support (clang 3.0 still lacks support).
442SAVED_CFLAGS="${CFLAGS}"
443JE_CFLAGS_APPEND([-Werror])
444JE_COMPILABLE([tls_model attribute], [],
445              [static __thread int
446               __attribute__((tls_model("initial-exec"), unused)) foo;
447               foo = 0;],
448              [je_cv_tls_model])
449CFLAGS="${SAVED_CFLAGS}"
450if test "x${je_cv_tls_model}" = "xyes" ; then
451  AC_DEFINE([JEMALLOC_TLS_MODEL],
452            [__attribute__((tls_model("initial-exec")))])
453else
454  AC_DEFINE([JEMALLOC_TLS_MODEL], [ ])
455fi
456dnl Check for alloc_size attribute support.
457SAVED_CFLAGS="${CFLAGS}"
458JE_CFLAGS_APPEND([-Werror])
459JE_COMPILABLE([alloc_size attribute], [#include <stdlib.h>],
460              [void *foo(size_t size) __attribute__((alloc_size(1)));],
461              [je_cv_alloc_size])
462CFLAGS="${SAVED_CFLAGS}"
463if test "x${je_cv_alloc_size}" = "xyes" ; then
464  AC_DEFINE([JEMALLOC_HAVE_ATTR_ALLOC_SIZE], [ ])
465fi
466dnl Check for format(gnu_printf, ...) attribute support.
467SAVED_CFLAGS="${CFLAGS}"
468JE_CFLAGS_APPEND([-Werror])
469JE_COMPILABLE([format(gnu_printf, ...) attribute], [#include <stdlib.h>],
470              [void *foo(const char *format, ...) __attribute__((format(gnu_printf, 1, 2)));],
471              [je_cv_format_gnu_printf])
472CFLAGS="${SAVED_CFLAGS}"
473if test "x${je_cv_format_gnu_printf}" = "xyes" ; then
474  AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF], [ ])
475fi
476dnl Check for format(printf, ...) attribute support.
477SAVED_CFLAGS="${CFLAGS}"
478JE_CFLAGS_APPEND([-Werror])
479JE_COMPILABLE([format(printf, ...) attribute], [#include <stdlib.h>],
480              [void *foo(const char *format, ...) __attribute__((format(printf, 1, 2)));],
481              [je_cv_format_printf])
482CFLAGS="${SAVED_CFLAGS}"
483if test "x${je_cv_format_printf}" = "xyes" ; then
484  AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_PRINTF], [ ])
485fi
486
487dnl Support optional additions to rpath.
488AC_ARG_WITH([rpath],
489  [AS_HELP_STRING([--with-rpath=<rpath>], [Colon-separated rpath (ELF systems only)])],
490if test "x$with_rpath" = "xno" ; then
491  RPATH_EXTRA=
492else
493  RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`"
494fi,
495  RPATH_EXTRA=
496)
497AC_SUBST([RPATH_EXTRA])
498
499dnl Disable rules that do automatic regeneration of configure output by default.
500AC_ARG_ENABLE([autogen],
501  [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])],
502if test "x$enable_autogen" = "xno" ; then
503  enable_autogen="0"
504else
505  enable_autogen="1"
506fi
507,
508enable_autogen="0"
509)
510AC_SUBST([enable_autogen])
511
512AC_PROG_INSTALL
513AC_PROG_RANLIB
514AC_PATH_PROG([LD], [ld], [false], [$PATH])
515AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH])
516
517public_syms="malloc_conf malloc_message malloc calloc posix_memalign aligned_alloc realloc free mallocx rallocx xallocx sallocx dallocx sdallocx nallocx mallctl mallctlnametomib mallctlbymib malloc_stats_print malloc_usable_size"
518
519dnl Check for allocator-related functions that should be wrapped.
520AC_CHECK_FUNC([memalign],
521	      [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ])
522	       public_syms="${public_syms} memalign"])
523AC_CHECK_FUNC([valloc],
524	      [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ])
525	       public_syms="${public_syms} valloc"])
526
527dnl Do not compute test code coverage by default.
528GCOV_FLAGS=
529AC_ARG_ENABLE([code-coverage],
530  [AS_HELP_STRING([--enable-code-coverage],
531   [Enable code coverage])],
532[if test "x$enable_code_coverage" = "xno" ; then
533  enable_code_coverage="0"
534else
535  enable_code_coverage="1"
536fi
537],
538[enable_code_coverage="0"]
539)
540if test "x$enable_code_coverage" = "x1" ; then
541  deoptimize="no"
542  echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || deoptimize="yes"
543  if test "x${deoptimize}" = "xyes" ; then
544    JE_CFLAGS_APPEND([-O0])
545  fi
546  JE_CFLAGS_APPEND([-fprofile-arcs -ftest-coverage])
547  EXTRA_LDFLAGS="$EXTRA_LDFLAGS -fprofile-arcs -ftest-coverage"
548  AC_DEFINE([JEMALLOC_CODE_COVERAGE], [ ])
549fi
550AC_SUBST([enable_code_coverage])
551
552dnl Perform no name mangling by default.
553AC_ARG_WITH([mangling],
554  [AS_HELP_STRING([--with-mangling=<map>], [Mangle symbols in <map>])],
555  [mangling_map="$with_mangling"], [mangling_map=""])
556
557dnl Do not prefix public APIs by default.
558AC_ARG_WITH([jemalloc_prefix],
559  [AS_HELP_STRING([--with-jemalloc-prefix=<prefix>], [Prefix to prepend to all public APIs])],
560  [JEMALLOC_PREFIX="$with_jemalloc_prefix"],
561  [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then
562  JEMALLOC_PREFIX=""
563else
564  JEMALLOC_PREFIX="je_"
565fi]
566)
567if test "x$JEMALLOC_PREFIX" != "x" ; then
568  JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"`
569  AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"])
570  AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"])
571fi
572AC_SUBST([JEMALLOC_CPREFIX])
573
574AC_ARG_WITH([export],
575  [AS_HELP_STRING([--without-export], [disable exporting jemalloc public APIs])],
576  [if test "x$with_export" = "xno"; then
577  AC_DEFINE([JEMALLOC_EXPORT],[])
578fi]
579)
580
581dnl Mangle library-private APIs.
582AC_ARG_WITH([private_namespace],
583  [AS_HELP_STRING([--with-private-namespace=<prefix>], [Prefix to prepend to all library-private APIs])],
584  [JEMALLOC_PRIVATE_NAMESPACE="${with_private_namespace}je_"],
585  [JEMALLOC_PRIVATE_NAMESPACE="je_"]
586)
587AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], [$JEMALLOC_PRIVATE_NAMESPACE])
588private_namespace="$JEMALLOC_PRIVATE_NAMESPACE"
589AC_SUBST([private_namespace])
590
591dnl Do not add suffix to installed files by default.
592AC_ARG_WITH([install_suffix],
593  [AS_HELP_STRING([--with-install-suffix=<suffix>], [Suffix to append to all installed files])],
594  [INSTALL_SUFFIX="$with_install_suffix"],
595  [INSTALL_SUFFIX=]
596)
597install_suffix="$INSTALL_SUFFIX"
598AC_SUBST([install_suffix])
599
600dnl Specify default malloc_conf.
601AC_ARG_WITH([malloc_conf],
602  [AS_HELP_STRING([--with-malloc-conf=<malloc_conf>], [config.malloc_conf options string])],
603  [JEMALLOC_CONFIG_MALLOC_CONF="$with_malloc_conf"],
604  [JEMALLOC_CONFIG_MALLOC_CONF=""]
605)
606config_malloc_conf="$JEMALLOC_CONFIG_MALLOC_CONF"
607AC_DEFINE_UNQUOTED([JEMALLOC_CONFIG_MALLOC_CONF], ["$config_malloc_conf"])
608
609dnl Substitute @je_@ in jemalloc_protos.h.in, primarily to make generation of
610dnl jemalloc_protos_jet.h easy.
611je_="je_"
612AC_SUBST([je_])
613
614cfgoutputs_in="Makefile.in"
615cfgoutputs_in="${cfgoutputs_in} jemalloc.pc.in"
616cfgoutputs_in="${cfgoutputs_in} doc/html.xsl.in"
617cfgoutputs_in="${cfgoutputs_in} doc/manpages.xsl.in"
618cfgoutputs_in="${cfgoutputs_in} doc/jemalloc.xml.in"
619cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_macros.h.in"
620cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_protos.h.in"
621cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_typedefs.h.in"
622cfgoutputs_in="${cfgoutputs_in} include/jemalloc/internal/jemalloc_internal.h.in"
623cfgoutputs_in="${cfgoutputs_in} test/test.sh.in"
624cfgoutputs_in="${cfgoutputs_in} test/include/test/jemalloc_test.h.in"
625
626cfgoutputs_out="Makefile"
627cfgoutputs_out="${cfgoutputs_out} jemalloc.pc"
628cfgoutputs_out="${cfgoutputs_out} doc/html.xsl"
629cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl"
630cfgoutputs_out="${cfgoutputs_out} doc/jemalloc.xml"
631cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_macros.h"
632cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_protos.h"
633cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_typedefs.h"
634cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_internal.h"
635cfgoutputs_out="${cfgoutputs_out} test/test.sh"
636cfgoutputs_out="${cfgoutputs_out} test/include/test/jemalloc_test.h"
637
638cfgoutputs_tup="Makefile"
639cfgoutputs_tup="${cfgoutputs_tup} jemalloc.pc:jemalloc.pc.in"
640cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in"
641cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in"
642cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc.xml:doc/jemalloc.xml.in"
643cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_macros.h:include/jemalloc/jemalloc_macros.h.in"
644cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_protos.h:include/jemalloc/jemalloc_protos.h.in"
645cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_typedefs.h:include/jemalloc/jemalloc_typedefs.h.in"
646cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_internal.h"
647cfgoutputs_tup="${cfgoutputs_tup} test/test.sh:test/test.sh.in"
648cfgoutputs_tup="${cfgoutputs_tup} test/include/test/jemalloc_test.h:test/include/test/jemalloc_test.h.in"
649
650cfghdrs_in="include/jemalloc/jemalloc_defs.h.in"
651cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/jemalloc_internal_defs.h.in"
652cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_namespace.sh"
653cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_unnamespace.sh"
654cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_symbols.txt"
655cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_namespace.sh"
656cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_unnamespace.sh"
657cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/size_classes.sh"
658cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_rename.sh"
659cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_mangle.sh"
660cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc.sh"
661cfghdrs_in="${cfghdrs_in} test/include/test/jemalloc_test_defs.h.in"
662
663cfghdrs_out="include/jemalloc/jemalloc_defs.h"
664cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc${install_suffix}.h"
665cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_namespace.h"
666cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_unnamespace.h"
667cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_symbols.txt"
668cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_namespace.h"
669cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_unnamespace.h"
670cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/size_classes.h"
671cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_protos_jet.h"
672cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_rename.h"
673cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle.h"
674cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle_jet.h"
675cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/jemalloc_internal_defs.h"
676cfghdrs_out="${cfghdrs_out} test/include/test/jemalloc_test_defs.h"
677
678cfghdrs_tup="include/jemalloc/jemalloc_defs.h:include/jemalloc/jemalloc_defs.h.in"
679cfghdrs_tup="${cfghdrs_tup} include/jemalloc/internal/jemalloc_internal_defs.h:include/jemalloc/internal/jemalloc_internal_defs.h.in"
680cfghdrs_tup="${cfghdrs_tup} test/include/test/jemalloc_test_defs.h:test/include/test/jemalloc_test_defs.h.in"
681
682dnl Silence irrelevant compiler warnings by default.
683AC_ARG_ENABLE([cc-silence],
684  [AS_HELP_STRING([--disable-cc-silence],
685                  [Do not silence irrelevant compiler warnings])],
686[if test "x$enable_cc_silence" = "xno" ; then
687  enable_cc_silence="0"
688else
689  enable_cc_silence="1"
690fi
691],
692[enable_cc_silence="1"]
693)
694if test "x$enable_cc_silence" = "x1" ; then
695  AC_DEFINE([JEMALLOC_CC_SILENCE], [ ])
696fi
697
698dnl Do not compile with debugging by default.
699AC_ARG_ENABLE([debug],
700  [AS_HELP_STRING([--enable-debug],
701                  [Build debugging code (implies --enable-ivsalloc)])],
702[if test "x$enable_debug" = "xno" ; then
703  enable_debug="0"
704else
705  enable_debug="1"
706fi
707],
708[enable_debug="0"]
709)
710if test "x$enable_debug" = "x1" ; then
711  AC_DEFINE([JEMALLOC_DEBUG], [ ])
712fi
713if test "x$enable_debug" = "x1" ; then
714  AC_DEFINE([JEMALLOC_DEBUG], [ ])
715  enable_ivsalloc="1"
716fi
717AC_SUBST([enable_debug])
718
719dnl Do not validate pointers by default.
720AC_ARG_ENABLE([ivsalloc],
721  [AS_HELP_STRING([--enable-ivsalloc],
722                  [Validate pointers passed through the public API])],
723[if test "x$enable_ivsalloc" = "xno" ; then
724  enable_ivsalloc="0"
725else
726  enable_ivsalloc="1"
727fi
728],
729[enable_ivsalloc="0"]
730)
731if test "x$enable_ivsalloc" = "x1" ; then
732  AC_DEFINE([JEMALLOC_IVSALLOC], [ ])
733fi
734
735dnl Only optimize if not debugging.
736if test "x$enable_debug" = "x0" -a "x$no_CFLAGS" = "xyes" ; then
737  dnl Make sure that an optimization flag was not specified in EXTRA_CFLAGS.
738  optimize="no"
739  echo "$CFLAGS $EXTRA_CFLAGS" | grep '\-O' >/dev/null || optimize="yes"
740  if test "x${optimize}" = "xyes" ; then
741    if test "x$GCC" = "xyes" ; then
742      JE_CFLAGS_APPEND([-O3])
743      JE_CFLAGS_APPEND([-funroll-loops])
744    elif test "x$je_cv_msvc" = "xyes" ; then
745      JE_CFLAGS_APPEND([-O2])
746    else
747      JE_CFLAGS_APPEND([-O])
748    fi
749  fi
750fi
751
752dnl Enable statistics calculation by default.
753AC_ARG_ENABLE([stats],
754  [AS_HELP_STRING([--disable-stats],
755                  [Disable statistics calculation/reporting])],
756[if test "x$enable_stats" = "xno" ; then
757  enable_stats="0"
758else
759  enable_stats="1"
760fi
761],
762[enable_stats="1"]
763)
764if test "x$enable_stats" = "x1" ; then
765  AC_DEFINE([JEMALLOC_STATS], [ ])
766fi
767AC_SUBST([enable_stats])
768
769dnl Do not enable profiling by default.
770AC_ARG_ENABLE([prof],
771  [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])],
772[if test "x$enable_prof" = "xno" ; then
773  enable_prof="0"
774else
775  enable_prof="1"
776fi
777],
778[enable_prof="0"]
779)
780if test "x$enable_prof" = "x1" ; then
781  backtrace_method=""
782else
783  backtrace_method="N/A"
784fi
785
786AC_ARG_ENABLE([prof-libunwind],
787  [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])],
788[if test "x$enable_prof_libunwind" = "xno" ; then
789  enable_prof_libunwind="0"
790else
791  enable_prof_libunwind="1"
792fi
793],
794[enable_prof_libunwind="0"]
795)
796AC_ARG_WITH([static_libunwind],
797  [AS_HELP_STRING([--with-static-libunwind=<libunwind.a>],
798  [Path to static libunwind library; use rather than dynamically linking])],
799if test "x$with_static_libunwind" = "xno" ; then
800  LUNWIND="-lunwind"
801else
802  if test ! -f "$with_static_libunwind" ; then
803    AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind])
804  fi
805  LUNWIND="$with_static_libunwind"
806fi,
807  LUNWIND="-lunwind"
808)
809if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then
810  AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"])
811  if test "x$LUNWIND" = "x-lunwind" ; then
812    AC_CHECK_LIB([unwind], [unw_backtrace], [LIBS="$LIBS $LUNWIND"],
813                 [enable_prof_libunwind="0"])
814  else
815    LIBS="$LIBS $LUNWIND"
816  fi
817  if test "x${enable_prof_libunwind}" = "x1" ; then
818    backtrace_method="libunwind"
819    AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ])
820  fi
821fi
822
823AC_ARG_ENABLE([prof-libgcc],
824  [AS_HELP_STRING([--disable-prof-libgcc],
825  [Do not use libgcc for backtracing])],
826[if test "x$enable_prof_libgcc" = "xno" ; then
827  enable_prof_libgcc="0"
828else
829  enable_prof_libgcc="1"
830fi
831],
832[enable_prof_libgcc="1"]
833)
834if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \
835     -a "x$GCC" = "xyes" ; then
836  AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"])
837  AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [LIBS="$LIBS -lgcc"], [enable_prof_libgcc="0"])
838  if test "x${enable_prof_libgcc}" = "x1" ; then
839    backtrace_method="libgcc"
840    AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ])
841  fi
842else
843  enable_prof_libgcc="0"
844fi
845
846AC_ARG_ENABLE([prof-gcc],
847  [AS_HELP_STRING([--disable-prof-gcc],
848  [Do not use gcc intrinsics for backtracing])],
849[if test "x$enable_prof_gcc" = "xno" ; then
850  enable_prof_gcc="0"
851else
852  enable_prof_gcc="1"
853fi
854],
855[enable_prof_gcc="1"]
856)
857if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \
858     -a "x$GCC" = "xyes" ; then
859  JE_CFLAGS_APPEND([-fno-omit-frame-pointer])
860  backtrace_method="gcc intrinsics"
861  AC_DEFINE([JEMALLOC_PROF_GCC], [ ])
862else
863  enable_prof_gcc="0"
864fi
865
866if test "x$backtrace_method" = "x" ; then
867  backtrace_method="none (disabling profiling)"
868  enable_prof="0"
869fi
870AC_MSG_CHECKING([configured backtracing method])
871AC_MSG_RESULT([$backtrace_method])
872if test "x$enable_prof" = "x1" ; then
873  if test "x$abi" != "xpecoff"; then
874    dnl Heap profiling uses the log(3) function.
875    LIBS="$LIBS -lm"
876  fi
877
878  AC_DEFINE([JEMALLOC_PROF], [ ])
879fi
880AC_SUBST([enable_prof])
881
882dnl Enable thread-specific caching by default.
883AC_ARG_ENABLE([tcache],
884  [AS_HELP_STRING([--disable-tcache], [Disable per thread caches])],
885[if test "x$enable_tcache" = "xno" ; then
886  enable_tcache="0"
887else
888  enable_tcache="1"
889fi
890],
891[enable_tcache="1"]
892)
893if test "x$enable_tcache" = "x1" ; then
894  AC_DEFINE([JEMALLOC_TCACHE], [ ])
895fi
896AC_SUBST([enable_tcache])
897
898dnl Indicate whether adjacent virtual memory mappings automatically coalesce
899dnl (and fragment on demand).
900if test "x${maps_coalesce}" = "x1" ; then
901  AC_DEFINE([JEMALLOC_MAPS_COALESCE], [ ])
902fi
903
904dnl Enable VM deallocation via munmap() by default.
905AC_ARG_ENABLE([munmap],
906  [AS_HELP_STRING([--disable-munmap], [Disable VM deallocation via munmap(2)])],
907[if test "x$enable_munmap" = "xno" ; then
908  enable_munmap="0"
909else
910  enable_munmap="1"
911fi
912],
913[enable_munmap="${default_munmap}"]
914)
915if test "x$enable_munmap" = "x1" ; then
916  AC_DEFINE([JEMALLOC_MUNMAP], [ ])
917fi
918AC_SUBST([enable_munmap])
919
920dnl Enable allocation from DSS if supported by the OS.
921have_dss="1"
922dnl Check whether the BSD/SUSv1 sbrk() exists.  If not, disable DSS support.
923AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"])
924if test "x$have_sbrk" = "x1" ; then
925  if test "x$sbrk_deprecated" = "x1" ; then
926    AC_MSG_RESULT([Disabling dss allocation because sbrk is deprecated])
927    have_dss="0"
928  fi
929else
930  have_dss="0"
931fi
932
933if test "x$have_dss" = "x1" ; then
934  AC_DEFINE([JEMALLOC_DSS], [ ])
935fi
936
937dnl Support the junk/zero filling option by default.
938AC_ARG_ENABLE([fill],
939  [AS_HELP_STRING([--disable-fill],
940                  [Disable support for junk/zero filling, quarantine, and redzones])],
941[if test "x$enable_fill" = "xno" ; then
942  enable_fill="0"
943else
944  enable_fill="1"
945fi
946],
947[enable_fill="1"]
948)
949if test "x$enable_fill" = "x1" ; then
950  AC_DEFINE([JEMALLOC_FILL], [ ])
951fi
952AC_SUBST([enable_fill])
953
954dnl Disable utrace(2)-based tracing by default.
955AC_ARG_ENABLE([utrace],
956  [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])],
957[if test "x$enable_utrace" = "xno" ; then
958  enable_utrace="0"
959else
960  enable_utrace="1"
961fi
962],
963[enable_utrace="0"]
964)
965JE_COMPILABLE([utrace(2)], [
966#include <sys/types.h>
967#include <sys/param.h>
968#include <sys/time.h>
969#include <sys/uio.h>
970#include <sys/ktrace.h>
971], [
972	utrace((void *)0, 0);
973], [je_cv_utrace])
974if test "x${je_cv_utrace}" = "xno" ; then
975  enable_utrace="0"
976fi
977if test "x$enable_utrace" = "x1" ; then
978  AC_DEFINE([JEMALLOC_UTRACE], [ ])
979fi
980AC_SUBST([enable_utrace])
981
982dnl Support Valgrind by default.
983AC_ARG_ENABLE([valgrind],
984  [AS_HELP_STRING([--disable-valgrind], [Disable support for Valgrind])],
985[if test "x$enable_valgrind" = "xno" ; then
986  enable_valgrind="0"
987else
988  enable_valgrind="1"
989fi
990],
991[enable_valgrind="1"]
992)
993if test "x$enable_valgrind" = "x1" ; then
994  JE_COMPILABLE([valgrind], [
995#include <valgrind/valgrind.h>
996#include <valgrind/memcheck.h>
997
998#if !defined(VALGRIND_RESIZEINPLACE_BLOCK)
999#  error "Incompatible Valgrind version"
1000#endif
1001], [], [je_cv_valgrind])
1002  if test "x${je_cv_valgrind}" = "xno" ; then
1003    enable_valgrind="0"
1004  fi
1005  if test "x$enable_valgrind" = "x1" ; then
1006    AC_DEFINE([JEMALLOC_VALGRIND], [ ])
1007  fi
1008fi
1009AC_SUBST([enable_valgrind])
1010
1011dnl Do not support the xmalloc option by default.
1012AC_ARG_ENABLE([xmalloc],
1013  [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])],
1014[if test "x$enable_xmalloc" = "xno" ; then
1015  enable_xmalloc="0"
1016else
1017  enable_xmalloc="1"
1018fi
1019],
1020[enable_xmalloc="0"]
1021)
1022if test "x$enable_xmalloc" = "x1" ; then
1023  AC_DEFINE([JEMALLOC_XMALLOC], [ ])
1024fi
1025AC_SUBST([enable_xmalloc])
1026
1027dnl Support cache-oblivious allocation alignment by default.
1028AC_ARG_ENABLE([cache-oblivious],
1029  [AS_HELP_STRING([--disable-cache-oblivious],
1030                  [Disable support for cache-oblivious allocation alignment])],
1031[if test "x$enable_cache_oblivious" = "xno" ; then
1032  enable_cache_oblivious="0"
1033else
1034  enable_cache_oblivious="1"
1035fi
1036],
1037[enable_cache_oblivious="1"]
1038)
1039if test "x$enable_cache_oblivious" = "x1" ; then
1040  AC_DEFINE([JEMALLOC_CACHE_OBLIVIOUS], [ ])
1041fi
1042AC_SUBST([enable_cache_oblivious])
1043
1044dnl ============================================================================
1045dnl Check for  __builtin_ffsl(), then ffsl(3), and fail if neither are found.
1046dnl One of those two functions should (theoretically) exist on all platforms
1047dnl that jemalloc currently has a chance of functioning on without modification.
1048dnl We additionally assume ffs[ll]() or __builtin_ffs[ll]() are defined if
1049dnl ffsl() or __builtin_ffsl() are defined, respectively.
1050JE_COMPILABLE([a program using __builtin_ffsl], [
1051#include <stdio.h>
1052#include <strings.h>
1053#include <string.h>
1054], [
1055	{
1056		int rv = __builtin_ffsl(0x08);
1057		printf("%d\n", rv);
1058	}
1059], [je_cv_gcc_builtin_ffsl])
1060if test "x${je_cv_gcc_builtin_ffsl}" = "xyes" ; then
1061  AC_DEFINE([JEMALLOC_INTERNAL_FFSLL], [__builtin_ffsll])
1062  AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [__builtin_ffsl])
1063  AC_DEFINE([JEMALLOC_INTERNAL_FFS], [__builtin_ffs])
1064else
1065  JE_COMPILABLE([a program using ffsl], [
1066  #include <stdio.h>
1067  #include <strings.h>
1068  #include <string.h>
1069  ], [
1070	{
1071		int rv = ffsl(0x08);
1072		printf("%d\n", rv);
1073	}
1074  ], [je_cv_function_ffsl])
1075  if test "x${je_cv_function_ffsl}" = "xyes" ; then
1076    AC_DEFINE([JEMALLOC_INTERNAL_FFSLL], [ffsll])
1077    AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [ffsl])
1078    AC_DEFINE([JEMALLOC_INTERNAL_FFS], [ffs])
1079  else
1080    AC_MSG_ERROR([Cannot build without ffsl(3) or __builtin_ffsl()])
1081  fi
1082fi
1083
1084AC_ARG_WITH([lg_tiny_min],
1085  [AS_HELP_STRING([--with-lg-tiny-min=<lg-tiny-min>],
1086   [Base 2 log of minimum tiny size class to support])],
1087  [LG_TINY_MIN="$with_lg_tiny_min"],
1088  [LG_TINY_MIN="3"])
1089AC_DEFINE_UNQUOTED([LG_TINY_MIN], [$LG_TINY_MIN])
1090
1091AC_ARG_WITH([lg_quantum],
1092  [AS_HELP_STRING([--with-lg-quantum=<lg-quantum>],
1093   [Base 2 log of minimum allocation alignment])],
1094  [LG_QUANTA="$with_lg_quantum"],
1095  [LG_QUANTA="3 4"])
1096if test "x$with_lg_quantum" != "x" ; then
1097  AC_DEFINE_UNQUOTED([LG_QUANTUM], [$with_lg_quantum])
1098fi
1099
1100AC_ARG_WITH([lg_page],
1101  [AS_HELP_STRING([--with-lg-page=<lg-page>], [Base 2 log of system page size])],
1102  [LG_PAGE="$with_lg_page"], [LG_PAGE="detect"])
1103if test "x$LG_PAGE" = "xdetect"; then
1104  AC_CACHE_CHECK([LG_PAGE],
1105               [je_cv_lg_page],
1106               AC_RUN_IFELSE([AC_LANG_PROGRAM(
1107[[
1108#include <strings.h>
1109#ifdef _WIN32
1110#include <windows.h>
1111#else
1112#include <unistd.h>
1113#endif
1114#include <stdio.h>
1115]],
1116[[
1117    int result;
1118    FILE *f;
1119
1120#ifdef _WIN32
1121    SYSTEM_INFO si;
1122    GetSystemInfo(&si);
1123    result = si.dwPageSize;
1124#else
1125    result = sysconf(_SC_PAGESIZE);
1126#endif
1127    if (result == -1) {
1128	return 1;
1129    }
1130    result = JEMALLOC_INTERNAL_FFSL(result) - 1;
1131
1132    f = fopen("conftest.out", "w");
1133    if (f == NULL) {
1134	return 1;
1135    }
1136    fprintf(f, "%d", result);
1137    fclose(f);
1138
1139    return 0;
1140]])],
1141                             [je_cv_lg_page=`cat conftest.out`],
1142                             [je_cv_lg_page=undefined],
1143                             [je_cv_lg_page=12]))
1144fi
1145if test "x${je_cv_lg_page}" != "x" ; then
1146  LG_PAGE="${je_cv_lg_page}"
1147fi
1148if test "x${LG_PAGE}" != "xundefined" ; then
1149   AC_DEFINE_UNQUOTED([LG_PAGE], [$LG_PAGE])
1150else
1151   AC_MSG_ERROR([cannot determine value for LG_PAGE])
1152fi
1153
1154AC_ARG_WITH([lg_page_sizes],
1155  [AS_HELP_STRING([--with-lg-page-sizes=<lg-page-sizes>],
1156   [Base 2 logs of system page sizes to support])],
1157  [LG_PAGE_SIZES="$with_lg_page_sizes"], [LG_PAGE_SIZES="$LG_PAGE"])
1158
1159AC_ARG_WITH([lg_size_class_group],
1160  [AS_HELP_STRING([--with-lg-size-class-group=<lg-size-class-group>],
1161   [Base 2 log of size classes per doubling])],
1162  [LG_SIZE_CLASS_GROUP="$with_lg_size_class_group"],
1163  [LG_SIZE_CLASS_GROUP="2"])
1164
1165dnl ============================================================================
1166dnl jemalloc configuration.
1167dnl
1168
1169dnl Set VERSION if source directory is inside a git repository.
1170if test "x`test ! \"${srcroot}\" && cd \"${srcroot}\"; git rev-parse --is-inside-work-tree 2>/dev/null`" = "xtrue" ; then
1171  dnl Pattern globs aren't powerful enough to match both single- and
1172  dnl double-digit version numbers, so iterate over patterns to support up to
1173  dnl version 99.99.99 without any accidental matches.
1174  rm -f "${objroot}VERSION"
1175  for pattern in ['[0-9].[0-9].[0-9]' '[0-9].[0-9].[0-9][0-9]' \
1176                 '[0-9].[0-9][0-9].[0-9]' '[0-9].[0-9][0-9].[0-9][0-9]' \
1177                 '[0-9][0-9].[0-9].[0-9]' '[0-9][0-9].[0-9].[0-9][0-9]' \
1178                 '[0-9][0-9].[0-9][0-9].[0-9]' \
1179                 '[0-9][0-9].[0-9][0-9].[0-9][0-9]']; do
1180    if test ! -e "${objroot}VERSION" ; then
1181      (test ! "${srcroot}" && cd "${srcroot}"; git describe --long --abbrev=40 --match="${pattern}") > "${objroot}VERSION.tmp" 2>/dev/null
1182      if test $? -eq 0 ; then
1183        mv "${objroot}VERSION.tmp" "${objroot}VERSION"
1184        break
1185      fi
1186    fi
1187  done
1188fi
1189rm -f "${objroot}VERSION.tmp"
1190if test ! -e "${objroot}VERSION" ; then
1191  if test ! -e "${srcroot}VERSION" ; then
1192    AC_MSG_RESULT(
1193      [Missing VERSION file, and unable to generate it; creating bogus VERSION])
1194    echo "0.0.0-0-g0000000000000000000000000000000000000000" > "${objroot}VERSION"
1195  else
1196    cp ${srcroot}VERSION ${objroot}VERSION
1197  fi
1198fi
1199jemalloc_version=`cat "${objroot}VERSION"`
1200jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'`
1201jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'`
1202jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'`
1203jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'`
1204jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'`
1205AC_SUBST([jemalloc_version])
1206AC_SUBST([jemalloc_version_major])
1207AC_SUBST([jemalloc_version_minor])
1208AC_SUBST([jemalloc_version_bugfix])
1209AC_SUBST([jemalloc_version_nrev])
1210AC_SUBST([jemalloc_version_gid])
1211
1212dnl ============================================================================
1213dnl Configure pthreads.
1214
1215if test "x$abi" != "xpecoff" ; then
1216  AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])])
1217  dnl Some systems may embed pthreads functionality in libc; check for libpthread
1218  dnl first, but try libc too before failing.
1219  AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"],
1220               [AC_SEARCH_LIBS([pthread_create], , ,
1221                               AC_MSG_ERROR([libpthread is missing]))])
1222fi
1223
1224CPPFLAGS="$CPPFLAGS -D_REENTRANT"
1225
1226dnl Check whether clock_gettime(2) is in libc or librt.  This function is only
1227dnl used in test code, so save the result to TESTLIBS to avoid poluting LIBS.
1228SAVED_LIBS="${LIBS}"
1229LIBS=
1230AC_SEARCH_LIBS([clock_gettime], [rt], [TESTLIBS="${LIBS}"])
1231AC_SUBST([TESTLIBS])
1232LIBS="${SAVED_LIBS}"
1233
1234dnl Check if the GNU-specific secure_getenv function exists.
1235AC_CHECK_FUNC([secure_getenv],
1236              [have_secure_getenv="1"],
1237              [have_secure_getenv="0"]
1238             )
1239if test "x$have_secure_getenv" = "x1" ; then
1240  AC_DEFINE([JEMALLOC_HAVE_SECURE_GETENV], [ ])
1241fi
1242
1243dnl Check if the Solaris/BSD issetugid function exists.
1244AC_CHECK_FUNC([issetugid],
1245              [have_issetugid="1"],
1246              [have_issetugid="0"]
1247             )
1248if test "x$have_issetugid" = "x1" ; then
1249  AC_DEFINE([JEMALLOC_HAVE_ISSETUGID], [ ])
1250fi
1251
1252dnl Check whether the BSD-specific _malloc_thread_cleanup() exists.  If so, use
1253dnl it rather than pthreads TSD cleanup functions to support cleanup during
1254dnl thread exit, in order to avoid pthreads library recursion during
1255dnl bootstrapping.
1256AC_CHECK_FUNC([_malloc_thread_cleanup],
1257              [have__malloc_thread_cleanup="1"],
1258              [have__malloc_thread_cleanup="0"]
1259             )
1260if test "x$have__malloc_thread_cleanup" = "x1" ; then
1261  AC_DEFINE([JEMALLOC_MALLOC_THREAD_CLEANUP], [ ])
1262  force_tls="1"
1263fi
1264
1265dnl Check whether the BSD-specific _pthread_mutex_init_calloc_cb() exists.  If
1266dnl so, mutex initialization causes allocation, and we need to implement this
1267dnl callback function in order to prevent recursive allocation.
1268AC_CHECK_FUNC([_pthread_mutex_init_calloc_cb],
1269              [have__pthread_mutex_init_calloc_cb="1"],
1270              [have__pthread_mutex_init_calloc_cb="0"]
1271             )
1272if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then
1273  AC_DEFINE([JEMALLOC_MUTEX_INIT_CB])
1274fi
1275
1276dnl Disable lazy locking by default.
1277AC_ARG_ENABLE([lazy_lock],
1278  [AS_HELP_STRING([--enable-lazy-lock],
1279  [Enable lazy locking (only lock when multi-threaded)])],
1280[if test "x$enable_lazy_lock" = "xno" ; then
1281  enable_lazy_lock="0"
1282else
1283  enable_lazy_lock="1"
1284fi
1285],
1286[enable_lazy_lock=""]
1287)
1288if test "x$enable_lazy_lock" = "x" -a "x${force_lazy_lock}" = "x1" ; then
1289  AC_MSG_RESULT([Forcing lazy-lock to avoid allocator/threading bootstrap issues])
1290  enable_lazy_lock="1"
1291fi
1292if test "x$enable_lazy_lock" = "x1" ; then
1293  if test "x$abi" != "xpecoff" ; then
1294    AC_CHECK_HEADERS([dlfcn.h], , [AC_MSG_ERROR([dlfcn.h is missing])])
1295    AC_CHECK_FUNC([dlsym], [],
1296      [AC_CHECK_LIB([dl], [dlsym], [LIBS="$LIBS -ldl"],
1297                    [AC_MSG_ERROR([libdl is missing])])
1298      ])
1299  fi
1300  AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ])
1301else
1302  enable_lazy_lock="0"
1303fi
1304AC_SUBST([enable_lazy_lock])
1305
1306AC_ARG_ENABLE([tls],
1307  [AS_HELP_STRING([--disable-tls], [Disable thread-local storage (__thread keyword)])],
1308if test "x$enable_tls" = "xno" ; then
1309  enable_tls="0"
1310else
1311  enable_tls="1"
1312fi
1313,
1314enable_tls=""
1315)
1316if test "x${enable_tls}" = "x" ; then
1317  if test "x${force_tls}" = "x1" ; then
1318    AC_MSG_RESULT([Forcing TLS to avoid allocator/threading bootstrap issues])
1319    enable_tls="1"
1320  elif test "x${force_tls}" = "x0" ; then
1321    AC_MSG_RESULT([Forcing no TLS to avoid allocator/threading bootstrap issues])
1322    enable_tls="0"
1323  else
1324    enable_tls="1"
1325  fi
1326fi
1327if test "x${enable_tls}" = "x1" ; then
1328AC_MSG_CHECKING([for TLS])
1329AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1330[[
1331    __thread int x;
1332]], [[
1333    x = 42;
1334
1335    return 0;
1336]])],
1337              AC_MSG_RESULT([yes]),
1338              AC_MSG_RESULT([no])
1339              enable_tls="0")
1340else
1341  enable_tls="0"
1342fi
1343AC_SUBST([enable_tls])
1344if test "x${enable_tls}" = "x1" ; then
1345  if test "x${force_tls}" = "x0" ; then
1346    AC_MSG_WARN([TLS enabled despite being marked unusable on this platform])
1347  fi
1348  AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ])
1349elif test "x${force_tls}" = "x1" ; then
1350  AC_MSG_WARN([TLS disabled despite being marked critical on this platform])
1351fi
1352
1353dnl ============================================================================
1354dnl Check for C11 atomics.
1355
1356JE_COMPILABLE([C11 atomics], [
1357#include <stdint.h>
1358#if (__STDC_VERSION__ >= 201112L) && !defined(__STDC_NO_ATOMICS__)
1359#include <stdatomic.h>
1360#else
1361#error Atomics not available
1362#endif
1363], [
1364    uint64_t *p = (uint64_t *)0;
1365    uint64_t x = 1;
1366    volatile atomic_uint_least64_t *a = (volatile atomic_uint_least64_t *)p;
1367    uint64_t r = atomic_fetch_add(a, x) + x;
1368    return (r == 0);
1369], [je_cv_c11atomics])
1370if test "x${je_cv_c11atomics}" = "xyes" ; then
1371  AC_DEFINE([JEMALLOC_C11ATOMICS])
1372fi
1373
1374dnl ============================================================================
1375dnl Check for atomic(9) operations as provided on FreeBSD.
1376
1377JE_COMPILABLE([atomic(9)], [
1378#include <sys/types.h>
1379#include <machine/atomic.h>
1380#include <inttypes.h>
1381], [
1382	{
1383		uint32_t x32 = 0;
1384		volatile uint32_t *x32p = &x32;
1385		atomic_fetchadd_32(x32p, 1);
1386	}
1387	{
1388		unsigned long xlong = 0;
1389		volatile unsigned long *xlongp = &xlong;
1390		atomic_fetchadd_long(xlongp, 1);
1391	}
1392], [je_cv_atomic9])
1393if test "x${je_cv_atomic9}" = "xyes" ; then
1394  AC_DEFINE([JEMALLOC_ATOMIC9])
1395fi
1396
1397dnl ============================================================================
1398dnl Check for atomic(3) operations as provided on Darwin.
1399
1400JE_COMPILABLE([Darwin OSAtomic*()], [
1401#include <libkern/OSAtomic.h>
1402#include <inttypes.h>
1403], [
1404	{
1405		int32_t x32 = 0;
1406		volatile int32_t *x32p = &x32;
1407		OSAtomicAdd32(1, x32p);
1408	}
1409	{
1410		int64_t x64 = 0;
1411		volatile int64_t *x64p = &x64;
1412		OSAtomicAdd64(1, x64p);
1413	}
1414], [je_cv_osatomic])
1415if test "x${je_cv_osatomic}" = "xyes" ; then
1416  AC_DEFINE([JEMALLOC_OSATOMIC], [ ])
1417fi
1418
1419dnl ============================================================================
1420dnl Check for madvise(2).
1421
1422JE_COMPILABLE([madvise(2)], [
1423#include <sys/mman.h>
1424], [
1425	{
1426		madvise((void *)0, 0, 0);
1427	}
1428], [je_cv_madvise])
1429if test "x${je_cv_madvise}" = "xyes" ; then
1430  AC_DEFINE([JEMALLOC_HAVE_MADVISE], [ ])
1431fi
1432
1433dnl ============================================================================
1434dnl Check whether __sync_{add,sub}_and_fetch() are available despite
1435dnl __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros being undefined.
1436
1437AC_DEFUN([JE_SYNC_COMPARE_AND_SWAP_CHECK],[
1438  AC_CACHE_CHECK([whether to force $1-bit __sync_{add,sub}_and_fetch()],
1439               [je_cv_sync_compare_and_swap_$2],
1440               [AC_LINK_IFELSE([AC_LANG_PROGRAM([
1441                                                 #include <stdint.h>
1442                                                ],
1443                                                [
1444                                                 #ifndef __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2
1445                                                 {
1446                                                    uint$1_t x$1 = 0;
1447                                                    __sync_add_and_fetch(&x$1, 42);
1448                                                    __sync_sub_and_fetch(&x$1, 1);
1449                                                 }
1450                                                 #else
1451                                                 #error __GCC_HAVE_SYNC_COMPARE_AND_SWAP_$2 is defined, no need to force
1452                                                 #endif
1453                                                ])],
1454                               [je_cv_sync_compare_and_swap_$2=yes],
1455                               [je_cv_sync_compare_and_swap_$2=no])])
1456
1457  if test "x${je_cv_sync_compare_and_swap_$2}" = "xyes" ; then
1458    AC_DEFINE([JE_FORCE_SYNC_COMPARE_AND_SWAP_$2], [ ])
1459  fi
1460])
1461
1462if test "x${je_cv_atomic9}" != "xyes" -a "x${je_cv_osatomic}" != "xyes" ; then
1463  JE_SYNC_COMPARE_AND_SWAP_CHECK(32, 4)
1464  JE_SYNC_COMPARE_AND_SWAP_CHECK(64, 8)
1465fi
1466
1467dnl ============================================================================
1468dnl Check for __builtin_clz() and __builtin_clzl().
1469
1470AC_CACHE_CHECK([for __builtin_clz],
1471               [je_cv_builtin_clz],
1472               [AC_LINK_IFELSE([AC_LANG_PROGRAM([],
1473                                                [
1474                                                {
1475                                                        unsigned x = 0;
1476                                                        int y = __builtin_clz(x);
1477                                                }
1478                                                {
1479                                                        unsigned long x = 0;
1480                                                        int y = __builtin_clzl(x);
1481                                                }
1482                                                ])],
1483                               [je_cv_builtin_clz=yes],
1484                               [je_cv_builtin_clz=no])])
1485
1486if test "x${je_cv_builtin_clz}" = "xyes" ; then
1487  AC_DEFINE([JEMALLOC_HAVE_BUILTIN_CLZ], [ ])
1488fi
1489
1490dnl ============================================================================
1491dnl Check for spinlock(3) operations as provided on Darwin.
1492
1493JE_COMPILABLE([Darwin OSSpin*()], [
1494#include <libkern/OSAtomic.h>
1495#include <inttypes.h>
1496], [
1497	OSSpinLock lock = 0;
1498	OSSpinLockLock(&lock);
1499	OSSpinLockUnlock(&lock);
1500], [je_cv_osspin])
1501if test "x${je_cv_osspin}" = "xyes" ; then
1502  AC_DEFINE([JEMALLOC_OSSPIN], [ ])
1503fi
1504
1505dnl ============================================================================
1506dnl Darwin-related configuration.
1507
1508AC_ARG_ENABLE([zone-allocator],
1509  [AS_HELP_STRING([--disable-zone-allocator],
1510                  [Disable zone allocator for Darwin])],
1511[if test "x$enable_zone_allocator" = "xno" ; then
1512  enable_zone_allocator="0"
1513else
1514  enable_zone_allocator="1"
1515fi
1516],
1517[if test "x${abi}" = "xmacho"; then
1518  enable_zone_allocator="1"
1519fi
1520]
1521)
1522AC_SUBST([enable_zone_allocator])
1523
1524if test "x${enable_zone_allocator}" = "x1" ; then
1525  if test "x${abi}" != "xmacho"; then
1526    AC_MSG_ERROR([--enable-zone-allocator is only supported on Darwin])
1527  fi
1528  AC_DEFINE([JEMALLOC_ZONE], [ ])
1529
1530  dnl The szone version jumped from 3 to 6 between the OS X 10.5.x and 10.6
1531  dnl releases.  malloc_zone_t and malloc_introspection_t have new fields in
1532  dnl 10.6, which is the only source-level indication of the change.
1533  AC_MSG_CHECKING([malloc zone version])
1534  AC_DEFUN([JE_ZONE_PROGRAM],
1535    [AC_LANG_PROGRAM(
1536      [#include <malloc/malloc.h>],
1537      [static int foo[[sizeof($1) $2 sizeof(void *) * $3 ? 1 : -1]]]
1538    )])
1539
1540  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,14)],[JEMALLOC_ZONE_VERSION=3],[
1541  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,15)],[JEMALLOC_ZONE_VERSION=5],[
1542  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,16)],[
1543    AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,9)],[JEMALLOC_ZONE_VERSION=6],[
1544    AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_introspection_t,==,13)],[JEMALLOC_ZONE_VERSION=7],[JEMALLOC_ZONE_VERSION=]
1545  )])],[
1546  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,==,17)],[JEMALLOC_ZONE_VERSION=8],[
1547  AC_COMPILE_IFELSE([JE_ZONE_PROGRAM(malloc_zone_t,>,17)],[JEMALLOC_ZONE_VERSION=9],[JEMALLOC_ZONE_VERSION=]
1548  )])])])])
1549  if test "x${JEMALLOC_ZONE_VERSION}" = "x"; then
1550    AC_MSG_RESULT([unsupported])
1551    AC_MSG_ERROR([Unsupported malloc zone version])
1552  fi
1553  if test "${JEMALLOC_ZONE_VERSION}" = 9; then
1554    JEMALLOC_ZONE_VERSION=8
1555    AC_MSG_RESULT([> 8])
1556  else
1557    AC_MSG_RESULT([$JEMALLOC_ZONE_VERSION])
1558  fi
1559  AC_DEFINE_UNQUOTED(JEMALLOC_ZONE_VERSION, [$JEMALLOC_ZONE_VERSION])
1560fi
1561
1562dnl ============================================================================
1563dnl Check for glibc malloc hooks
1564
1565JE_COMPILABLE([glibc malloc hook], [
1566#include <stddef.h>
1567
1568extern void (* __free_hook)(void *ptr);
1569extern void *(* __malloc_hook)(size_t size);
1570extern void *(* __realloc_hook)(void *ptr, size_t size);
1571], [
1572  void *ptr = 0L;
1573  if (__malloc_hook) ptr = __malloc_hook(1);
1574  if (__realloc_hook) ptr = __realloc_hook(ptr, 2);
1575  if (__free_hook && ptr) __free_hook(ptr);
1576], [je_cv_glibc_malloc_hook])
1577if test "x${je_cv_glibc_malloc_hook}" = "xyes" ; then
1578  AC_DEFINE([JEMALLOC_GLIBC_MALLOC_HOOK], [ ])
1579fi
1580
1581JE_COMPILABLE([glibc memalign hook], [
1582#include <stddef.h>
1583
1584extern void *(* __memalign_hook)(size_t alignment, size_t size);
1585], [
1586  void *ptr = 0L;
1587  if (__memalign_hook) ptr = __memalign_hook(16, 7);
1588], [je_cv_glibc_memalign_hook])
1589if test "x${je_cv_glibc_memalign_hook}" = "xyes" ; then
1590  AC_DEFINE([JEMALLOC_GLIBC_MEMALIGN_HOOK], [ ])
1591fi
1592
1593JE_COMPILABLE([pthreads adaptive mutexes], [
1594#include <pthread.h>
1595], [
1596  pthread_mutexattr_t attr;
1597  pthread_mutexattr_init(&attr);
1598  pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
1599  pthread_mutexattr_destroy(&attr);
1600], [je_cv_pthread_mutex_adaptive_np])
1601if test "x${je_cv_pthread_mutex_adaptive_np}" = "xyes" ; then
1602  AC_DEFINE([JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], [ ])
1603fi
1604
1605dnl ============================================================================
1606dnl Check for typedefs, structures, and compiler characteristics.
1607AC_HEADER_STDBOOL
1608
1609dnl ============================================================================
1610dnl Define commands that generate output files.
1611
1612AC_CONFIG_COMMANDS([include/jemalloc/internal/private_namespace.h], [
1613  mkdir -p "${objroot}include/jemalloc/internal"
1614  "${srcdir}/include/jemalloc/internal/private_namespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_namespace.h"
1615], [
1616  srcdir="${srcdir}"
1617  objroot="${objroot}"
1618])
1619AC_CONFIG_COMMANDS([include/jemalloc/internal/private_unnamespace.h], [
1620  mkdir -p "${objroot}include/jemalloc/internal"
1621  "${srcdir}/include/jemalloc/internal/private_unnamespace.sh" "${srcdir}/include/jemalloc/internal/private_symbols.txt" > "${objroot}include/jemalloc/internal/private_unnamespace.h"
1622], [
1623  srcdir="${srcdir}"
1624  objroot="${objroot}"
1625])
1626AC_CONFIG_COMMANDS([include/jemalloc/internal/public_symbols.txt], [
1627  f="${objroot}include/jemalloc/internal/public_symbols.txt"
1628  mkdir -p "${objroot}include/jemalloc/internal"
1629  cp /dev/null "${f}"
1630  for nm in `echo ${mangling_map} |tr ',' ' '` ; do
1631    n=`echo ${nm} |tr ':' ' ' |awk '{print $[]1}'`
1632    m=`echo ${nm} |tr ':' ' ' |awk '{print $[]2}'`
1633    echo "${n}:${m}" >> "${f}"
1634    dnl Remove name from public_syms so that it isn't redefined later.
1635    public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${n}\$" |tr '\n' ' '`
1636  done
1637  for sym in ${public_syms} ; do
1638    n="${sym}"
1639    m="${JEMALLOC_PREFIX}${sym}"
1640    echo "${n}:${m}" >> "${f}"
1641  done
1642], [
1643  srcdir="${srcdir}"
1644  objroot="${objroot}"
1645  mangling_map="${mangling_map}"
1646  public_syms="${public_syms}"
1647  JEMALLOC_PREFIX="${JEMALLOC_PREFIX}"
1648])
1649AC_CONFIG_COMMANDS([include/jemalloc/internal/public_namespace.h], [
1650  mkdir -p "${objroot}include/jemalloc/internal"
1651  "${srcdir}/include/jemalloc/internal/public_namespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_namespace.h"
1652], [
1653  srcdir="${srcdir}"
1654  objroot="${objroot}"
1655])
1656AC_CONFIG_COMMANDS([include/jemalloc/internal/public_unnamespace.h], [
1657  mkdir -p "${objroot}include/jemalloc/internal"
1658  "${srcdir}/include/jemalloc/internal/public_unnamespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_unnamespace.h"
1659], [
1660  srcdir="${srcdir}"
1661  objroot="${objroot}"
1662])
1663AC_CONFIG_COMMANDS([include/jemalloc/internal/size_classes.h], [
1664  mkdir -p "${objroot}include/jemalloc/internal"
1665  "${SHELL}" "${srcdir}/include/jemalloc/internal/size_classes.sh" "${LG_QUANTA}" ${LG_TINY_MIN} "${LG_PAGE_SIZES}" ${LG_SIZE_CLASS_GROUP} > "${objroot}include/jemalloc/internal/size_classes.h"
1666], [
1667  SHELL="${SHELL}"
1668  srcdir="${srcdir}"
1669  objroot="${objroot}"
1670  LG_QUANTA="${LG_QUANTA}"
1671  LG_TINY_MIN=${LG_TINY_MIN}
1672  LG_PAGE_SIZES="${LG_PAGE_SIZES}"
1673  LG_SIZE_CLASS_GROUP=${LG_SIZE_CLASS_GROUP}
1674])
1675AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_protos_jet.h], [
1676  mkdir -p "${objroot}include/jemalloc"
1677  cat "${srcdir}/include/jemalloc/jemalloc_protos.h.in" | sed -e 's/@je_@/jet_/g' > "${objroot}include/jemalloc/jemalloc_protos_jet.h"
1678], [
1679  srcdir="${srcdir}"
1680  objroot="${objroot}"
1681])
1682AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_rename.h], [
1683  mkdir -p "${objroot}include/jemalloc"
1684  "${srcdir}/include/jemalloc/jemalloc_rename.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/jemalloc_rename.h"
1685], [
1686  srcdir="${srcdir}"
1687  objroot="${objroot}"
1688])
1689AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle.h], [
1690  mkdir -p "${objroot}include/jemalloc"
1691  "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" je_ > "${objroot}include/jemalloc/jemalloc_mangle.h"
1692], [
1693  srcdir="${srcdir}"
1694  objroot="${objroot}"
1695])
1696AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle_jet.h], [
1697  mkdir -p "${objroot}include/jemalloc"
1698  "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" jet_ > "${objroot}include/jemalloc/jemalloc_mangle_jet.h"
1699], [
1700  srcdir="${srcdir}"
1701  objroot="${objroot}"
1702])
1703AC_CONFIG_COMMANDS([include/jemalloc/jemalloc.h], [
1704  mkdir -p "${objroot}include/jemalloc"
1705  "${srcdir}/include/jemalloc/jemalloc.sh" "${objroot}" > "${objroot}include/jemalloc/jemalloc${install_suffix}.h"
1706], [
1707  srcdir="${srcdir}"
1708  objroot="${objroot}"
1709  install_suffix="${install_suffix}"
1710])
1711
1712dnl Process .in files.
1713AC_SUBST([cfghdrs_in])
1714AC_SUBST([cfghdrs_out])
1715AC_CONFIG_HEADERS([$cfghdrs_tup])
1716
1717dnl ============================================================================
1718dnl Generate outputs.
1719
1720AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc-config bin/jemalloc.sh bin/jeprof])
1721AC_SUBST([cfgoutputs_in])
1722AC_SUBST([cfgoutputs_out])
1723AC_OUTPUT
1724
1725dnl ============================================================================
1726dnl Print out the results of configuration.
1727AC_MSG_RESULT([===============================================================================])
1728AC_MSG_RESULT([jemalloc version   : ${jemalloc_version}])
1729AC_MSG_RESULT([library revision   : ${rev}])
1730AC_MSG_RESULT([])
1731AC_MSG_RESULT([CONFIG             : ${CONFIG}])
1732AC_MSG_RESULT([CC                 : ${CC}])
1733AC_MSG_RESULT([CFLAGS             : ${CFLAGS}])
1734AC_MSG_RESULT([CPPFLAGS           : ${CPPFLAGS}])
1735AC_MSG_RESULT([LDFLAGS            : ${LDFLAGS}])
1736AC_MSG_RESULT([EXTRA_LDFLAGS      : ${EXTRA_LDFLAGS}])
1737AC_MSG_RESULT([LIBS               : ${LIBS}])
1738AC_MSG_RESULT([TESTLIBS           : ${TESTLIBS}])
1739AC_MSG_RESULT([RPATH_EXTRA        : ${RPATH_EXTRA}])
1740AC_MSG_RESULT([])
1741AC_MSG_RESULT([XSLTPROC           : ${XSLTPROC}])
1742AC_MSG_RESULT([XSLROOT            : ${XSLROOT}])
1743AC_MSG_RESULT([])
1744AC_MSG_RESULT([PREFIX             : ${PREFIX}])
1745AC_MSG_RESULT([BINDIR             : ${BINDIR}])
1746AC_MSG_RESULT([DATADIR            : ${DATADIR}])
1747AC_MSG_RESULT([INCLUDEDIR         : ${INCLUDEDIR}])
1748AC_MSG_RESULT([LIBDIR             : ${LIBDIR}])
1749AC_MSG_RESULT([MANDIR             : ${MANDIR}])
1750AC_MSG_RESULT([])
1751AC_MSG_RESULT([srcroot            : ${srcroot}])
1752AC_MSG_RESULT([abs_srcroot        : ${abs_srcroot}])
1753AC_MSG_RESULT([objroot            : ${objroot}])
1754AC_MSG_RESULT([abs_objroot        : ${abs_objroot}])
1755AC_MSG_RESULT([])
1756AC_MSG_RESULT([JEMALLOC_PREFIX    : ${JEMALLOC_PREFIX}])
1757AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE])
1758AC_MSG_RESULT([                   : ${JEMALLOC_PRIVATE_NAMESPACE}])
1759AC_MSG_RESULT([install_suffix     : ${install_suffix}])
1760AC_MSG_RESULT([malloc_conf        : ${config_malloc_conf}])
1761AC_MSG_RESULT([autogen            : ${enable_autogen}])
1762AC_MSG_RESULT([cc-silence         : ${enable_cc_silence}])
1763AC_MSG_RESULT([debug              : ${enable_debug}])
1764AC_MSG_RESULT([code-coverage      : ${enable_code_coverage}])
1765AC_MSG_RESULT([stats              : ${enable_stats}])
1766AC_MSG_RESULT([prof               : ${enable_prof}])
1767AC_MSG_RESULT([prof-libunwind     : ${enable_prof_libunwind}])
1768AC_MSG_RESULT([prof-libgcc        : ${enable_prof_libgcc}])
1769AC_MSG_RESULT([prof-gcc           : ${enable_prof_gcc}])
1770AC_MSG_RESULT([tcache             : ${enable_tcache}])
1771AC_MSG_RESULT([fill               : ${enable_fill}])
1772AC_MSG_RESULT([utrace             : ${enable_utrace}])
1773AC_MSG_RESULT([valgrind           : ${enable_valgrind}])
1774AC_MSG_RESULT([xmalloc            : ${enable_xmalloc}])
1775AC_MSG_RESULT([munmap             : ${enable_munmap}])
1776AC_MSG_RESULT([lazy_lock          : ${enable_lazy_lock}])
1777AC_MSG_RESULT([tls                : ${enable_tls}])
1778AC_MSG_RESULT([cache-oblivious    : ${enable_cache_oblivious}])
1779AC_MSG_RESULT([===============================================================================])
1780