dnl define([AC_INIT_NOTICE], [### Generated automatically using autoconf version] AC_ACVERSION [ ### Copyright 2009-2023 Steve Grubb ### ### Permission is hereby granted, free of charge, to any person obtaining a ### copy of this software and associated documentation files (the "Software"), ### to deal in the Software without restriction, including without limitation ### the rights to use, copy, modify, merge, publish, distribute, sublicense, ### and/or sell copies of the Software, and to permit persons to whom the ### Software is furnished to do so, subject to the following conditions: ### ### The above copyright notice and this permission notice shall be included ### in all copies or substantial portions of the Software. ### ### THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ### IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ### FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ### THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR ### OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ### ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR ### OTHER DEALINGS IN THE SOFTWARE. ### ### For usage, run `./configure --help' ### For more detailed information on installation, read the file `INSTALL'. ### ### If configuration succeeds, status is in the file `config.status'. ### A log of configuration tests is in `config.log'. ]) AC_REVISION($Revision: 1.3 $)dnl AC_INIT([libcap-ng],[0.8.5]) AC_PREREQ([2.50])dnl AC_CONFIG_HEADERS([config.h]) AC_CONFIG_MACRO_DIR([m4]) echo Configuring libcap-ng $VERSION AC_CANONICAL_TARGET AM_INIT_AUTOMAKE LT_INIT AC_SUBST(LIBTOOL_DEPS) echo . echo Checking for programs AC_PROG_CC AC_PROG_INSTALL AC_PROG_AWK echo . echo Checking for header files AC_CHECK_HEADERS(linux/capability.h, [], [AC_MSG_ERROR(linux/capability.h is required in order to build libcap-ng.)]) AC_CHECK_HEADERS(sys/xattr.h, [], [ AC_CHECK_HEADERS(attr/xattr.h, [], [AC_MSG_WARN(attr/xattr.h not found, disabling file system capabilities.)]) ]) AC_CHECK_HEADERS(linux/securebits.h, [], []) AC_CHECK_HEADERS(pthread.h, [AC_SEARCH_LIBS(pthread_atfork, pthread)], [AC_MSG_WARN(pthread.h not found, disabling pthread_atfork.)]) AC_CHECK_HEADERS(sys/vfs.h, [ AC_CHECK_HEADERS(linux/magic.h, [], [AC_MSG_WARN(linux/magic.h is required in order to verify procfs.)]) ], [AC_MSG_WARN(sys/vfs.h is required in order to verify procfs.)]) AC_ARG_WITH([capability_header], [AS_HELP_STRING([--with-capability_header=path : path to capability.h])], [CAPABILITY_HEADER=$withval], [CAPABILITY_HEADER=/usr/include/linux/capability.h]) AC_SUBST(CAPABILITY_HEADER) ALLWARNS="" ALLDEBUG="-g" OPT="-O" if test x"$GCC" = x"yes"; then OPT="-O2 -pipe" case "$target" in *linux*) ALLWARNS="-W -Wall -Wundef -Wpointer-arith -Wcast-align \ -Wwrite-strings -Waggregate-return -Wstrict-prototypes \ -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls \ -Wnested-externs -Winline -Wfloat-equal -Wchar-subscripts" ;; esac fi ALLDEBUG="-g" AC_ARG_WITH(debug, [ --with-debug turn on debugging [[default=no]]], [ if test "x${withval}" = xyes; then DEBUG="$ALLDEBUG" OPT="-O" AM_CONDITIONAL(DEBUG, true) else DEBUG="-DNDEBUG" AM_CONDITIONAL(DEBUG, false) fi ], [ DEBUG="-DNDEBUG"; AM_CONDITIONAL(DEBUG, false) ]) AC_MSG_CHECKING(__attr_dealloc_free support) AC_COMPILE_IFELSE( [AC_LANG_SOURCE( [[ #include extern char *test(const char *name) __attr_dealloc_free; int main(void) { return 0; }]])], [DEALLOC="yes"], [DEALLOC="no"] ) AC_MSG_RESULT($DEALLOC) AC_ARG_WITH(warn, [ --with-warn turn on warnings [[default=yes]]], [ if test "x${withval}" = xyes; then WARNS="$ALLWARNS" else WARNS="" fi ],WARNS="$ALLWARNS") AC_SUBST(DEBUG) WFLAGS="" AC_MSG_CHECKING(for -Wformat-truncation) TMPCFLAGS="${CFLAGS}" CFLAGS="${CFLAGS} -Wformat-truncation" AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[WFLAGS="-Wno-format-truncation" AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) CFLAGS="${TMPCFLAGS}" AC_SUBST(WFLAGS) AC_CHECK_HEADER(sys/syscall.h, [AC_DEFINE([HAVE_SYSCALL_H], [1], [Define to 1 if you have .])], [],) dnl; This is to record in the build logs what options are being taken AC_CHECK_DECLS([PR_CAP_AMBIENT], [], [], [[#include ]]) AC_CHECK_DECLS([VFS_CAP_REVISION_2], [], [], [[#include ]]) AC_CHECK_DECLS([VFS_CAP_REVISION_3], [], [], [[#include ]]) AC_CHECK_DECLS([CAP_EPOLLWAKEUP], [], [], [[#include ]]) AC_CHECK_DECLS([CAP_WAKE_ALARM], [], [], [[#include ]]) AC_CHECK_DECLS([CAP_BLOCK_SUSPEND], [], [], [[#include ]]) AC_CHECK_DECLS([CAP_AUDIT_READ], [], [], [[#include ]]) AC_CHECK_DECLS([CAP_PERFMON], [], [], [[#include ]]) AC_CHECK_DECLS([CAP_BPF], [], [], [[#include ]]) AC_CHECK_DECLS([CAP_CHECKPOINT_RESTORE], [], [], [[#include ]]) dnl only build libdrop_ambient if support for ambient capabilities was found (which is normal) if test x"${ac_cv_have_decl_PR_CAP_AMBIENT}" = x"no" ; then AC_MSG_WARN("PR_CAP_AMBIENT not available - libdrop_ambient will not be built") fi AM_CONDITIONAL(BUILD_LIBDROP_AMBIENT, test x"${ac_cv_have_decl_PR_CAP_AMBIENT}" = x"yes") AC_CHECK_PROG(swig_found, swig, yes, no) if test x"${swig_found}" = x"no" ; then AC_MSG_WARN("Swig not found - python bindings will not be made") fi AM_CONDITIONAL(HAVE_SWIG, test x"${swig_found}" = x"yes") withval="" AC_MSG_CHECKING(whether to create python3 bindings) AC_ARG_WITH(python3, AS_HELP_STRING([--with-python3],[enable building python3 bindings]), use_python3=$withval, use_python3=auto) if test x$use_python3 = xno ; then AC_MSG_RESULT(no) else AC_MSG_RESULT(investigating) AC_PATH_PROG([use_python3], [python3-config], [no]) if test ${use_python3} = no ; then if test ${withval} = yes ; then echo "Python3 bindings were selected but python3-config was not found." echo "Please ensure that it's installed or pass --without-python3 to ./configure" exit 1 fi echo "Python3 bindings will NOT be built" else echo "Python3 bindings WILL be built" use_python3=yes AM_PATH_PYTHON([3.1],, [:]) PYTHON3_CFLAGS=`python3-config --cflags 2> /dev/null` PYTHON3_LIBS=`python3-config --libs 2> /dev/null` PYTHON3_INCLUDES=`python3-config --includes 2> /dev/null` AC_SUBST(PYTHON3_CFLAGS) AC_SUBST(PYTHON3_LIBS) AC_SUBST(PYTHON3_INCLUDES) fi fi AM_CONDITIONAL(USE_PYTHON3, test ${use_python3} = "yes") AC_CONFIG_FILES([Makefile src/Makefile src/libcap-ng.pc src/test/Makefile bindings/Makefile bindings/python3/Makefile bindings/src/Makefile bindings/python3/test/Makefile utils/Makefile m4/Makefile docs/Makefile]) AC_OUTPUT echo . echo " libcap-ng Version: $VERSION Target: $target Installation prefix: $prefix PYTHON_PREFIX: $PYTHON_PREFIX Compiler: $CC Compiler flags: `echo $CFLAGS | fmt -w 50 | sed 's,^, ,'` __attr_dealloc_free support: $DEALLOC "