1dnl 2dnl GP_CONFIG_INIT 3dnl use default LHS width (called implicitly if not called explicitly) 4dnl GP_CONFIG_INIT([WIDTH-OF-LHS]) 5dnl explicitly set the LHS width to the given value 6dnl 7dnl GP_CONFIG_MSG 8dnl empty output line 9dnl GP_CONFIG_MSG([LHS],[RHS]) 10dnl formatted output line "LHS: RHS" 11dnl 12dnl GP_CONFIG_OUTPUT 13dnl print all the output messages we collected in the mean time 14dnl 15dnl Simple way to print a configuration summary at the end of ./configure. 16dnl 17dnl Example usage: 18dnl 19dnl GP_CONFIG_INIT 20dnl GP_CONFIG_MSG([Source code location],[${srcdir}]) 21dnl GP_CONFIG_MSG([Compiler],[${CC}]) 22dnl GP_CONFIG_MSG 23dnl GP_CONFIG_MSG([Feature foo],[${foo}]) 24dnl GP_CONFIG_MSG([Location of bar],[${bar}]) 25dnl [...] 26dnl AC_OUTPUT 27dnl GP_CONFIG_OUTPUT 28dnl 29dnl 30AC_DEFUN([GP_CONFIG_INIT], 31[dnl 32AC_REQUIRE([GP_CHECK_SHELL_ENVIRONMENT]) 33dnl the empty string must contain at least as many spaces as the substr length 34dnl FIXME: let m4 determine that length 35dnl (collect left parts in array and choose largest length) 36m4_if([$1],[],[gp_config_len="30"],[gp_config_len="$1"]) 37gp_config_empty="" 38gp_config_len3="$(expr "$gp_config_len" - 3)" 39n="$gp_config_len" 40while test "$n" -gt 0; do 41 gp_config_empty="${gp_config_empty} " 42 n="$(expr "$n" - 1)" 43done 44gp_config_msg=" 45Configuration (${PACKAGE_TARNAME} ${PACKAGE_VERSION}): 46" 47])dnl 48dnl 49dnl 50AC_DEFUN([GP_CONFIG_MSG], 51[AC_REQUIRE([GP_CONFIG_INIT])dnl 52m4_if([$1],[],[ 53gp_config_msg="${gp_config_msg} 54" 55],[$2],[],[ 56gp_config_msg="${gp_config_msg} 57 [$1] 58" 59],[ 60gp_config_msg_len="$(expr "[$1]" : '.*')" 61if test "$gp_config_msg_len" -ge "$gp_config_len"; then 62 gp_config_msg_lhs="$(expr "[$1]" : "\(.\{0,${gp_config_len3}\}\)")..:" 63else 64 gp_config_msg_lhs="$(expr "[$1]:${gp_config_empty}" : "\(.\{0,${gp_config_len}\}\)")" 65fi 66gp_config_msg="${gp_config_msg} ${gp_config_msg_lhs} [$2] 67" 68])])dnl 69dnl 70AC_DEFUN([GP_CONFIG_MSG_SUBDIRS],[dnl 71# Message about configured subprojects 72if test "x$subdirs" != "x"; then 73 GP_CONFIG_MSG()dnl 74 _subdirs="" 75 for sd in $subdirs; do 76 ssd="$(basename "$sd")" 77 if test "x$_subdirs" = "x"; then 78 _subdirs="$ssd"; 79 else 80 _subdirs="$_subdirs $ssd" 81 fi 82 done 83 GP_CONFIG_MSG([Subprojects],[${_subdirs}])dnl 84fi 85])dnl 86dnl 87AC_DEFUN([GP_CONFIG_OUTPUT], 88[AC_REQUIRE([GP_CONFIG_INIT])dnl 89AC_REQUIRE([GP_CONFIG_MSG])dnl 90AC_REQUIRE([GP_CONFIG_MSG_SUBDIRS])dnl 91echo "${gp_config_msg} 92You may run \"make\" and \"make install\" now." 93])dnl 94dnl 95dnl Please do not remove this: 96dnl filetype: de774af3-dc3b-4b1d-b6f2-4aca35d3da16 97dnl I use this to find all the different instances of this file which 98dnl are supposed to be synchronized. 99dnl 100dnl Local Variables: 101dnl mode: autoconf 102dnl End: 103