X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b799df7cc12d5618c96b0b1cb53c348bc810c0a6..dc3c586764381b57c94e902ffc91b4234ddc7599:/configure.ac diff --git a/configure.ac b/configure.ac index fccc942d2c..52a9d5aa0b 100644 --- a/configure.ac +++ b/configure.ac @@ -66,16 +66,38 @@ AC_CHECK_FUNCS([gettimeofday usleep \ sysconf\ readv\ popen\ - signal\ - getline]) - + signal]) + +dnl GNU systems before POSIX2008 need the _GNU_SOURCE definition to find getline (and simgrid does pass this) +AC_MSG_CHECKING(a usable getline) +AC_LINK_IFELSE([ + #define _GNU_SOURCE + #include + int main(void){ + FILE * fp; + char * line = NULL; + size_t len = 0; + getline(&line, &len, fp); + } + ],[ + AC_MSG_RESULT(found) + ],[ + AC_SUBST(need_getline, ["#define SIMGRID_NEED_GETLINE 1 /* enable the getline replacement*/"]) + AC_DEFINE(SIMGRID_NEED_GETLINE, 1, enable the getline replacement) + AC_MSG_RESULT(not found (activating internal implementation)) + ]) + # check for a working snprintf (or use xbt/snprintf.c, which comes from http://www.ijs.si/software/snprintf/) AC_FUNC_SNPRINTF -# check for a working asprintf (or activate our replacement) -AC_FUNC_ASPRINTF # check for asprintf function familly (or request the replacements from xbt/snprintf.c) -dnl A C_CHECK_FUNC( asprintf, :, AC_DEFINE(NEED_ASPRINTF, 1, enable the asprintf replacement)) -dnl A C_CHECK_FUNC( vasprintf, :, AC_DEFINE(NEED_VASPRINTF, 1, enable the vasprintf replacement)) +AC_CHECK_FUNC( asprintf, :,[ + AC_DEFINE(NEED_ASPRINTF, 1, enable the asprintf replacement) + AC_SUBST(need_asprintf, ["#define SIMGRID_NEED_ASPRINTF 1 /* enable the asprintf replacement */"]) + ]) +AC_CHECK_FUNC( vasprintf, :,[ + AC_DEFINE(NEED_VASPRINTF, 1, enable the vasprintf replacement) + AC_SUBST(need_vasprintf, ["#define SIMGRID_NEED_VASPRINTF 1 /*enable the vasprintf replacement */"]) + ]) # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST @@ -346,17 +368,10 @@ SG_COMPILE_FLAGS ## ## Support for the supernovae compilation mode ## -if test x$USE_MAINTAINER_MODE = xyes -then - not_maintainer_mode=no -else - not_maintainer_mode=yes -fi - AC_ARG_ENABLE(supernovae, AS_HELP_STRING([--enable-supernovae],[Put the whole library in one compilation unit only to help gcc optimizing the code]), [supernovae=$enableval], - [supernovae=$not_maintainer_mode]) + [supernovae=no]) AM_CONDITIONAL(SUPERNOVAE_MODE, test x$supernovae != xno) AC_SUBST([CFLAGS]) @@ -490,6 +505,7 @@ SG_CONFIGURE_PART(Generating files...) AC_CONFIG_FILES([ Makefile include/Makefile + include/simgrid_config.h src/Makefile src/context_sysv_config.h ])