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| author | Jérémy Zurcher <jeremy@asynk.ch> | 2013-12-06 15:05:31 +0100 |
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| committer | Jérémy Zurcher <jeremy@asynk.ch> | 2013-12-06 15:05:31 +0100 |
| commit | ca99540270f229485e64caed4aa949e129ddf1d8 (patch) | |
| tree | a7fd9f49078ceb25c6f4d01f0c8bb8505f78dd7c /m4/efl_path_max.m4 | |
| download | eina_graph-ca99540270f229485e64caed4aa949e129ddf1d8.zip eina_graph-ca99540270f229485e64caed4aa949e129ddf1d8.tar.gz | |
Initial commit
Diffstat (limited to 'm4/efl_path_max.m4')
| -rw-r--r-- | m4/efl_path_max.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/m4/efl_path_max.m4 b/m4/efl_path_max.m4 new file mode 100644 index 0000000..f57bfd2 --- /dev/null +++ b/m4/efl_path_max.m4 @@ -0,0 +1,36 @@ +dnl Check for PATH_MAX in limits.h, and define a default value if not found +dnl This is a workaround for systems not providing PATH_MAX, like GNU/Hurd + +dnl EFL_CHECK_PATH_MAX([DEFAULT_VALUE_IF_NOT_FOUND]) +dnl +dnl If PATH_MAX is not defined in <limits.h>, defines it +dnl to DEFAULT_VALUE_IF_NOT_FOUND if it exists, or fallback +dnl to using 4096 + +AC_DEFUN([EFL_CHECK_PATH_MAX], +[ + +default_max=m4_default([$1], "4096") +AC_LANG_PUSH([C]) + +AC_MSG_CHECKING([for PATH_MAX in limits.h]) +AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include <limits.h> + ]], + [[ +int i = PATH_MAX; + ]])], + [AC_MSG_RESULT([yes])], + [ + AC_DEFINE_UNQUOTED([PATH_MAX], + [${default_max}], + [default value since PATH_MAX is not defined]) + AC_MSG_RESULT([no: using ${default_max}]) + ]) + +AC_LANG_POP([C]) + +]) +dnl end of efl_path_max.m4 |