summaryrefslogtreecommitdiffstats
path: root/m4/efl_path_max.m4
diff options
context:
space:
mode:
authorOlliver Schinagl <oliver@schinagl.nl>2015-01-24 13:53:43 (GMT)
committerOlliver Schinagl <oliver@schinagl.nl>2015-01-24 14:18:21 (GMT)
commit08cfb908c22c0c7b5aeb788569950718939b7465 (patch)
tree6602640dc6b8dafaa3605d9cc3e955e66581d1e9 /m4/efl_path_max.m4
parente13c3bc4aeba38f4f70754d8e73985eafb23a290 (diff)
downloadeulogium-08cfb908c22c0c7b5aeb788569950718939b7465.zip
eulogium-08cfb908c22c0c7b5aeb788569950718939b7465.tar.gz
eulogium-08cfb908c22c0c7b5aeb788569950718939b7465.tar.bz2
EFL empty project
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Diffstat (limited to 'm4/efl_path_max.m4')
-rw-r--r--m4/efl_path_max.m436
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