On Sun, 05 Jul 2009 12:45 -0300, Gustavo Sverzut Barbieri wrote : > On Sun, Jul 5, 2009 at 9:22 AM, Albin Tonnerre<albin.tonne...@gmail.com> > wrote: > > Hi there, > > Here's a bug report that got submitted on the Debian BTS, with a patch > > allowing > > embryo to compile on debian/hurd (and more generally on systems were > > PATH_MAX is > > udefined). > > I could apply this patch, but I fear it's nothing compared to the > whole EFL where PATH_MAX is heavily used. I guess that a better option > is to define PATH_MAX = 4096/1024/something-user-specified in > config.h, which should be included in every source file anyway. With > that new .m4, we could just copy it to all efl projects and call the > macro from configure.ac and fix them in the same way.
Would the following patch do the trick?
--- /dev/null 2009-11-21 13:03:47.817351087 +0100
+++ m4/efl_path_max.m4 2009-11-21 16:43:28.000000000 +0100
@@ -0,0 +1,33 @@
+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
Regards,
--
Albin Tonnerre
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