forked from enlightenment/efl
parent
da9ae913ae
commit
5c70219de3
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@ -25,6 +25,7 @@ SNAP=`echo $PACKAGE_VERSION | awk -F. '{printf("%s", $4);}'`
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version_info=`expr $VMAJ + $VMIN`":$VMIC:$VMIN"
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AC_SUBST(version_info)
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EFL_CHECK_PATH_MAX
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### Needed information
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@ -0,0 +1,33 @@
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dnl Check for PATH_MAX in limits.h, and define a default value if not found
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dnl This is a workaround for systems not providing PATH_MAX, like GNU/Hurd
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dnl EFL_CHECK_PATH_MAX([DEFAULT_VALUE_IF_NOT_FOUND])
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dnl
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dnl If PATH_MAX is not defined in <limits.h>, defines it
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dnl to DEFAULT_VALUE_IF_NOT_FOUND if it exists, or fallback
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dnl to using 4096
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AC_DEFUN([EFL_CHECK_PATH_MAX],
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[
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default_max=m4_default([$1], "4096")
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AC_LANG_PUSH([C])
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AC_MSG_CHECKING([for PATH_MAX in limit.h])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[#include <limits.h>]],
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[[int i = PATH_MAX]])
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],
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AC_MSG_RESULT([yes]),
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[
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AC_DEFINE_UNQUOTED([PATH_MAX],
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[${default_max}],
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[default value since PATH_MAX is not defined])
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AC_MSG_RESULT([no: using ${default_max}])
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]
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)
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AC_LANG_POP([C])
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])
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dnl end of efl_path_max.m4
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