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Diffstat (limited to 'Build/source/libs/zziplib/zziplib-0.13.58/m4/ax_configure_args.m4')
-rw-r--r-- | Build/source/libs/zziplib/zziplib-0.13.58/m4/ax_configure_args.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Build/source/libs/zziplib/zziplib-0.13.58/m4/ax_configure_args.m4 b/Build/source/libs/zziplib/zziplib-0.13.58/m4/ax_configure_args.m4 new file mode 100644 index 00000000000..597b6b079f4 --- /dev/null +++ b/Build/source/libs/zziplib/zziplib-0.13.58/m4/ax_configure_args.m4 @@ -0,0 +1,36 @@ +dnl /usr/share/aclocal/guidod-cvs/ax_configure_args.m4 +dnl @synopsis AX_CONFIGURE_ARGS +dnl +dnl Helper macro for AX_ENABLE_BUILDDIR and AX_ENABLE_BUILDDIR_UNAME +dnl +dnl The traditional way of starting a subdir-configure is running the +dnl script with ${1+"$@"} but since autoconf 2.60 this is broken. +dnl Instead we have to rely on eval'ing $ac_configure_args however +dnl some old autoconf versions do not provide that. To ensure maximum +dnl portability of autoconf extension macros this helper can be +dnl AC_REQUIRE'd so that $ac_configure_args will alsways be present. +dnl +dnl Sadly, the traditional "exec $SHELL" of the enable_builddir macros +dnl is spoiled now and must be replaced by eval + exit $? +dnl +dnl example: +dnl AC_DEFUN([AX_ENABLE_SUBDIR],[dnl +dnl AC_REQUIRE([AX_CONFIGURE_ARGS])dnl +dnl eval $SHELL $ac_configure_args || exit $? +dnl ...]) +dnl +dnl @category Misc +dnl @author Guido Draheim +dnl @version 2007-02-01 +dnl @license GPLWithACException + +AC_DEFUN([AX_CONFIGURE_ARGS],[ + # [$]@ is unsable in 2.60+ but earlier autoconf had no ac_configure_args + if test "${ac_configure_args+set}" != "set" ; then + ac_configure_args= + for ac_arg in ${1+"[$]@"}; do + ac_configure_args="$ac_configure_args '$ac_arg'" + done + fi +]) + |