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| author | Ralf Wildenhues <Ralf.Wildenhues@gmx.de> | 2009-07-30 19:43:16 +0000 |
|---|---|---|
| committer | Ralf Wildenhues <Ralf.Wildenhues@gmx.de> | 2009-07-30 19:43:16 +0000 |
| commit | 2ef2cd7a852c69f63c777929d6f56f9df59d2ac8 (patch) | |
| tree | 332c3abf47d91374d8d308870e85fcdf659b39f2 /config/override.m4 | |
| parent | 900f20710fb10a9d02248f1a2d442c324d1fa659 (diff) | |
| download | cygnal-2ef2cd7a852c69f63c777929d6f56f9df59d2ac8.tar.gz cygnal-2ef2cd7a852c69f63c777929d6f56f9df59d2ac8.tar.bz2 cygnal-2ef2cd7a852c69f63c777929d6f56f9df59d2ac8.zip | |
config/
* extensions.m4 (AC_USE_SYSTEM_EXTENSIONS): Do not expand
for Autoconf 2.62 or newer.
* tls.m4 (GCC_CHECK_TLS): Fix m4 quotation.
* no-executables.m4 (_AC_COMPILER_EXEEXT): Fix m4 quotation.
* override.m4 (m4_copy_force, m4_rename_force): Provide
macros if not defined.
(AC_PREREQ): Use m4_copy_force.
readline/examples/rlfe/
* configure.in: Correctly quote AC_PROGRAM_SOURCE definition.
Diffstat (limited to 'config/override.m4')
| -rw-r--r-- | config/override.m4 | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/config/override.m4 b/config/override.m4 index 9bb149620..bf112db99 100644 --- a/config/override.m4 +++ b/config/override.m4 @@ -12,6 +12,16 @@ dnl dnl The _GCC_AUTOCONF_VERSION_TEST ensures that exactly the desired dnl Autoconf version is used. It should be kept for consistency. +dnl Provide m4_copy_force and m4_rename_force for old Autoconf versions. + +m4_ifndef([m4_copy_force], +[m4_define([m4_copy_force], +[m4_ifdef([$2], [m4_undefine([$2])])m4_copy($@)])]) + +m4_ifndef([m4_rename_force], +[m4_define([m4_rename_force], +[m4_ifdef([$2], [m4_undefine([$2])])m4_rename($@)])]) + dnl m4_PACKAGE_VERSION is an undocumented Autoconf macro. dnl We use it because this fix is intended for 2.59 only. dnl A feature test for the broken AC_CONFIG_SUBDIRS instead @@ -25,7 +35,7 @@ ifdef([m4_PACKAGE_VERSION], [dnl AC_DEFUN a commonly used macro so this file is picked up. m4_copy([AC_PREREQ], [_AC_PREREQ]) AC_DEFUN([AC_PREREQ], [frob]) -m4_copy([_AC_PREREQ], [AC_PREREQ]) +m4_copy_force([_AC_PREREQ], [AC_PREREQ]) dnl Ensure exactly this Autoconf version is used |