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authorYang Tse <yangsita@gmail.com>2013-01-25 16:34:13 +0100
committerYang Tse <yangsita@gmail.com>2013-01-25 19:18:14 +0100
commit593f2428034a4b4f3125a82d01b341b68d8ecce4 (patch)
tree1ffa4f8ccb548ae62255e729698fe0505a3a340d /m4/zz40-xc-ovr.m4
parenta76ea8b79aee7e934761149512d166fa52b53ae7 (diff)
downloadcurl-593f2428034a4b4f3125a82d01b341b68d8ecce4.tar.gz
zz40-xc-ovr.m4: truly do version conditional overriding
- version conditional overriding - catch unexpanded XC macros - fix double words in comments
Diffstat (limited to 'm4/zz40-xc-ovr.m4')
-rw-r--r--m4/zz40-xc-ovr.m417
1 files changed, 15 insertions, 2 deletions
diff --git a/m4/zz40-xc-ovr.m4 b/m4/zz40-xc-ovr.m4
index e4c46415a..567a10fa7 100644
--- a/m4/zz40-xc-ovr.m4
+++ b/m4/zz40-xc-ovr.m4
@@ -249,7 +249,7 @@ dnl the user has already set it with a non-empty value.
dnl
dnl This path separator is the symbol used to separate
dnl or diferentiate paths inside the 'PATH' environment
-dnl environment variable.
+dnl variable.
dnl
dnl Non-empty user provided 'PATH_SEPARATOR' always
dnl overrides the auto-detected one.
@@ -355,7 +355,7 @@ dnl XC_CONFIGURE_PREAMBLE
dnl -------------------------------------------------
dnl Public macro.
dnl
-dnl This macro macro emits shell code which does some
+dnl This macro emits shell code which does some
dnl very basic checks related with the availability
dnl of some commands and utilities needed to allow
dnl configure script bootstrapping itself when using
@@ -408,32 +408,44 @@ dnl
dnl Override when using autoconf 2.53 and newer.
dnl
+m4_ifdef([_AS_PATH_SEPARATOR_PREPARE],
+[dnl
+m4_undefine([_AS_PATH_SEPARATOR_PREPARE])dnl
m4_defun([_AS_PATH_SEPARATOR_PREPARE],
[dnl
AC_REQUIRE([XC_CONFIGURE_PREAMBLE])dnl
m4_define([$0],[])dnl
+])dnl
])
dnl
dnl Override when using autoconf 2.50 to 2.52
dnl
+m4_ifdef([_AC_INIT_PREPARE_FS_SEPARATORS],
+[dnl
+m4_undefine([_AC_INIT_PREPARE_FS_SEPARATORS])dnl
m4_defun([_AC_INIT_PREPARE_FS_SEPARATORS],
[dnl
AC_REQUIRE([XC_CONFIGURE_PREAMBLE])dnl
ac_path_separator=$PATH_SEPARATOR
m4_define([$0],[])dnl
+])dnl
])
dnl
dnl Override when using libtool 1.4.2
dnl
+m4_ifdef([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],
+[dnl
+m4_undefine([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl
m4_defun([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],
[dnl
AC_REQUIRE([XC_CONFIGURE_PREAMBLE])dnl
lt_cv_sys_path_separator=$PATH_SEPARATOR
m4_define([$0],[])dnl
+])dnl
])
@@ -475,6 +487,7 @@ AC_BEFORE([$0],[AC_CONFIG_HEADERS])dnl
AC_BEFORE([$0],[AC_CONFIG_MACRO_DIR])dnl
AC_BEFORE([$0],[AC_CONFIG_MACRO_DIRS])dnl
dnl
+m4_pattern_forbid([^_*XC])dnl
m4_define([$0],[])dnl
])