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authortromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-23 16:33:47 +0000
committertromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-23 16:33:47 +0000
commitddba3f6268d09491fbc45ea417474d6b3f0407c5 (patch)
tree9cbf55c3da9f19be71ffd49e2127da8c09829396 /config/enable.m4
parent227bfd81a551156c272ad30f3e8745fd0abe1e7d (diff)
downloadgcc-ddba3f6268d09491fbc45ea417474d6b3f0407c5.tar.gz
config:
* enable.m4: New file. * tls.m4: New file. libmudflap: * aclocal.m4, configure: Rebuilt. * configure.ac: Use GCC_CHECK_TLS. * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved to ../config. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104571 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'config/enable.m4')
-rw-r--r--config/enable.m438
1 files changed, 38 insertions, 0 deletions
diff --git a/config/enable.m4 b/config/enable.m4
new file mode 100644
index 00000000000..88b29b8aa7f
--- /dev/null
+++ b/config/enable.m4
@@ -0,0 +1,38 @@
+dnl ----------------------------------------------------------------------
+dnl This whole bit snagged from libstdc++-v3.
+
+dnl
+dnl GCC_ENABLE
+dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING)
+dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, permit a|b|c)
+dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, SHELL-CODE-HANDLER)
+dnl
+dnl See docs/html/17_intro/configury.html#enable for documentation.
+dnl
+AC_DEFUN([GCC_ENABLE],[dnl
+m4_define([_g_switch],[--enable-$1])dnl
+m4_define([_g_help],[AC_HELP_STRING(_g_switch$3,[$4 @<:@default=$2@:>@])])dnl
+ AC_ARG_ENABLE($1,_g_help,
+ m4_bmatch([$5],
+ [^permit ],
+ [[
+ case "$enableval" in
+ m4_bpatsubst([$5],[permit ])) ;;
+ *) AC_MSG_ERROR(Unknown argument to enable/disable $1) ;;
+ dnl Idea for future: generate a URL pointing to
+ dnl "onlinedocs/configopts.html#whatever"
+ esac
+ ]],
+ [^$],
+ [[
+ case "$enableval" in
+ yes|no) ;;
+ *) AC_MSG_ERROR(Argument to enable/disable $1 must be yes or no) ;;
+ esac
+ ]],
+ [[$5]]),
+ [enable_]m4_bpatsubst([$1],-,_)[=][$2])
+m4_undefine([_g_switch])dnl
+m4_undefine([_g_help])dnl
+])
+