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authorLudovic Courtès <ludo@gnu.org>2011-06-19 16:30:56 +0200
committerLudovic Courtès <ludo@gnu.org>2011-06-19 16:30:56 +0200
commit10c29ebde574b5bc45df70f313835b0c2e1f3a35 (patch)
tree3e7c8b6e3c330d533a42c2712eaf636b08dd1514 /acinclude.m4
parentc245d16a5b18afdb68356f8343e6af7b3c32935b (diff)
configure: Factorize code checking for `iconveh_' constants; use the cache.
* configure.ac: Remove code that determines the values of the `iconveh_' constants. Use `GUILE_UNISTRING_ICONVEH_VALUES'. instead. * acinclude.m4 (GUILE_UNISTRING_CONSTANT, GUILE_UNISTRING_ICONVEH_VALUES): New macros.
Diffstat (limited to 'acinclude.m4')
-rw-r--r--acinclude.m430
1 files changed, 30 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index 5bd1cedab..4f9c0a161 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -499,6 +499,36 @@ AC_DEFUN([GUILE_LIBUNISTRING_WITH_ICONV_SUPPORT], [
])
])
+dnl GUILE_UNISTRING_CONSTANT NAME
+dnl
+dnl Determine the compile-time value of NAME and define/substitute
+dnl `SCM_I_GSC_NAME'.
+AC_DEFUN([GUILE_UNISTRING_CONSTANT], [
+ m4_pushdef([UPPER_CASE_NAME],
+ [m4_translit([$1],[abcdefghijklmnopqrstuvwxyz],
+ [ABCDEFGHIJKLMNOPQRSTUVWXYZ])])
+
+ AC_CACHE_CHECK([the value of `$1'], [ac_cv_]$1, [
+ AC_COMPUTE_INT([ac_cv_]$1, [$1],
+ [AC_INCLUDES_DEFAULT
+#include <uniconv.h>
+],
+ [AC_MSG_ERROR([failed to determine the value of `$1'])])
+ ])
+
+ [SCM_I_GSC_]UPPER_CASE_NAME="$ac_cv_[]$1"
+ AC_SUBST([SCM_I_GSC_]UPPER_CASE_NAME)
+ m4_popdef([UPPER_CASE_NAME])])
+
+dnl GUILE_UNISTRING_ICONVEH_VALUES
+dnl
+dnl Determine the values of the `iconveh_' libunistring constants.
+AC_DEFUN([GUILE_UNISTRING_ICONVEH_VALUES], [
+ GUILE_UNISTRING_CONSTANT([iconveh_error])
+ GUILE_UNISTRING_CONSTANT([iconveh_question_mark])
+ GUILE_UNISTRING_CONSTANT([iconveh_escape_sequence])
+])
+
dnl Declare file $1 to be a script that needs configuring,
dnl and arrange to make it executable in the process.
AC_DEFUN([GUILE_CONFIG_SCRIPT],[AC_CONFIG_FILES([$1],[chmod +x $1])])