From c034f8250dc36051ab609bfcb1a149326c5ffe24 Mon Sep 17 00:00:00 2001 From: Peter Verthez Date: Sat, 28 Sep 2002 18:01:21 +0000 Subject: [PATCH] Local macro's for configure.in. --- acinclude.m4 | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 acinclude.m4 diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 0000000..a4799c9 --- /dev/null +++ b/acinclude.m4 @@ -0,0 +1,111 @@ +dnl From iconv.m4: +#serial AM2 + +dnl From Bruno Haible. + +AC_DEFUN([AM_ICONV], +[ + dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and + dnl those with the standalone portable GNU libiconv installed). + + AC_ARG_WITH([libiconv-prefix], +[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [ + for dir in `echo "$withval" | tr : ' '`; do + if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi + if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi + done + ]) + + AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ + am_cv_func_iconv="no, consider installing GNU libiconv" + am_cv_lib_iconv=no + AC_TRY_LINK([#include +#include ], + [iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);], + am_cv_func_iconv=yes) + if test "$am_cv_func_iconv" != yes; then + am_save_LIBS="$LIBS" + LIBS="$LIBS -liconv" + AC_TRY_LINK([#include +#include ], + [iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);], + am_cv_lib_iconv=yes + am_cv_func_iconv=yes) + LIBS="$am_save_LIBS" + fi + ]) + if test "$am_cv_func_iconv" = yes; then + AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) + AC_MSG_CHECKING([for iconv declaration]) + AC_CACHE_VAL(am_cv_proto_iconv, [ + AC_TRY_COMPILE([ +#include +#include +extern +#ifdef __cplusplus +"C" +#endif +#if defined(__STDC__) || defined(__cplusplus) +size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); +#else +size_t iconv(); +#endif +], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") + am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) + am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` + AC_MSG_RESULT([$]{ac_t:- + }[$]am_cv_proto_iconv) + AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, + [Define as const if the declaration of iconv() needs const.]) + fi + LIBICONV= + if test "$am_cv_lib_iconv" = yes; then + LIBICONV="-liconv" + fi + AC_SUBST(LIBICONV) +]) + +dnl Own functions +dnl AC_GLIBC_ICONV() +dnl Checks whether iconv is coming from glibc, defines USE_GLIBC_ICONV if so +dnl The variable $is_glibc_iconv contains yes or no +AC_DEFUN(AC_GLIBC_ICONV, [ + AC_CACHE_CHECK(for the GNU C Library iconv implementation, is_glibc_iconv, [ + AC_EGREP_CPP(yes, + [ +#include +#ifdef __GLIBC__ +yes +#endif + ], is_glibc_iconv=yes, is_glibc_iconv=no) + ]) + if test "$is_glibc_iconv" = yes; then + AC_DEFINE(USE_GLIBC_ICONV,1, + [Define if the GNU implementation of iconv in glibc is used]) + fi +]) + +dnl AC_LIBICONV_HAS_ANSEL() +dnl Checks whether libiconv has ANSEL support +dnl The variable $is_ansel_supported contains yes or no +AC_DEFUN(AC_LIBICONV_HAS_ANSEL, [ + AC_CACHE_CHECK(for ANSEL support in libiconv, is_ansel_supported, [ + my_save_LIBS="$LIBS" + LIBS="$LIBS $LIBICONV" + AC_TRY_RUN([ +#include +int main() { + iconv_t cd = iconv_open("UTF-8","ANSEL"); + return (cd == (iconv_t)-1); +} + ], + is_ansel_supported=yes, + is_ansel_supported=no, + is_ansel_supported=no) + LIBS="$my_save_LIBS" + ]) +]) -- 2.30.2