diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/ChangeLog | 4 | ||||
| -rw-r--r-- | config/iconv.m4 | 47 |
2 files changed, 41 insertions, 10 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index 102fc47..6847cb9 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,7 @@ +2015-08-24 Yaakov Selkowitz <yselkowi@redhat.com> + + * iconv.m4 (AM_ICONV_LINK): Use in-tree libiconv when present. + 2015-07-27 H.J. Lu <hongjiu.lu@intel.com> Sync with GCC diff --git a/config/iconv.m4 b/config/iconv.m4 index c5f3579..5f9304a 100644 --- a/config/iconv.m4 +++ b/config/iconv.m4 @@ -7,6 +7,7 @@ dnl that contains a configuration script generated by Autoconf, under dnl the same distribution terms as the rest of that program. dnl From Bruno Haible. +dnl with modifications to support building with in-tree libiconv AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], [ @@ -28,24 +29,51 @@ AC_DEFUN([AM_ICONV_LINK], dnl accordingly. AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) - dnl Add $INCICONV to CPPFLAGS before performing the following checks, - dnl because if the user has installed libiconv and not disabled its use - dnl via --without-libiconv-prefix, he wants to use it. The first - dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed. - am_save_CPPFLAGS="$CPPFLAGS" - AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) - AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ am_cv_func_iconv="no, consider installing GNU libiconv" am_cv_lib_iconv=no + dnl Add $INCICONV to CPPFLAGS before performing the first check, + dnl because if the user has installed libiconv and not disabled its use + dnl via --without-libiconv-prefix, he wants to use it. This first + dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed. + am_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $INCICONV" AC_TRY_LINK([#include <stdlib.h> #include <iconv.h>], [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], am_cv_func_iconv=yes) + CPPFLAGS="$am_save_CPPFLAGS" + + if test "$am_cv_func_iconv" != yes && test -d ../libiconv; then + for _libs in .libs _libs; do + am_save_CPPFLAGS="$CPPFLAGS" + am_save_LIBS="$LIBS" + CPPFLAGS="$CPPFLAGS -I../libiconv/include" + LIBS="$LIBS ../libiconv/lib/$_libs/libiconv.a" + AC_TRY_LINK([#include <stdlib.h> +#include <iconv.h>], + [iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);], + INCICONV="-I../libiconv/include" + LIBICONV='${top_builddir}'/../libiconv/lib/$_libs/libiconv.a + LTLIBICONV='${top_builddir}'/../libiconv/lib/libiconv.la + am_cv_lib_iconv=yes + am_cv_func_iconv=yes) + CPPFLAGS="$am_save_CPPFLAGS" + LIBS="$am_save_LIBS" + if test "$am_cv_func_iconv" = "yes"; then + break + fi + done + fi + if test "$am_cv_func_iconv" != yes; then + am_save_CPPFLAGS="$CPPFLAGS" am_save_LIBS="$LIBS" + CPPFLAGS="$LIBS $INCICONV" LIBS="$LIBS $LIBICONV" AC_TRY_LINK([#include <stdlib.h> #include <iconv.h>], @@ -54,6 +82,7 @@ AC_DEFUN([AM_ICONV_LINK], iconv_close(cd);], am_cv_lib_iconv=yes am_cv_func_iconv=yes) + CPPFLAGS="$am_save_CPPFLAGS" LIBS="$am_save_LIBS" fi ]) @@ -61,12 +90,10 @@ AC_DEFUN([AM_ICONV_LINK], AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) fi if test "$am_cv_lib_iconv" = yes; then + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) AC_MSG_CHECKING([how to link with libiconv]) AC_MSG_RESULT([$LIBICONV]) else - dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV - dnl either. - CPPFLAGS="$am_save_CPPFLAGS" LIBICONV= LTLIBICONV= fi |