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41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
Description: fix autotools input for compatibility with recent autoconf
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It is not possible to regenerate the blt configure script using current
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versions of autoconf. Update for recent syntax so that we can get a modern
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(and cross-build-friendly) configure script at build.
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Author: Helmut Grohne <helmut@subdivi.de>
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Bug-Debian: http://bugs.debian.org/772590
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--- a/aclocal.m4
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+++ b/aclocal.m4
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@@ -12,7 +12,7 @@
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cat > conftest.$ac_ext <<EOF
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[#]line __oline__ "configure"
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#include "confdefs.h"
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-ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
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+AC_LANG_CASE([C++], [#ifdef __cplusplus
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extern "C" void exit(int);
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#endif
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])dnl
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--- a/configure.in
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+++ b/configure.in
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@@ -127,9 +127,9 @@
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AC_CACHE_VAL(blt_cv_prog_cc, blt_cv_prog_cc=$CC)
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AC_SUBST(CC)
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AC_PROG_CPP
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-if test "x${GCC}" != "x" ; then
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+AS_IF([test "x${GCC}" != "x"],[
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blt_have_gcc="yes"
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-else
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+],[
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AC_MSG_CHECKING([if C compiler is really gcc])
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AC_EGREP_CPP(_cc_is_gcc_, [
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#ifdef __GNUC__
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@@ -137,7 +137,7 @@
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#endif
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], [blt_have_gcc=yes], [blt_have_gcc=no])
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AC_MSG_RESULT([$blt_have_gcc])
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-fi
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+])
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#
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# CFLAGS search order
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