40 lines
1.1 KiB
Diff
40 lines
1.1 KiB
Diff
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From ea9344182b7559b12aa523548bb6d37d0e009028
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From: Yann Ylavic <ylavic@apache.org>
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Date: Wed, 24 Mar 2021 15:02:52 +0000
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Subject: [PATCH] Follow up to r1887279: fix new APR_TRY_COMPILE_NO_WARNING.
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AC_LANG_PROGRAM generates an "int main()" prototype which some compilers warn
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about. Restore AC_LANG_SOURCE to manually set the correct main() but do not
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#include "confdefs.h" if it is inlined already by AC_LANG_SOURCE (i.e.
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check whether PACKAGE_NAME is already defined).
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Github: closes #25
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git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1888017 13f79535-47bb-0310-9956-ffa450edef68
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---
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build/apr_common.m4 | 11 +++++++++--
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1 file changed, 9 insertions(+), 2 deletions(-)
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--- a/build/apr_common.m4
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+++ b/build/apr_common.m4
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@@ -467,9 +467,16 @@ AC_DEFUN([APR_TRY_COMPILE_NO_WARNING],
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CFLAGS="$CFLAGS -Werror"
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fi
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AC_COMPILE_IFELSE(
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- [AC_LANG_PROGRAM(
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- [[$1]],
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+ [AC_LANG_SOURCE(
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+ [
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+#ifndef PACKAGE_NAME
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+#include "confdefs.h"
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+#endif
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+ ]
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+ [[$1]]
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+ [int main(int argc, const char *const *argv) {]
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[[$2]]
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+ [ return 0; }]
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)], [CFLAGS=$apr_save_CFLAGS
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$3], [CFLAGS=$apr_save_CFLAGS
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$4])
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