1868145c55
Fix the following build failure raised since bump of autoconf to version
2.71 in commit ecd54b65c1:
configure: error: could not determine the string function for int64_t
Fixes:
- http://autobuild.buildroot.org/results/640bbe5b19d6e046cebd5208b37293e03714cd21
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
70 lines
2.2 KiB
Diff
70 lines
2.2 KiB
Diff
From a15958a37a06f71c42c690278f9c958b93b7ee20 Mon Sep 17 00:00:00 2001
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From: Yann Ylavic <ylavic@apache.org>
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Date: Thu, 11 Mar 2021 14:10:21 +0000
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Subject: [PATCH] Merge r1887279 from trunk:
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build/apr_common.m4: avoid explicit inclusion of "confdefs.h"
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The failure is observed on `autoconf-2.69d` (soon to be released
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as `autoconf-2.70`). There `int64_t` detection fails as:
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$ autoreconf && ./configure
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checking whether int64_t and int use fmt %d... no
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checking whether int64_t and long use fmt %ld... no
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checking whether int64_t and long long use fmt %lld... no
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configure: error: could not determine the string function for int64_t
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```
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This happens because `./configure` always stumbles on warning:
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configure:3350: gcc -c -g -O2 -Werror conftest.c >&5
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In file included from conftest.c:31:
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confdefs.h:22: error: "__STDC_WANT_IEC_60559_ATTRIBS_EXT__" redefined [-Werror]
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22 | #define __STDC_WANT_IEC_60559_ATTRIBS_EXT__ 1
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It's triggered by double inclusion of `"confdefs.h"` contents:
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explicitly in `APR_TRY_COMPILE_NO_WARNING` macro and implicitly
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via `AC_LANG_SOURCE` use.
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To fix it and avoid having to define `main()` declaration the change
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uses `AC_LANG_PROGRAM` instead.
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Tested on both `autoconf-2.69` and `autoconf-2.69d`.
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Github: closes #25
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Submitted by: Sergei Trofimovich <slyfox gentoo.org>
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Reviewed by: ylavic
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git-svn-id: https://svn.apache.org/repos/asf/apr/apr/branches/1.7.x@1887485 13f79535-47bb-0310-9956-ffa450edef68
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[Retrieved from:
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https://github.com/apache/apr/commit/0a763c5e500f4304b7c534fae0fad430d64982e8]
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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---
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build/apr_common.m4 | 8 ++------
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1 file changed, 2 insertions(+), 6 deletions(-)
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diff --git a/build/apr_common.m4 b/build/apr_common.m4
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index 297dd32cf75..b67a8608abe 100644
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--- a/build/apr_common.m4
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+++ b/build/apr_common.m4
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@@ -467,13 +467,9 @@ 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_SOURCE(
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- [#include "confdefs.h"
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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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+ [AC_LANG_PROGRAM(
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+ [[$1]],
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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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