994a47649b
Depending on the configuration, the cpp output may contain the string 'yes'
in a comment if built under a path containing 'yes', confusing the _AIX
test:
${CROSS}-cpp conftest.h
\# 1 "conftest.h"
\# 1 "<built-in>"
\# 1 "<command-line>"
\# 31 "<command-line>"
\# 1 "/home/peko/source/buildroot/output-yes/host/x86_64-buildroot-linux-gnu/sysroot/usr/include/stdc-predef.h"
\# 32 "<command-line>" 2
\# 1 "conftest.txt"
If misdetected, the configure script adds -lc128 to LIBS, causing the
AC_CHECKS_FUNCS check for stat64 to fail, which in turn causes compilation
errors about redefinition of symbols:
In file included from ./src/include/pv-internal.h:9:0,
from src/pv/file.c:5:
./src/include/config.h:76:18: error: redefinition of 'struct stat'
# define stat64 stat
^
Fix it by only matching on 'yes' on a line by itself.
As pv doesn't cleanly autoreconf (it doesn't use automake and configure.in
is located in subdir), instead directly patch configure.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
58 lines
1.5 KiB
Diff
58 lines
1.5 KiB
Diff
From cd7605723eb8e6d8231644f1cf62f1e80badf074 Mon Sep 17 00:00:00 2001
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From: Peter Korsgaard <peter@korsgaard.com>
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Date: Mon, 20 Aug 2018 15:57:22 +0200
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Subject: [PATCH] configure.in: tighten AIX test
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Depending on the configuration, the cpp output may contain the string 'yes'
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in a comment if built under a path containing 'yes', confusing the _AIX
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test:
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${CROSS}-cpp conftest.h
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\# 1 "conftest.h"
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\# 1 "<built-in>"
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\# 1 "<command-line>"
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\# 31 "<command-line>"
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\# 1 "/home/peko/source/buildroot/output-yes/host/x86_64-buildroot-linux-gnu/sysroot/usr/include/stdc-predef.h" 1 3 4
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\# 32 "<command-line>" 2
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\# 1 "conftest.txt"
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Fix it by only matching on 'yes' on a line by itself.
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Upstream-status: submitted to author
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Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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---
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autoconf/configure.in | 2 +-
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configure | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/autoconf/configure.in b/autoconf/configure.in
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index bd45004..487c42b 100644
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--- a/autoconf/configure.in
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+++ b/autoconf/configure.in
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@@ -86,7 +86,7 @@ AC_PROG_MAKE_SET
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dnl AIX needs -lc128
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dnl
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-AC_EGREP_CPP([yes], [#ifdef _AIX
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+AC_EGREP_CPP([^yes$], [#ifdef _AIX
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yes
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#endif
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], [LIBS="$LIBS -lc128"])
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diff --git a/configure b/configure
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index 7c11be0..59267b9 100755
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--- a/configure
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+++ b/configure
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@@ -3377,7 +3377,7 @@ yes
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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- $EGREP "yes" >/dev/null 2>&1; then
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+ $EGREP "^yes$" >/dev/null 2>&1; then
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LIBS="$LIBS -lc128"
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fi
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rm -f conftest*
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--
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2.11.0
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