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b16d844beb
Newer compilers are strict and have turned some warnings into hard errors which results in subtle configure check failures. Therefore fix these tests and also enable largefile support via cflags when its desired (From OE-Core rev: 03b7a44e2ff4364cb85758f91d78efa0cf85682d) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Martin Jansa <martin.jansa@gmail.com> Signed-off-by: Steve Sakoman <steve@sakoman.com>
135 lines
3.9 KiB
Diff
135 lines
3.9 KiB
Diff
From 8810f2643c9372a8083272dc1fc157427646d961 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Wed, 10 Aug 2022 17:16:23 -0700
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Subject: [PATCH 1/2] configure: Specify correct function signatures and
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declarations
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Include needed system headers in configure tests, this is needed because
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newer compilers are getting stricter about the C99 specs and turning
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-Wimplicit-function-declaration into hard error e.g. clang-15+
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Upstream-Status: Inactive-Upstream
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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unix/configure | 79 +++++++++++++++++++++++++++++++++++++++++---------
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1 file changed, 66 insertions(+), 13 deletions(-)
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diff --git a/unix/configure b/unix/configure
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index 1d9a9bb..f2b3d02 100644
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--- a/unix/configure
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+++ b/unix/configure
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@@ -513,21 +513,70 @@ $CC $CFLAGS -c conftest.c >/dev/null 2>/dev/null
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# Check for missing functions
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# add NO_'function_name' to flags if missing
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-for func in rmdir strchr strrchr rename mktemp mktime mkstemp
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-do
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- echo Check for $func
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- echo "int main(){ $func(); return 0; }" > conftest.c
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- $CC $CFLAGS $LDFLAGS $BFLAG -o conftest conftest.c >/dev/null 2>/dev/null
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- [ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_`echo $func | tr '[a-z]' '[A-Z]'`"
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-done
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+echo Check for rmdir
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+cat > conftest.c << _EOF_
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+#include <unistd.h>
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+int main(){ rmdir(NULL); return 0; }
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+_EOF_
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+$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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+[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_RMDIR"
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+
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+echo Check for strchr
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+cat > conftest.c << _EOF_
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+#include <string.h>
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+int main(){ strchr(NULL,0); return 0; }
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+_EOF_
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+$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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+[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_STRCHR"
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+echo Check for strrchr
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+cat > conftest.c << _EOF_
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+#include <string.h>
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+int main(){ strrchr(NULL,0); return 0; }
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+_EOF_
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+$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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+[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_STRRCHR"
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+
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+echo Check for rename
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+cat > conftest.c << _EOF_
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+#include <stdio.h>
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+int main(){ rename(NULL,NULL); return 0; }
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+_EOF_
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+$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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+[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_RENAME"
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+
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+echo Check for mktemp
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+cat > conftest.c << _EOF_
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+#include <stdlib.h>
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+int main(){ mktemp(NULL); return 0; }
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+_EOF_
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+$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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+[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKTEMP"
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+
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+echo Check for mktime
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+cat > conftest.c << _EOF_
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+#include <time.h>
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+int main(){ mktime(NULL); return 0; }
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+_EOF_
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+$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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+[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKTIME"
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+
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+echo Check for mkstemp
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+cat > conftest.c << _EOF_
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+#include <stdlib.h>
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+int main(){ return mkstemp(NULL); }
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+_EOF_
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+$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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+[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_MKSTEMP"
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echo Check for memset
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-echo "int main(){ char k; memset(&k,0,0); return 0; }" > conftest.c
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+cat > conftest.c << _EOF_
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+#include <string.h>
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+int main(){ char k; memset(&k,0,0); return 0; }
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+_EOF_
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$CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DZMEM"
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-
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echo Check for memmove
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cat > conftest.c << _EOF_
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#include <string.h>
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@@ -548,7 +597,7 @@ $CC $CFLAGS $LDFLAGS -o conftest conftest.c >/dev/null 2>/dev/null
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echo Check for errno declaration
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cat > conftest.c << _EOF_
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#include <errno.h>
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-main()
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+int main()
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{
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errno = 0;
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return 0;
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@@ -625,14 +674,18 @@ CFLAGS="${CFLAGS} ${OPT}"
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echo Check for valloc
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cat > conftest.c << _EOF_
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-main()
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+#include <stdlib.h>
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+int main()
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{
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#ifdef MMAP
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- valloc();
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+ valloc(0);
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#endif
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+ return 0;
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}
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_EOF_
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-$CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null
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+#$CC ${CFLAGS} -c conftest.c > /dev/null 2>/dev/null
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+$CC ${CFLAGS} -c conftest.c
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+echo "==========================================="
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[ $? -ne 0 ] && CFLAGS="${CFLAGS} -DNO_VALLOC"
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--
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2.37.1
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