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64bc2ff1db1771bdb5aa26eebecf8dd59755818a
operating-system/buildroot/package/rocksdb/0001-build_tools-build_detect_platform-fix-C-tests.patch
Stefan Agner f358f322da Bump Buildroot to 2021.02-rc3 (#1260) 
* Rebase patches to Buildroot 2021.02-rc3

* Update Buildroot to 2021.02-rc3

* Declare Kernel headers to be Linux version 5.10 (since they are, and new Buildroot knows about 5.10)
2021-03-04 00:50:33 +01:00

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From 23739c6f9694d7fc436967439f170173dbb4c6b4 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Mon, 24 Feb 2020 10:22:13 +0100
Subject: [PATCH] build_tools/build_detect_platform: fix C++ tests
Replace -o /dev/null by -o test.o when testing for C++ features such as
-faligned-new otherwise tests will fail with some bugged binutils
(https://sourceware.org/bugzilla/show_bug.cgi?id=19526):
output/host/bin/xtensa-buildroot-linux-uclibc-g++ -faligned-new -x c++ - -o /dev/null <<EOF
struct alignas(1024) t {int a;};
int main() {}
EOF
/home/fabrice/buildroot/output/host/lib/gcc/xtensa-buildroot-linux-uclibc/8.3.0/../../../../xtensa-buildroot-linux-uclibc/bin/ld: final link failed: file truncated
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Upstream status: https://github.com/facebook/rocksdb/pull/6479]
---
build_tools/build_detect_platform | 66 +++++++++++++++----------------
1 file changed, 33 insertions(+), 33 deletions(-)
diff --git a/build_tools/build_detect_platform b/build_tools/build_detect_platform
index 2535d8124..64a0ae76c 100755
--- a/build_tools/build_detect_platform
+++ b/build_tools/build_detect_platform
@@ -172,7 +172,7 @@ case "$TARGET_OS" in
PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lpthread -lrt -ldl"
if test $ROCKSDB_USE_IO_URING; then
# check for liburing
- $CXX $CFLAGS -x c++ - -luring -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -luring -o test.o 2>/dev/null <<EOF
#include <liburing.h>
int main() {
struct io_uring ring;
@@ -245,7 +245,7 @@ if [ "$CROSS_COMPILE" = "true" -o "$FBCODE_BUILD" = "true" ]; then
else
if ! test $ROCKSDB_DISABLE_FALLOCATE; then
# Test whether fallocate is available
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <fcntl.h>
#include <linux/falloc.h>
int main() {
@@ -261,7 +261,7 @@ EOF
if ! test $ROCKSDB_DISABLE_SNAPPY; then
# Test whether Snappy library is installed
# http://code.google.com/p/snappy/
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <snappy.h>
int main() {}
EOF
@@ -276,7 +276,7 @@ EOF
# Test whether gflags library is installed
# http://gflags.github.io/gflags/
# check if the namespace is gflags
- if $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null << EOF
+ if $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null << EOF
#include <gflags/gflags.h>
using namespace GFLAGS_NAMESPACE;
int main() {}
@@ -323,7 +323,7 @@ EOF
COMMON_FLAGS="$COMMON_FLAGS -DGFLAGS=1"
PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lgflags"
# check if namespace is gflags
- elif $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null << EOF
+ elif $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null << EOF
#include <gflags/gflags.h>
using namespace gflags;
int main() {}
@@ -285,7 +285,7 @@ EOF
COMMON_FLAGS="$COMMON_FLAGS -DGFLAGS=1 -DGFLAGS_NAMESPACE=gflags"
PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lgflags"
# check if namespace is google
- elif $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null << EOF
+ elif $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null << EOF
#include <gflags/gflags.h>
using namespace google;
int main() {}
@@ -299,7 +299,7 @@ EOF
if ! test $ROCKSDB_DISABLE_ZLIB; then
# Test whether zlib library is installed
- $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <zlib.h>
int main() {}
EOF
@@ -312,7 +312,7 @@ EOF
if ! test $ROCKSDB_DISABLE_BZIP; then
# Test whether bzip library is installed
- $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <bzlib.h>
int main() {}
EOF
@@ -325,7 +325,7 @@ EOF
if ! test $ROCKSDB_DISABLE_LZ4; then
# Test whether lz4 library is installed
- $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <lz4.h>
#include <lz4hc.h>
int main() {}
@@ -339,7 +339,7 @@ EOF
if ! test $ROCKSDB_DISABLE_ZSTD; then
# Test whether zstd library is installed
- $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <zstd.h>
int main() {}
EOF
@@ -352,7 +352,7 @@ EOF
if ! test $ROCKSDB_DISABLE_NUMA; then
# Test whether numa is available
- $CXX $CFLAGS -x c++ - -o /dev/null -lnuma 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o -lnuma 2>/dev/null <<EOF
#include <numa.h>
#include <numaif.h>
int main() {}
@@ -366,7 +366,7 @@ EOF
if ! test $ROCKSDB_DISABLE_TBB; then
# Test whether tbb is available
- $CXX $CFLAGS $LDFLAGS -x c++ - -o /dev/null -ltbb 2>/dev/null <<EOF
+ $CXX $CFLAGS $LDFLAGS -x c++ - -o test.o -ltbb 2>/dev/null <<EOF
#include <tbb/tbb.h>
int main() {}
EOF
@@ -379,7 +379,7 @@ EOF
if ! test $ROCKSDB_DISABLE_JEMALLOC; then
# Test whether jemalloc is available
- if echo 'int main() {}' | $CXX $CFLAGS -x c++ - -o /dev/null -ljemalloc \
+ if echo 'int main() {}' | $CXX $CFLAGS -x c++ - -o test.o -ljemalloc \
2>/dev/null; then
# This will enable some preprocessor identifiers in the Makefile
JEMALLOC=1
@@ -400,7 +400,7 @@ EOF
fi
if ! test $JEMALLOC && ! test $ROCKSDB_DISABLE_TCMALLOC; then
# jemalloc is not available. Let's try tcmalloc
- if echo 'int main() {}' | $CXX $CFLAGS -x c++ - -o /dev/null \
+ if echo 'int main() {}' | $CXX $CFLAGS -x c++ - -o test.o \
-ltcmalloc 2>/dev/null; then
PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -ltcmalloc"
JAVA_LDFLAGS="$JAVA_LDFLAGS -ltcmalloc"
@@ -409,7 +409,7 @@ EOF
if ! test $ROCKSDB_DISABLE_MALLOC_USABLE_SIZE; then
# Test whether malloc_usable_size is available
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <malloc.h>
int main() {
size_t res = malloc_usable_size(0);
@@ -424,7 +424,7 @@ EOF
if ! test $ROCKSDB_DISABLE_MEMKIND; then
# Test whether memkind library is installed
- $CXX $CFLAGS $COMMON_FLAGS -lmemkind -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS $COMMON_FLAGS -lmemkind -x c++ - -o test.o 2>/dev/null <<EOF
#include <memkind.h>
int main() {
memkind_malloc(MEMKIND_DAX_KMEM, 1024);
@@ -486,7 +486,7 @@ EOF
if ! test $ROCKSDB_DISABLE_PTHREAD_MUTEX_ADAPTIVE_NP; then
# Test whether PTHREAD_MUTEX_ADAPTIVE_NP mutex type is available
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <pthread.h>
int main() {
int x = PTHREAD_MUTEX_ADAPTIVE_NP;
@@ -439,7 +439,7 @@ EOF
if ! test $ROCKSDB_DISABLE_BACKTRACE; then
# Test whether backtrace is available
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <execinfo.h>
int main() {
void* frames[1];
@@ -451,7 +451,7 @@ EOF
COMMON_FLAGS="$COMMON_FLAGS -DROCKSDB_BACKTRACE"
else
# Test whether execinfo library is installed
- $CXX $CFLAGS -lexecinfo -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -lexecinfo -x c++ - -o test.o 2>/dev/null <<EOF
#include <execinfo.h>
int main() {
void* frames[1];
@@ -468,7 +468,7 @@ EOF
if ! test $ROCKSDB_DISABLE_PG; then
# Test if -pg is supported
- $CXX $CFLAGS -pg -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -pg -x c++ - -o test.o 2>/dev/null <<EOF
int main() {
return 0;
}
@@ -480,7 +480,7 @@ EOF
if ! test $ROCKSDB_DISABLE_SYNC_FILE_RANGE; then
# Test whether sync_file_range is supported for compatibility with an old glibc
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <fcntl.h>
int main() {
int fd = open("/dev/null", 0);
@@ -494,7 +494,7 @@ EOF
if ! test $ROCKSDB_DISABLE_SCHED_GETCPU; then
# Test whether sched_getcpu is supported
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <sched.h>
int main() {
int cpuid = sched_getcpu();
@@ -508,7 +508,7 @@ EOF
if ! test $ROCKSDB_DISABLE_AUXV_GETAUXVAL; then
# Test whether getauxval is supported
- $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <sys/auxv.h>
int main() {
uint64_t auxv = getauxval(AT_HWCAP);
@@ -522,7 +522,7 @@ EOF
if ! test $ROCKSDB_DISABLE_ALIGNED_NEW; then
# Test whether c++17 aligned-new is supported
- $CXX $PLATFORM_CXXFLAGS -faligned-new -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $PLATFORM_CXXFLAGS -faligned-new -x c++ - -o test.o 2>/dev/null <<EOF
struct alignas(1024) t {int a;};
int main() {}
EOF
@@ -536,7 +536,7 @@ fi
# -Wshorten-64-to-32 breaks compilation on FreeBSD i386
if ! [ "$TARGET_OS" = FreeBSD -a "$TARGET_ARCHITECTURE" = i386 ]; then
# Test whether -Wshorten-64-to-32 is available
- $CXX $CFLAGS -x c++ - -o /dev/null -Wshorten-64-to-32 2>/dev/null <<EOF
+ $CXX $CFLAGS -x c++ - -o test.o -Wshorten-64-to-32 2>/dev/null <<EOF
int main() {}
EOF
if [ "$?" = 0 ]; then
@@ -603,7 +603,7 @@ if test "$TRY_SSE_ETC"; then
TRY_LZCNT="-mlzcnt"
fi
-$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_SSE42 -x c++ - -o /dev/null 2>/dev/null <<EOF
+$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_SSE42 -x c++ - -o test.o 2>/dev/null <<EOF
#include <cstdint>
#include <nmmintrin.h>
int main() {
@@ -617,7 +617,7 @@ elif test "$USE_SSE"; then
echo "warning: USE_SSE specified but compiler could not use SSE intrinsics, disabling" >&2
fi
-$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_PCLMUL -x c++ - -o /dev/null 2>/dev/null <<EOF
+$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_PCLMUL -x c++ - -o test.o 2>/dev/null <<EOF
#include <cstdint>
#include <wmmintrin.h>
int main() {
@@ -634,7 +634,7 @@ elif test "$USE_SSE"; then
echo "warning: USE_SSE specified but compiler could not use PCLMUL intrinsics, disabling" >&2
fi
-$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_AVX2 -x c++ - -o /dev/null 2>/dev/null <<EOF
+$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_AVX2 -x c++ - -o test.o 2>/dev/null <<EOF
#include <cstdint>
#include <immintrin.h>
int main() {
@@ -649,7 +649,7 @@ elif test "$USE_SSE"; then
echo "warning: USE_SSE specified but compiler could not use AVX2 intrinsics, disabling" >&2
fi
-$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_BMI -x c++ - -o /dev/null 2>/dev/null <<EOF
+$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_BMI -x c++ - -o test.o 2>/dev/null <<EOF
#include <cstdint>
#include <immintrin.h>
int main(int argc, char *argv[]) {
@@ -739,7 +739,7 @@ elif test "$USE_SSE"; then
echo "warning: USE_SSE specified but compiler could not use BMI intrinsics, disabling" >&2
fi
-$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_LZCNT -x c++ - -o /dev/null 2>/dev/null <<EOF
+$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS $TRY_LZCNT -x c++ - -o test.o 2>/dev/null <<EOF
#include <cstdint>
#include <immintrin.h>
int main(int argc, char *argv[]) {
@@ -753,7 +753,7 @@ elif test "$USE_SSE"; then
echo "warning: USE_SSE specified but compiler could not use LZCNT intrinsics, disabling" >&2
fi
-$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+$CXX $PLATFORM_CXXFLAGS $COMMON_FLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#include <cstdint>
int main() {
uint64_t a = 0xffffFFFFffffFFFF;
@@ -666,7 +666,7 @@ fi
# succeed because the cross-compiler flags are added by the Makefile, not this
# script.
if [ "$PLATFORM" != IOS ]; then
- $CXX $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
+ $CXX $COMMON_FLAGS -x c++ - -o test.o 2>/dev/null <<EOF
#if defined(_MSC_VER) && !defined(__thread)
#define __thread __declspec(thread)
#endif
@@ -685,7 +685,7 @@ if [ "$FBCODE_BUILD" != "true" -a "$PLATFORM" = OS_LINUX ]; then
void dummy_func() {}
EOF
if [ "$?" = 0 ]; then
- $CXX $COMMON_FLAGS $PLATFORM_SHARED_LDFLAGS test_dl.o -o /dev/null 2>/dev/null
+ $CXX $COMMON_FLAGS $PLATFORM_SHARED_LDFLAGS test_dl.o -o test.o 2>/dev/null
if [ "$?" = 0 ]; then
EXEC_LDFLAGS+="-ldl"
rm -f test_dl.o
--
2.25.0
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