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-rwxr-xr-xsrc/leveldb/build_detect_platform15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/leveldb/build_detect_platform b/src/leveldb/build_detect_platform
index 85b1ce0224..a1101c1bda 100755
--- a/src/leveldb/build_detect_platform
+++ b/src/leveldb/build_detect_platform
@@ -20,7 +20,7 @@
#
# The PLATFORM_CCFLAGS and PLATFORM_CXXFLAGS might include the following:
#
-# -DLEVELDB_CSTDATOMIC_PRESENT if <cstdatomic> is present
+# -DLEVELDB_ATOMIC_PRESENT if <atomic> is present
# -DLEVELDB_PLATFORM_POSIX for Posix-based platforms
# -DSNAPPY if the Snappy library is present
#
@@ -72,6 +72,12 @@ if [ "$CXX" = "g++" ]; then
fi
case "$TARGET_OS" in
+ CYGWIN_*)
+ PLATFORM=OS_LINUX
+ COMMON_FLAGS="$MEMCMP_FLAG -lpthread -DOS_LINUX -DCYGWIN"
+ PLATFORM_LDFLAGS="-lpthread"
+ PORT_FILE=port/port_posix.cc
+ ;;
Darwin)
PLATFORM=OS_MACOSX
COMMON_FLAGS="$MEMCMP_FLAG -DOS_MACOSX"
@@ -185,13 +191,14 @@ if [ "$CROSS_COMPILE" = "true" ]; then
else
CXXOUTPUT="${TMPDIR}/leveldb_build_detect_platform-cxx.$$"
- # If -std=c++0x works, use <cstdatomic>. Otherwise use port_posix.h.
+ # If -std=c++0x works, use <atomic> as fallback for when memory barriers
+ # are not available.
$CXX $CXXFLAGS -std=c++0x -x c++ - -o $CXXOUTPUT 2>/dev/null <<EOF
- #include <cstdatomic>
+ #include <atomic>
int main() {}
EOF
if [ "$?" = 0 ]; then
- COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX -DLEVELDB_CSTDATOMIC_PRESENT"
+ COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX -DLEVELDB_ATOMIC_PRESENT"
PLATFORM_CXXFLAGS="-std=c++0x"
else
COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX"