Use -pthread on all platforms. This is necessary to get functioning support

for std::thread, and to ensure that std::mutex actually maps to a real
mutex and not a no-op.

Don't explicitly define _REENTRANT; -pthread will handle that if necessary.

1 files changed, 4 insertions, 6 deletions

diff --git a/src/build-data/cc/gcc.txt b/src/build-data/cc/gcc.txt
index d1b76edec..0b1668908 100644
--- a/src/build-data/cc/gcc.txt
+++ b/src/build-data/cc/gcc.txt
@@ -8,7 +8,7 @@ add_include_dir_option "-I"
 add_lib_dir_option "-L"
 add_lib_option "-l"
 
-lang_flags "-D_REENTRANT -ansi -Wno-long-long -std=c++0x"
+lang_flags "-ansi -Wno-long-long -std=c++0x"
 warning_flags "-W -Wall"
 #warning_flags "-Wextra -Wall -Wstrict-aliasing -Wstrict-overflow=5 -Wcast-align -Wmissing-declarations -Wno-unused-parameter"
 
@@ -70,6 +70,8 @@ ppc64     -> "-mcpu=SUBMODEL" ppc
 
 # Note that the 'linking' bit means "use this for both compiling *and* linking"
 <mach_abi_linking>
+all     -> "-pthread"
+
 amd64   -> "-m64"
 mips64  -> "-mabi=64"
 s390    -> "-m31"
@@ -78,10 +80,6 @@ sparc32 -> "-m32 -mno-app-regs"
 sparc64 -> "-m64 -mno-app-regs"
 ppc64   -> "-m64"
 
-# This should probably be used on most/all targets, but the docs are incomplete
-openbsd -> "-pthread"
-freebsd -> "-pthread"
-dragonfly -> "-pthread"
-netbsd  -> "-pthread -D_NETBSD_SOURCE"
+netbsd  -> "-D_NETBSD_SOURCE"
 qnx     -> "-fexceptions -D_QNX_SOURCE"
 </mach_abi_linking>