Ensure that clang -pthread creates the right macro. -D_POSIX_THREADS

seems to have been a C&P error from old GCC specs for OpenBSD.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@292119 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 89e3f3ebbe3f7186fa55cbd2c95e3e9aa6761796..1a95ff26816e78ea690420520c783086414a2597 100644 (file)
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -512,7 +512,7 @@ protected:
     Builder.defineMacro("__unix__");
     Builder.defineMacro("__ELF__");
     if (Opts.POSIXThreads)
-      Builder.defineMacro("_POSIX_THREADS");
+      Builder.defineMacro("_REENTRANT");
 
     switch (Triple.getArch()) {
     default:

diff --git a/test/Driver/netbsd.c b/test/Driver/netbsd.c
index 5558a80b98600deb02c225f4c5bc9be07e3dbe41..06b5eadfca857bc040f41570d4f76ac4e6c4dfe5 100644 (file)
--- a/test/Driver/netbsd.c
+++ b/test/Driver/netbsd.c
@@ -126,6 +126,8 @@
 // RUN: %clang -no-canonical-prefixes -target powerpc64--netbsd -static \
 // RUN: --sysroot=%S/Inputs/basic_netbsd_tree %s -### 2>&1 \
 // RUN: | FileCheck -check-prefix=S-POWERPC64 %s
+// RUN: %clang -target x86_64--netbsd -pthread -dM -E %s \
+// RUN: | FileCheck -check-prefix=PTHREAD %s
 
 // STATIC: ld{{.*}}" "--eh-frame-hdr"
 // STATIC-NOT: "-pie"
@@ -427,3 +429,7 @@
 // S-POWERPC64: "{{.*}}/usr/lib{{/|\\\\}}crti.o"
 // S-POWERPC64: "{{.*}}/usr/lib{{/|\\\\}}crtbegin.o" "{{.*}}.o" "-lc"
 // S-POWERPC64: "{{.*}}/usr/lib{{/|\\\\}}crtend.o" "{{.*}}/usr/lib{{/|\\\\}}crtn.o"
+
+// PTHREAD-NOT: _POSIX_THREADS
+// PTHREAD:     _REENTRANT
+// PTHREAD-NOT: _POSIX_THREADS