[CMake] Let llvm-shlib work on Linux with --whole-archive.

[oota-llvm.git] / cmake / config-ix.cmake

diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 358a32cd10736b71ee88d3060a106a586a582048..5204f6c77ae94dac827ba8c9b02bcc41b93ace89 100755 (executable)
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -42,7 +42,6 @@ function(check_type_exists type files variable)
 endfunction()
 
 # include checks
-check_include_file_cxx(cxxabi.h HAVE_CXXABI_H)
 check_include_file(dirent.h HAVE_DIRENT_H)
 check_include_file(dlfcn.h HAVE_DLFCN_H)
 check_include_file(errno.h HAVE_ERRNO_H)
@@ -81,6 +80,13 @@ check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT)
 check_include_file(mach/mach.h HAVE_MACH_MACH_H)
 check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H)
 
+# size_t must be defined before including cxxabi.h on FreeBSD 10.0.
+check_cxx_source_compiles("
+#include <stddef.h>
+#include <cxxabi.h>
+int main() { return 0; }
+" HAVE_CXXABI_H)
+
 # library checks
 if( NOT PURE_WINDOWS )
   check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
@@ -493,16 +499,20 @@ else()
 endif()
 
 set(LLVM_BINDINGS "")
-find_program(GO_EXECUTABLE NAMES go DOC "go executable")
-if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND")
+if(WIN32)
   message(STATUS "Go bindings disabled.")
 else()
-  execute_process(COMMAND ${GO_EXECUTABLE} run ${CMAKE_SOURCE_DIR}/bindings/go/conftest.go
-                  RESULT_VARIABLE GO_CONFTEST)
-  if(GO_CONFTEST STREQUAL "0")
-    set(LLVM_BINDINGS "${LLVM_BINDINGS} go")
-    message(STATUS "Go bindings enabled.")
+  find_program(GO_EXECUTABLE NAMES go DOC "go executable")
+  if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND")
+    message(STATUS "Go bindings disabled.")
   else()
-    message(STATUS "Go bindings disabled, need at least Go 1.2.")
+    execute_process(COMMAND ${GO_EXECUTABLE} run ${CMAKE_SOURCE_DIR}/bindings/go/conftest.go
+                    RESULT_VARIABLE GO_CONFTEST)
+    if(GO_CONFTEST STREQUAL "0")
+      set(LLVM_BINDINGS "${LLVM_BINDINGS} go")
+      message(STATUS "Go bindings enabled.")
+    else()
+      message(STATUS "Go bindings disabled, need at least Go 1.2.")
+    endif()
   endif()
 endif()