Sink {config.h,ConfigureChecks}.cmake into cmake directory.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@93318 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 50 insertions, 0 deletions

diff --git a/cmake/ConfigureChecks.cmake b/cmake/ConfigureChecks.cmake
new file mode 100644
index 000000000..b72a390af
--- /dev/null
+++ b/cmake/ConfigureChecks.cmake
@@ -0,0 +1,38 @@
+INCLUDE( CheckIncludeFile )
+INCLUDE( CheckFunctionExists )
+INCLUDE( CheckSymbolExists )
+INCLUDE( CheckCSourceCompiles )
+
+SET( PACKAGE ${PACKAGE_NAME} )
+SET( VERSION ${PACKAGE_VERSION} )
+
+SET( BINARYDIR ${CMAKE_BINARY_DIR} )
+SET( SOURCEDIR ${CMAKE_SOURCE_DIR} )
+
+# HEADER FILES
+CHECK_INCLUDE_FILE( sys/byteorder.h HAVE_SYS_BYTEORDER_H )
+CHECK_INCLUDE_FILE( AvailabilityMacros.h HAVE_AVAILABILITY_MACROS_H )
+CHECK_INCLUDE_FILE( TargetConditionals.h HAVE_TARGET_CONDITIONALS_H )
+CHECK_INCLUDE_FILE( libkern/OSAtomic.h HAVE_LIBKERN_OSATOMIC_H )
+
+# FUNCTIONS
+CHECK_FUNCTION_EXISTS( sysconf HAVE_SYSCONF )
+CHECK_SYMBOL_EXISTS( OSAtomicCompareAndSwapInt libkern/OSAtomic.h HAVE_OSATOMIC_COMPARE_AND_SWAP_INT )
+CHECK_SYMBOL_EXISTS( OSAtomicCompareAndSwapLong libkern/OSAtomic.h HAVE_OSATOMIC_COMPARE_AND_SWAP_LONG )
+
+# BUILTIN
+CHECK_C_SOURCE_COMPILES( "
+volatile int a;
+int main(int argc, char *argv[]) {
+  (void)__sync_bool_compare_and_swap(&a, 1, 2);
+  return 0;
+}
+" HAVE_SYNC_BOOL_COMPARE_AND_SWAP_INT )
+
+CHECK_C_SOURCE_COMPILES( "
+volatile long a;
+int main(int argc, char *argv[]) {
+  (void)__sync_bool_compare_and_swap(&a, 1, 2);
+  return 0;
+}
+" HAVE_SYNC_BOOL_COMPARE_AND_SWAP_LONG )
diff --git a/cmake/config.h.cmake b/cmake/config.h.cmake
new file mode 100644
index 000000000..307e27787
--- /dev/null
+++ b/cmake/config.h.cmake
@@ -0,0 +1,12 @@
+#cmakedefine HAVE_SYS_BYTEORDER_H ${HAVE_SYS_BYTEORDER}
+#cmakedefine HAVE_AVAILABILITY_MACROS_H ${HAVE_AVAILABILITY_MACROS_H}
+#cmakedefine HAVE_TARGET_CONDITIONALS_H ${HAVE_TARGET_CONDITIONALS_H}
+#cmakedefine HAVE_LIBKERN_OSATOMIC_H ${HAVE_LIBKERN_OSATOMIC_H}
+
+#cmakedefine HAVE_SYSCONF ${HAVE_SYSCONF}
+
+#cmakedefine HAVE_OSATOMIC_COMPARE_AND_SWAP_INT ${HAVE_OSATOMIC_COMPARE_AND_SWAP_INT}
+#cmakedefine HAVE_OSATOMIC_COMPARE_AND_SWAP_LONG ${HAVE_OSATOMIC_COMPARE_AND_SWAP_LONG}
+
+#cmakedefine HAVE_SYNC_BOOL_COMPARE_AND_SWAP_INT ${HAVE_SYNC_BOOL_COMPARE_AND_SWAP_INT}
+#cmakedefine HAVE_SYNC_BOOL_COMPARE_AND_SWAP_LONG ${HAVE_SYNC_BOOL_COMPARE_AND_SWAP_LONG}