ENH: We need this for the new version of Curl. Once CMake 2.2 is released, this can go out.

2 files changed, 85 insertions, 0 deletions

diff --git a/Source/CTest/Curl/CMake/CheckTypeSize.c.in b/Source/CTest/Curl/CMake/CheckTypeSize.c.in
new file mode 100644
index 0000000..822d9c5
--- /dev/null
+++ b/Source/CTest/Curl/CMake/CheckTypeSize.c.in
@@ -0,0 +1,34 @@
+#ifdef CHECK_TYPE_SIZE_TYPE
+
+@CHECK_TYPE_SIZE_PREINCLUDE@
+
+#ifdef HAVE_SYS_TYPES_H
+#  include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
+
+#ifdef HAVE_STDINT_H
+#  include <stdint.h>
+#endif /* HAVE_STDINT_H */
+
+#ifdef HAVE_STDDEF_H
+#  include <stddef.h>
+#endif /* HAVE_STDDEF_H */
+
+@CHECK_TYPE_SIZE_PREMAIN@
+
+#ifdef __CLASSIC_C__
+int main(){
+  int ac;
+  char*av[];
+#else
+int main(int ac, char*av[]){
+#endif
+  if(ac > 1000){return *av[0];}
+  return sizeof(CHECK_TYPE_SIZE_TYPE);
+}
+
+#else  /* CHECK_TYPE_SIZE_TYPE */
+
+#  error "CHECK_TYPE_SIZE_TYPE has to specify the type"
+
+#endif /* CHECK_TYPE_SIZE_TYPE */
diff --git a/Source/CTest/Curl/CMake/CheckTypeSize.cmake b/Source/CTest/Curl/CMake/CheckTypeSize.cmake
new file mode 100644
index 0000000..c9a71f0
--- /dev/null
+++ b/Source/CTest/Curl/CMake/CheckTypeSize.cmake
@@ -0,0 +1,51 @@
+#
+# Check if the type exists and determine size of type.  if the type
+# exists, the size will be stored to the variable.
+#
+# CHECK_TYPE_SIZE - macro which checks the size of type
+# VARIABLE - variable to store size if the type exists.
+# HAVE_${VARIABLE} - does the variable exists or not
+#
+
+MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
+  SET(CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS 1)
+  IF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
+    SET(MACRO_CHECK_TYPE_SIZE_FLAGS 
+      "-DCHECK_TYPE_SIZE_TYPE=\"${TYPE}\" ${CMAKE_REQUIRED_FLAGS}")
+    FOREACH(def HAVE_SYS_TYPES_H HAVE_STDINT_H HAVE_STDDEF_H)
+      IF("${def}")
+        SET(MACRO_CHECK_TYPE_SIZE_FLAGS 
+          "${MACRO_CHECK_TYPE_SIZE_FLAGS} -D${def}")
+      ENDIF("${def}")
+    ENDFOREACH(def)
+    SET(CHECK_TYPE_SIZE_PREMAIN)
+    FOREACH(def ${CMAKE_EXTRA_INCLUDE_FILES})
+      SET(CHECK_TYPE_SIZE_PREMAIN "${CHECK_TYPE_SIZE_PREMAIN}#include \"${def}\"\n")
+    ENDFOREACH(def)
+    CONFIGURE_FILE("${CMAKE_ROOT}/Modules/CheckTypeSize.c.in"
+      "${CMAKE_BINARY_DIR}/CMakeTmp/CheckTypeSize.c" IMMEDIATE @ONLY)
+    FILE(READ "${CMAKE_BINARY_DIR}/CMakeTmp/CheckTypeSize.c"
+      CHECK_TYPE_SIZE_FILE_CONTENT)
+    MESSAGE(STATUS "Check size of ${TYPE}")
+    IF(CMAKE_REQUIRED_LIBRARIES)
+      SET(CHECK_TYPE_SIZE_ADD_LIBRARIES 
+        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
+    ENDIF(CMAKE_REQUIRED_LIBRARIES)
+    TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
+      ${CMAKE_BINARY_DIR}
+      "${CMAKE_BINARY_DIR}/CMakeTmp/CheckTypeSize.c"
+      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}
+      "${CHECK_TYPE_SIZE_ADD_LIBRARIES}"
+      OUTPUT_VARIABLE OUTPUT)
+    IF(HAVE_${VARIABLE})
+      MESSAGE(STATUS "Check size of ${TYPE} - done")
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log 
+        "Determining size of ${TYPE} passed with the following output:\n${OUTPUT}\n\n")
+    ELSE(HAVE_${VARIABLE})
+      MESSAGE(STATUS "Check size of ${TYPE} - failed")
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log 
+        "Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\nCheckTypeSize.c:\n${CHECK_TYPE_SIZE_FILE_CONTENT}\n\n")
+    ENDIF(HAVE_${VARIABLE})
+  ENDIF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
+  SET(CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS )
+ENDMACRO(CHECK_TYPE_SIZE)