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-rw-r--r--Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.cmake65
1 files changed, 65 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.cmake b/Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.cmake
new file mode 100644
index 0000000..ca0698e
--- /dev/null
+++ b/Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.cmake
@@ -0,0 +1,65 @@
+#
+# - Check if the system has the ANSI C files
+# CHECK_HEADER_STDC
+#
+# The following variables may be set before calling this macro to
+# modify the way the check is run:
+#
+# CMAKE_REQUIRED_FLAGS = string of compile command line flags
+# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
+# CMAKE_REQUIRED_INCLUDES = list of include directories
+# Copyright (c) 2009, Michihiro NAKAJIMA
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+MACRO (CHECK_HEADER_STDC)
+ IF(NOT DEFINED STDC_HEADERS)
+ IF(CMAKE_REQUIRED_INCLUDES)
+ SET(CHECK_HEADER_STDC_C_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}")
+ ELSE(CMAKE_REQUIRED_INCLUDES)
+ SET(CHECK_HEADER_STDC_C_INCLUDE_DIRS)
+ ENDIF(CMAKE_REQUIRED_INCLUDES)
+ SET(MACRO_CHECK_HEADER_STDC_FLAGS ${CMAKE_REQUIRED_FLAGS})
+
+ MESSAGE(STATUS "Cheking for ANSI C header files")
+ TRY_RUN(CHECK_HEADER_STDC_result
+ CHECK_HEADER_STDC_compile_result
+ ${CMAKE_BINARY_DIR}
+ ${libarchive_SOURCE_DIR}/build/cmake/CheckHeaderSTDC.c
+ COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
+ CMAKE_FLAGS
+ -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_HEADER_STDC_FLAGS}
+ "${CHECK_HEADER_STDC_C_INCLUDE_DIRS}"
+ OUTPUT_VARIABLE OUTPUT)
+
+ IF(CHECK_HEADER_STDC_compile_result AND CHECK_HEADER_STDC_result EQUAL 0)
+ FIND_PATH(CHECK_HEADER_STDC_path "string.h")
+ IF (CHECK_HEADER_STDC_path)
+ FILE(STRINGS "${CHECK_HEADER_STDC_path}/string.h" CHECK_HEADER_STDC_result REGEX "[^a-zA-Z_]memchr[^a-zA-Z_]")
+ IF (CHECK_HEADER_STDC_result)
+ FILE(STRINGS "${CHECK_HEADER_STDC_path}/stdlib.h" CHECK_HEADER_STDC_result REGEX "[^a-zA-Z_]free[^a-zA-Z_]")
+ ENDIF (CHECK_HEADER_STDC_result)
+ ENDIF (CHECK_HEADER_STDC_path)
+ ENDIF(CHECK_HEADER_STDC_compile_result AND CHECK_HEADER_STDC_result EQUAL 0)
+
+ IF(CHECK_HEADER_STDC_result)
+ MESSAGE(STATUS "Cheking for ANSI C header files - found")
+ SET(STDC_HEADERS 1 CACHE INTERNAL "Have ANSI C headers")
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Determining if the include file ${INCLUDE} "
+ "exists passed with the following output:\n"
+ "${OUTPUT}\n\n")
+ ELSE(CHECK_HEADER_STDC_result)
+ MESSAGE(STATUS "Cheking for ANSI C header files - not found")
+ SET(STDC_HEADERS "" CACHE INTERNAL "Have ANSI C headers")
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ "Determining if the include file ${INCLUDE} "
+ "exists failed with the following output:\n"
+ "${OUTPUT}\n\n")
+ ENDIF(CHECK_HEADER_STDC_result)
+
+ ENDIF(NOT DEFINED STDC_HEADERS)
+ENDMACRO (CHECK_HEADER_STDC)
+