diff options
Diffstat (limited to 'Build/source/libs/gd/libgd-2.1.0/cmake/modules/CheckDIRSymbolExists.cmake')
-rw-r--r-- | Build/source/libs/gd/libgd-2.1.0/cmake/modules/CheckDIRSymbolExists.cmake | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/Build/source/libs/gd/libgd-2.1.0/cmake/modules/CheckDIRSymbolExists.cmake b/Build/source/libs/gd/libgd-2.1.0/cmake/modules/CheckDIRSymbolExists.cmake new file mode 100644 index 00000000000..dde6c7f3af8 --- /dev/null +++ b/Build/source/libs/gd/libgd-2.1.0/cmake/modules/CheckDIRSymbolExists.cmake @@ -0,0 +1,105 @@ +# Copyright (c) 2002 Kitware, Inc., Insight Consortium +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# * Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# +# * The names of Kitware, Inc., the Insight Consortium, or the names of +# any consortium members, or of any contributors, may not be used to +# endorse or promote products derived from this software without +# specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS'' +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR +# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# - Check if the DIR symbol exists like in AC_HEADER_DIRENT. +# CHECK_DIRSYMBOL_EXISTS(FILES VARIABLE) +# +# FILES - include files to check +# VARIABLE - variable to return result +# +# This module is a small but important variation on CheckSymbolExists.cmake. +# The symbol always searched for is DIR, and the test programme follows +# the AC_HEADER_DIRENT test programme rather than the CheckSymbolExists.cmake +# test programme which always fails since DIR tends to be typedef'd +# rather than #define'd. +# +# 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 +# CMAKE_REQUIRED_LIBRARIES = list of libraries to link + +MACRO(CHECK_DIRSYMBOL_EXISTS FILES VARIABLE) + IF(NOT DEFINED ${VARIABLE}) + SET(CMAKE_CONFIGURABLE_FILE_CONTENT "/* */\n") + SET(MACRO_CHECK_DIRSYMBOL_EXISTS_FLAGS ${CMAKE_REQUIRED_FLAGS}) + IF(CMAKE_REQUIRED_LIBRARIES) + SET(CHECK_DIRSYMBOL_EXISTS_LIBS + "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + ELSE(CMAKE_REQUIRED_LIBRARIES) + SET(CHECK_DIRSYMBOL_EXISTS_LIBS) + ENDIF(CMAKE_REQUIRED_LIBRARIES) + IF(CMAKE_REQUIRED_INCLUDES) + SET(CMAKE_DIRSYMBOL_EXISTS_INCLUDES + "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") + ELSE(CMAKE_REQUIRED_INCLUDES) + SET(CMAKE_DIRSYMBOL_EXISTS_INCLUDES) + ENDIF(CMAKE_REQUIRED_INCLUDES) + FOREACH(FILE ${FILES}) + SET(CMAKE_CONFIGURABLE_FILE_CONTENT + "${CMAKE_CONFIGURABLE_FILE_CONTENT}#include <${FILE}>\n") + ENDFOREACH(FILE) + SET(CMAKE_CONFIGURABLE_FILE_CONTENT + "${CMAKE_CONFIGURABLE_FILE_CONTENT}\nint main()\n{if ((DIR *) 0) return 0;}\n") + + CONFIGURE_FILE("${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in" + "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckDIRSymbolExists.c" @ONLY) + + MESSAGE(STATUS "Looking for DIR in ${FILES}") + TRY_COMPILE(${VARIABLE} + ${CMAKE_BINARY_DIR} + ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckDIRSymbolExists.c + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + CMAKE_FLAGS + -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_DIRSYMBOL_EXISTS_FLAGS} + "${CHECK_DIRSYMBOL_EXISTS_LIBS}" + "${CMAKE_DIRSYMBOL_EXISTS_INCLUDES}" + OUTPUT_VARIABLE OUTPUT) + IF(${VARIABLE}) + MESSAGE(STATUS "Looking for DIR in ${FILES} - found") + SET(${VARIABLE} 1 CACHE INTERNAL "Have symbol DIR") + FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log + "Determining if the DIR symbol is defined as in AC_HEADER_DIRENT " + "passed with the following output:\n" + "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckDIRSymbolExists.c:\n" + "${CMAKE_CONFIGURABLE_FILE_CONTENT}\n") + ELSE(${VARIABLE}) + MESSAGE(STATUS "Looking for DIR in ${FILES} - not found.") + SET(${VARIABLE} "" CACHE INTERNAL "Have symbol DIR") + FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log + "Determining if the DIR symbol is defined as in AC_HEADER_DIRENT " + "failed with the following output:\n" + "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckDIRSymbolExists.c:\n" + "${CMAKE_CONFIGURABLE_FILE_CONTENT}\n") + ENDIF(${VARIABLE}) + ENDIF(NOT DEFINED ${VARIABLE}) +ENDMACRO(CHECK_DIRSYMBOL_EXISTS) |