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[build] Making `config.h` fully available to CMake users (#4044)
* Create ParseConfigHeader.cmake This script parses the config.h file to automate the process of exposing the configuration flags and configuration values found in the latter. * Update CompileDefinitions.cmake Makes use of the new functionality found in ParseConfigHeader.cmake to make things consistent. * Update CMakeOptions.txt Makes use of the new functionality found in ParseConfigHeader.cmake to make things consistent. * Update CMakeLists.txt Changes required to make possible building raylib for web on Windows 10. * Update LibraryConfigurations.cmake Removes a warning that linker-only flags were being passed to the compiler, which is in accordance to https://emscripten.org/docs/tools_reference/settings_reference.html. * Update CMakeOptions.txt Removed clutter. * Update CompileDefinitions.cmake Removed clutter. * Update CompileDefinitions.cmake Some applications might check for PLATFORM_WEB instead of __EMSCRIPTEN__. * Update CompileDefinitions.cmake Reverting * Update CMakeLists.txt USE_AUDIO is redundant in the presence of the already existent and more descriptive SUPPORT_MODULE_RAUDIO. * Update CompileDefinitions.cmake USE_AUDIO is redundant in the presence of the already existent and more descriptive SUPPORT_MODULE_RAUDIO. * Update ParseConfigHeader.cmake * Revert "Update CMakeLists.txt" This reverts commitpull/4074/head1785fc06b5. * Revert "Update CompileDefinitions.cmake" This reverts commit62f9a3a0ea. * Revert "Update CMakeLists.txt" This reverts commit3e7912144e. * Revert "Update LibraryConfigurations.cmake" This reverts commitbcc4310c49.
Lázaro Albuquerque
5 months ago
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3 changed files with 38 additions and 193 deletions
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+8 -76CMakeOptions.txt
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+13 -117cmake/CompileDefinitions.cmake
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+17 -0cmake/ParseConfigHeader.cmake
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CMakeOptions.txt
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cmake/CompileDefinitions.cmake
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cmake/ParseConfigHeader.cmake
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| @ -0,0 +1,17 @@ | |||
| file(READ "${CMAKE_CURRENT_SOURCE_DIR}/src/config.h" CONFIG_HEADER_CONTENT) | |||
| set(BLANK_OR_BACKSLASH_PATTERN "[ \t\r\n\\]") | |||
| set(VALID_IDENTIFIER_PATTERN "[A-Za-z_]+[A-Za-z_0-9]*") | |||
| set(VALID_VALUE_PATTERN [=["?[A-Za-z_0-9.-]+"?]=]) # not really correct but does the job since the config.h file hopefully will have been checked by a C preprocessor. | |||
| set(MACRO_REGEX "(//${BLANK_OR_BACKSLASH_PATTERN}*)?\#define${BLANK_OR_BACKSLASH_PATTERN}+(${VALID_IDENTIFIER_PATTERN})${BLANK_OR_BACKSLASH_PATTERN}+(${VALID_VALUE_PATTERN})") | |||
| string(REGEX MATCHALL ${MACRO_REGEX} MACRO_LIST ${CONFIG_HEADER_CONTENT}) | |||
| set(CONFIG_HEADER_FLAGS ${MACRO_LIST}) | |||
| list(FILTER CONFIG_HEADER_FLAGS INCLUDE REGEX "^.+SUPPORT_") | |||
| list(TRANSFORM CONFIG_HEADER_FLAGS REPLACE ${MACRO_REGEX} [[\2=OFF]] REGEX "^//") | |||
| list(TRANSFORM CONFIG_HEADER_FLAGS REPLACE ${MACRO_REGEX} [[\2=ON]]) | |||
| set(CONFIG_HEADER_VALUES ${MACRO_LIST}) | |||
| list(FILTER CONFIG_HEADER_VALUES EXCLUDE REGEX "(^.+SUPPORT_)|(^//)") | |||
| list(TRANSFORM CONFIG_HEADER_VALUES REPLACE ${MACRO_REGEX} [[\2=\3]]) | |||