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48 lines
1.9 KiB
CMake
48 lines
1.9 KiB
CMake
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enable_language(C)
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if (NOT CMAKE_C_CREATE_PREPROCESSED_SOURCE)
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return()
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endif()
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if (NOT CMAKE_C_DEFINE_FLAG)
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set(CMAKE_C_DEFINE_FLAG "-D")
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endif()
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# clean-up the command line
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string(REPLACE "${CMAKE_START_TEMP_FILE}" "" create_preprocessed_source "${CMAKE_C_CREATE_PREPROCESSED_SOURCE}")
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string(REPLACE "${CMAKE_END_TEMP_FILE}" "" create_preprocessed_source "${create_preprocessed_source}")
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string(REPLACE "<SOURCE>" "<INPUT>" create_preprocessed_source "${create_preprocessed_source}")
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separate_arguments(create_preprocessed_source UNIX_COMMAND "${create_preprocessed_source}")
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add_custom_rule(preprocess OUTPUT <OUTPUT_DIR>/<BASE_NAME>.c
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COMMAND "${CMAKE_COMMAND}" -E make_directory "<OUTPUT_DIR>"
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COMMAND ${create_preprocessed_source})
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# Use RULE_PATTERNS file set property
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add_library(foo1 STATIC)
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target_sources(foo1 PRIVATE FILE_SET fs TYPE preprocess FILES file1.c)
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set_property(FILE_SET fs TARGET foo1 PROPERTY RULE_PATTERNS
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"INPUT=$<PATH:NATIVE_PATH,<SOURCE>>;OUTPUT_DIR=<CURRENT_BINARY_DIR>/<TARGET>;CMAKE_C_COMPILER=${CMAKE_C_COMPILER};PREPROCESSED_SOURCE=$<PATH:NATIVE_PATH,<OUTPUT_DIR>/<BASE_NAME>.c>;INCLUDES=;DEFINES=${CMAKE_C_DEFINE_FLAG}RULE_PATTERN=1;FLAGS=")
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# Use <RULE>_PATTERNS source file property
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add_library(foo2 STATIC)
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target_sources(foo2 PRIVATE FILE_SET fs TYPE preprocess FILES file1.c)
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set_property(SOURCE file1.c TARGET_DIRECTORY foo2 PROPERTY preprocess_PATTERNS
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"INPUT=$<PATH:NATIVE_PATH,<SOURCE>>;OUTPUT_DIR=<CURRENT_BINARY_DIR>/<TARGET>;CMAKE_C_COMPILER=${CMAKE_C_COMPILER};PREPROCESSED_SOURCE=$<PATH:NATIVE_PATH,<OUTPUT_DIR>/<BASE_NAME>.c>;INCLUDES=;DEFINES=${CMAKE_C_DEFINE_FLAG}RULE_PATTERN=1;FLAGS=")
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# <RULE>_PATTERNS source file property override RULE_PATTERNS file set property
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add_library(foo3 STATIC)
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target_sources(foo3 PRIVATE FILE_SET fs TYPE preprocess FILES file1.c)
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set_property(FILE_SET fs TARGET foo3 PROPERTY RULE_PATTERNS
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"DEFINES=${CMAKE_C_DEFINE_FLAG}WRONG=1")
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