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https://github.com/libgit2/libgit2.git
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117 lines
2.6 KiB
CMake
117 lines
2.6 KiB
CMake
#
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# Static configuration
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#
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set(SUPPORT_PCRE2_8 1)
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set(SUPPORT_UNICODE 1)
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set(PCRE2_NEWLINE "LF")
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set(NEWLINE_DEFAULT "2")
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set(PCRE2_LINK_SIZE "2")
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set(PCRE2_MAX_VARLOOKBEHIND "255")
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set(PCRE2_PARENS_NEST_LIMIT "250")
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set(PCRE2_HEAP_LIMIT "20000000")
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set(PCRE2_MATCH_LIMIT "10000000")
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set(PCRE2_MATCH_LIMIT_DEPTH "MATCH_LIMIT")
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#
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# Dynamic configuration
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#
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include(CheckCSourceCompiles)
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include(CheckFunctionExists)
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include(CheckSymbolExists)
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include(CheckIncludeFile)
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check_include_file(assert.h HAVE_ASSERT_H)
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check_include_file(dirent.h HAVE_DIRENT_H)
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check_include_file(sys/stat.h HAVE_SYS_STAT_H)
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check_include_file(sys/types.h HAVE_SYS_TYPES_H)
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check_include_file(unistd.h HAVE_UNISTD_H)
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check_include_file(windows.h HAVE_WINDOWS_H)
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check_symbol_exists(memfd_create "sys/mman.h" HAVE_MEMFD_CREATE) # glibc 2.27
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check_symbol_exists(secure_getenv "stdlib.h" HAVE_SECURE_GETENV) # glibc 2.17
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check_c_source_compiles(
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"int main(void) { char buf[128] __attribute__((uninitialized)); (void)buf; return 0; }"
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HAVE_ATTRIBUTE_UNINITIALIZED
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)
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check_c_source_compiles("int main(void) { __assume(1); return 0; }" HAVE_BUILTIN_ASSUME)
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check_c_source_compiles(
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[=[
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#include <stddef.h>
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int main(void) { int a,b; size_t m; __builtin_mul_overflow(a,b,&m); return 0; }
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]=]
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HAVE_BUILTIN_MUL_OVERFLOW
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)
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check_c_source_compiles(
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"int main(int c, char *v[]) { if (c) __builtin_unreachable(); return (int)(*v[0]); }"
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HAVE_BUILTIN_UNREACHABLE
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)
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# Output files
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configure_file(config.h.in ${PROJECT_BINARY_DIR}/config.h @ONLY)
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# Source code
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set(PCRE2_HEADERS pcre2.h)
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set(PCRE2_SOURCES
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pcre2_auto_possess.c
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pcre2_chartables.c
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pcre2_chkdint.c
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pcre2_compile.c
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pcre2_compile_cgroup.c
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pcre2_compile_class.c
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pcre2_config.c
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pcre2_context.c
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pcre2_convert.c
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pcre2_dfa_match.c
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pcre2_error.c
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pcre2_extuni.c
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pcre2_find_bracket.c
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pcre2_maketables.c
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pcre2_match.c
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pcre2_match_data.c
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pcre2_match_next.c
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pcre2_newline.c
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pcre2_ord2utf.c
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pcre2_pattern_info.c
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pcre2_script_run.c
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pcre2_serialize.c
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pcre2_string_utils.c
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pcre2_study.c
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pcre2_substitute.c
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pcre2_substring.c
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pcre2_tables.c
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pcre2_ucd.c
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pcre2_valid_utf.c
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pcre2_xclass.c
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)
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set(PCRE2POSIX_HEADERS pcre2posix.h)
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set(PCRE2POSIX_SOURCES pcre2posix.c)
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# Build setup
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add_definitions(-DHAVE_CONFIG_H)
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add_definitions(-DPCRE2_CODE_UNIT_WIDTH=8)
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if(MSVC)
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add_compile_definitions(_CRT_SECURE_NO_DEPRECATE _CRT_SECURE_NO_WARNINGS)
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endif()
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include_directories(${PROJECT_BINARY_DIR})
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add_library(pcre2 OBJECT
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${PCRE2_HEADERS} ${PCRE2_SOURCES}
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${PCRE2POSIX_HEADERS} ${PCRE2POSIX_SOURCES})
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target_compile_definitions(pcre2 PRIVATE PCRE2_STATIC)
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