mirror of
https://github.com/neovim/neovim.git
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f936a962d0
This distinction is important for correct dependency management, as the nvim binary is used to create some runtime files. The nvim binary (and the target to build it) is thus called `nvim_bin` and the target to build all of nvim (binary+runtime) is called `nvim`.
189 lines
4.9 KiB
CMake
189 lines
4.9 KiB
CMake
include(CheckTypeSize)
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include(CheckSymbolExists)
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include(CheckFunctionExists)
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include(CheckIncludeFiles)
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include(CheckCSourceRuns)
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include(CheckCSourceCompiles)
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include(TestBigEndian)
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check_c_source_compiles("
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#include <execinfo.h>
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int main(void)
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{
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void *trace[1];
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backtrace(trace, 1);
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return 0;
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}
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" HAVE_EXECINFO_BACKTRACE)
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check_c_source_compiles("
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int main(void)
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{
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int a = 42;
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__builtin_add_overflow(a, a, &a);
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__builtin_sub_overflow(a, a, &a);
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return 0;
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}
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" HAVE_BUILTIN_ADD_OVERFLOW)
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check_type_size("int" SIZEOF_INT LANGUAGE C)
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check_type_size("long" SIZEOF_LONG LANGUAGE C)
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check_type_size("intmax_t" SIZEOF_INTMAX_T LANGUAGE C)
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check_type_size("size_t" SIZEOF_SIZE_T LANGUAGE C)
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check_type_size("void *" SIZEOF_VOID_PTR LANGUAGE C)
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check_symbol_exists(_NSGetEnviron crt_externs.h HAVE__NSGETENVIRON)
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# Headers
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check_include_files(langinfo.h HAVE_LANGINFO_H)
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check_include_files(strings.h HAVE_STRINGS_H)
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check_include_files(sys/utsname.h HAVE_SYS_UTSNAME_H)
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check_include_files(termios.h HAVE_TERMIOS_H)
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check_include_files(sys/uio.h HAVE_SYS_UIO_H)
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check_include_files(sys/sdt.h HAVE_SYS_SDT_H)
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if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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check_include_files(sys/xattr.h HAVE_XATTR)
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endif()
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# Functions
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check_function_exists(fseeko HAVE_FSEEKO)
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check_function_exists(readv HAVE_READV)
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check_function_exists(readlink HAVE_READLINK)
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check_function_exists(strnlen HAVE_STRNLEN)
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check_function_exists(strcasecmp HAVE_STRCASECMP)
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check_function_exists(strncasecmp HAVE_STRNCASECMP)
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check_function_exists(strptime HAVE_STRPTIME)
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check_c_source_compiles("
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#include <sys/types.h>
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#include <dirent.h>
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#include <sys/file.h>
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int main(void)
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{
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DIR *dir = opendir(\"dirname\");
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dirfd(dir);
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flock(10, LOCK_SH);
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return 0;
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}
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" HAVE_DIRFD_AND_FLOCK)
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check_c_source_compiles("
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#include <pwd.h>
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int main(void)
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{
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getpwent();
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getpwuid(0);
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getpwnam(\"root\");
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return 0;
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}
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" HAVE_PWD_FUNCS)
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if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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check_c_source_compiles("
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#include <termios.h>
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int
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main(void)
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{
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return forkpty(0, NULL, NULL, NULL);
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}
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" HAVE_FORKPTY)
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else()
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set(HAVE_FORKPTY 1)
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endif()
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# Symbols
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check_symbol_exists(FD_CLOEXEC "fcntl.h" HAVE_FD_CLOEXEC)
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if(HAVE_LANGINFO_H)
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check_symbol_exists(CODESET "langinfo.h" HAVE_NL_LANGINFO_CODESET)
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endif()
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check_include_files("endian.h" HAVE_ENDIAN_H)
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set(ENDIAN_INCLUDE_FILE "endian.h")
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if(NOT HAVE_ENDIAN_H)
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check_include_files("sys/endian.h" HAVE_SYS_ENDIAN_H)
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if (HAVE_SYS_ENDIAN_H)
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set(ENDIAN_INCLUDE_FILE "sys/endian.h")
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endif()
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endif()
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set(SI "#include <stdint.h>\n")
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set(MS "int main(int argc,char**argv)\n{\n uint64_t i=0x0102030405060708ULL;")
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set(ME "}")
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check_c_source_compiles("
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#define _BSD_SOURCE 1
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#define _DEFAULT_SOURCE 1
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${SI}
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#include <${ENDIAN_INCLUDE_FILE}>
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#ifndef be64toh
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# error No be64toh macros
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#endif
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${MS}
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uint64_t j = be64toh(i);
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return (j == 0); // j must not be zero
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${ME}"
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HAVE_BE64TOH_MACROS)
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if(NOT "${HAVE_BE64TOH_MACROS}")
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check_function_exists(be64toh HAVE_BE64TOH_FUNC)
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endif()
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if("${HAVE_BE64TOH_MACROS}" OR "${HAVE_BE64TOH_FUNC}")
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set(HAVE_BE64TOH 1)
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endif()
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test_big_endian(ORDER_BIG_ENDIAN)
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configure_file (
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"${PROJECT_SOURCE_DIR}/cmake.config/config.h.in"
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"${PROJECT_BINARY_DIR}/cmake.config/auto/config.h"
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)
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set(VERSION_STRING "${CMAKE_C_COMPILER} ${CMAKE_C_FLAGS} ")
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foreach(BUILD_TYPE Debug Release RelWithDebInfo MinSizeRel)
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string(TOUPPER ${BUILD_TYPE} BUILD_TYPE_UPPER)
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set(GEN_CONFIG "$<CONFIG:${BUILD_TYPE}>")
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set(GEN_RHS "${CMAKE_C_FLAGS_${BUILD_TYPE_UPPER}} ")
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string(APPEND VERSION_STRING "$<${GEN_CONFIG}:${GEN_RHS}>")
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set(GEN_RHS "$<$<BOOL:$<TARGET_PROPERTY:nvim_bin,INTERPROCEDURAL_OPTIMIZATION_${BUILD_TYPE_UPPER}>>:${CMAKE_C_COMPILE_OPTIONS_IPO}>")
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string(APPEND VERSION_STRING "$<${GEN_CONFIG}:${GEN_RHS}>")
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endforeach()
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string(APPEND VERSION_STRING " ")
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function(append_target_expression)
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cmake_parse_arguments(ARG
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""
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"PREFIX;PROPERTY"
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""
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${ARGN})
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set(TARGET_EXPRESSION "$<TARGET_PROPERTY:nvim_bin,${ARG_PROPERTY}>")
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if(${CMAKE_VERSION} VERSION_GREATER_EQUAL 3.15)
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set(TARGET_EXPRESSION "$<REMOVE_DUPLICATES:${TARGET_EXPRESSION}>")
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endif()
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set(TARGET_EXPRESSION "${ARG_PREFIX}$<JOIN:${TARGET_EXPRESSION}, ${ARG_PREFIX}>")
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set(VERSION_STRING "${VERSION_STRING} ${TARGET_EXPRESSION} " PARENT_SCOPE)
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endfunction()
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append_target_expression(PROPERTY COMPILE_OPTIONS)
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append_target_expression(PROPERTY LINK_OPTIONS)
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append_target_expression(PREFIX "-D" PROPERTY COMPILE_DEFINITIONS)
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append_target_expression(PREFIX "-I" PROPERTY INCLUDE_DIRECTORIES)
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string(REPLACE ";" " " VERSION_STRING "${VERSION_STRING}")
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string(REPLACE " " " " VERSION_STRING "${VERSION_STRING}")
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configure_file(versiondef.h.in auto/versiondef.h.gen)
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file(GENERATE
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OUTPUT "${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef-$<CONFIG>.h"
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INPUT "${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef.h.gen")
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configure_file (
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"${PROJECT_SOURCE_DIR}/cmake.config/pathdef.c.in"
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"${PROJECT_BINARY_DIR}/cmake.config/auto/pathdef.c"
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ESCAPE_QUOTES)
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