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Diffstat (limited to 'contrib/buildsystems/CMakeLists.txt')
| -rw-r--r-- | contrib/buildsystems/CMakeLists.txt | 988 |
1 files changed, 988 insertions, 0 deletions
diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt new file mode 100644 index 0000000000..df539a44fa --- /dev/null +++ b/contrib/buildsystems/CMakeLists.txt @@ -0,0 +1,988 @@ +# +# Copyright (c) 2020 Sibi Siddharthan +# + +#[[ + +Instructions how to use this in Visual Studio: + +Open the worktree as a folder. Visual Studio 2019 and later will detect +the CMake configuration automatically and set everything up for you, +ready to build. You can then run the tests in `t/` via a regular Git Bash. + +Note: Visual Studio also has the option of opening `CMakeLists.txt` +directly; Using this option, Visual Studio will not find the source code, +though, therefore the `File>Open>Folder...` option is preferred. + +Instructions to run CMake manually: + + mkdir -p contrib/buildsystems/out + cd contrib/buildsystems/out + cmake ../ -DCMAKE_BUILD_TYPE=Release + +This will build the git binaries in contrib/buildsystems/out +directory (our top-level .gitignore file knows to ignore contents of +this directory). + +Possible build configurations(-DCMAKE_BUILD_TYPE) with corresponding +compiler flags +Debug : -g +Release: -O3 +RelWithDebInfo : -O2 -g +MinSizeRel : -Os +empty(default) : + +NOTE: -DCMAKE_BUILD_TYPE is optional. For multi-config generators like Visual Studio +this option is ignored + +This process generates a Makefile(Linux/*BSD/MacOS) , Visual Studio solution(Windows) by default. +Run `make` to build Git on Linux/*BSD/MacOS. +Open git.sln on Windows and build Git. + +NOTE: By default CMake uses Makefile as the build tool on Linux and Visual Studio in Windows, +to use another tool say `ninja` add this to the command line when configuring. +`-G Ninja` + +]] +cmake_minimum_required(VERSION 3.14) + +#set the source directory to root of git +set(CMAKE_SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/../..) +if(WIN32) + set(VCPKG_DIR "${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg") + if(MSVC AND NOT EXISTS ${VCPKG_DIR}) + message("Initializing vcpkg and building the Git's dependencies (this will take a while...)") + execute_process(COMMAND ${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg_install.bat) + endif() + list(APPEND CMAKE_PREFIX_PATH "${VCPKG_DIR}/installed/x64-windows") + + # In the vcpkg edition, we need this to be able to link to libcurl + set(CURL_NO_CURL_CMAKE ON) +endif() + +find_program(SH_EXE sh PATHS "C:/Program Files/Git/bin") +if(NOT SH_EXE) + message(FATAL_ERROR "sh: shell interpreter was not found in your path, please install one." + "On Windows, you can get it as part of 'Git for Windows' install at https://gitforwindows.org/") +endif() + +#Create GIT-VERSION-FILE using GIT-VERSION-GEN +if(NOT EXISTS ${CMAKE_SOURCE_DIR}/GIT-VERSION-FILE) + message("Generating GIT-VERSION-FILE") + execute_process(COMMAND ${SH_EXE} ${CMAKE_SOURCE_DIR}/GIT-VERSION-GEN + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}) +endif() + +#Parse GIT-VERSION-FILE to get the version +file(STRINGS ${CMAKE_SOURCE_DIR}/GIT-VERSION-FILE git_version REGEX "GIT_VERSION = (.*)") +string(REPLACE "GIT_VERSION = " "" git_version ${git_version}) +string(FIND ${git_version} "GIT" location) +if(location EQUAL -1) + string(REGEX MATCH "[0-9]*\\.[0-9]*\\.[0-9]*" git_version ${git_version}) +else() + string(REGEX MATCH "[0-9]*\\.[0-9]*" git_version ${git_version}) + string(APPEND git_version ".0") #for building from a snapshot +endif() + +project(git + VERSION ${git_version} + LANGUAGES C) + + +#TODO gitk git-gui gitweb +#TODO Enable NLS on windows natively +#TODO Add pcre support + +#macros for parsing the Makefile for sources and scripts +macro(parse_makefile_for_sources list_var regex) + file(STRINGS ${CMAKE_SOURCE_DIR}/Makefile ${list_var} REGEX "^${regex} \\+=(.*)") + string(REPLACE "${regex} +=" "" ${list_var} ${${list_var}}) + string(REPLACE "$(COMPAT_OBJS)" "" ${list_var} ${${list_var}}) #remove "$(COMPAT_OBJS)" This is only for libgit. + string(STRIP ${${list_var}} ${list_var}) #remove trailing/leading whitespaces + string(REPLACE ".o" ".c;" ${list_var} ${${list_var}}) #change .o to .c, ; is for converting the string into a list + list(TRANSFORM ${list_var} STRIP) #remove trailing/leading whitespaces for each element in list + list(REMOVE_ITEM ${list_var} "") #remove empty list elements +endmacro() + +macro(parse_makefile_for_scripts list_var regex lang) + file(STRINGS ${CMAKE_SOURCE_DIR}/Makefile ${list_var} REGEX "^${regex} \\+=(.*)") + string(REPLACE "${regex} +=" "" ${list_var} ${${list_var}}) + string(STRIP ${${list_var}} ${list_var}) #remove trailing/leading whitespaces + string(REPLACE " " ";" ${list_var} ${${list_var}}) #convert string to a list + if(NOT ${lang}) #exclude for SCRIPT_LIB + list(TRANSFORM ${list_var} REPLACE "${lang}" "") #do the replacement + endif() +endmacro() + +include(CheckTypeSize) +include(CheckCSourceRuns) +include(CheckCSourceCompiles) +include(CheckIncludeFile) +include(CheckFunctionExists) +include(CheckSymbolExists) +include(CheckStructHasMember) +include(CTest) + +find_package(ZLIB REQUIRED) +find_package(CURL) +find_package(EXPAT) +find_package(Iconv) + +#Don't use libintl on Windows Visual Studio and Clang builds +if(NOT (WIN32 AND (CMAKE_C_COMPILER_ID STREQUAL "MSVC" OR CMAKE_C_COMPILER_ID STREQUAL "Clang"))) + find_package(Intl) +endif() + +if(NOT Intl_FOUND) + add_compile_definitions(NO_GETTEXT) + if(NOT Iconv_FOUND) + add_compile_definitions(NO_ICONV) + endif() +endif() + +include_directories(SYSTEM ${ZLIB_INCLUDE_DIRS}) +if(CURL_FOUND) + include_directories(SYSTEM ${CURL_INCLUDE_DIRS}) +endif() +if(EXPAT_FOUND) + include_directories(SYSTEM ${EXPAT_INCLUDE_DIRS}) +endif() +if(Iconv_FOUND) + include_directories(SYSTEM ${Iconv_INCLUDE_DIRS}) +endif() +if(Intl_FOUND) + include_directories(SYSTEM ${Intl_INCLUDE_DIRS}) +endif() + + +if(WIN32 AND NOT MSVC)#not required for visual studio builds + find_program(WINDRES_EXE windres) + if(NOT WINDRES_EXE) + message(FATAL_ERROR "Install windres on Windows for resource files") + endif() +endif() + +find_program(MSGFMT_EXE msgfmt) +if(NOT MSGFMT_EXE) + set(MSGFMT_EXE ${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg/downloads/tools/msys2/msys64/usr/bin/msgfmt.exe) + if(NOT EXISTS ${MSGFMT_EXE}) + message(WARNING "Text Translations won't be built") + unset(MSGFMT_EXE) + endif() +endif() + +#Force all visual studio outputs to CMAKE_BINARY_DIR +if(CMAKE_C_COMPILER_ID STREQUAL "MSVC") + set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}) + set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}) + add_compile_options(/MP) +endif() + +#default behaviour +include_directories(${CMAKE_SOURCE_DIR}) +add_compile_definitions(GIT_HOST_CPU="${CMAKE_SYSTEM_PROCESSOR}") +add_compile_definitions(SHA256_BLK INTERNAL_QSORT RUNTIME_PREFIX) +add_compile_definitions(NO_OPENSSL SHA1_DC SHA1DC_NO_STANDARD_INCLUDES + SHA1DC_INIT_SAFE_HASH_DEFAULT=0 + SHA1DC_CUSTOM_INCLUDE_SHA1_C="cache.h" + SHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="git-compat-util.h" ) +list(APPEND compat_SOURCES sha1dc_git.c sha1dc/sha1.c sha1dc/ubc_check.c block-sha1/sha1.c sha256/block/sha256.c compat/qsort_s.c) + + +add_compile_definitions(PAGER_ENV="LESS=FRX LV=-c" + ETC_GITATTRIBUTES="etc/gitattributes" + ETC_GITCONFIG="etc/gitconfig" + GIT_EXEC_PATH="libexec/git-core" + GIT_LOCALE_PATH="share/locale" + GIT_MAN_PATH="share/man" + GIT_INFO_PATH="share/info" + GIT_HTML_PATH="share/doc/git-doc" + DEFAULT_HELP_FORMAT="html" + DEFAULT_GIT_TEMPLATE_DIR="share/git-core/templates" + GIT_VERSION="${PROJECT_VERSION}.GIT" + GIT_USER_AGENT="git/${PROJECT_VERSION}.GIT" + BINDIR="bin" + GIT_BUILT_FROM_COMMIT="") + +if(WIN32) + set(FALLBACK_RUNTIME_PREFIX /mingw64) + add_compile_definitions(FALLBACK_RUNTIME_PREFIX="${FALLBACK_RUNTIME_PREFIX}") +else() + set(FALLBACK_RUNTIME_PREFIX /home/$ENV{USER}) + add_compile_definitions(FALLBACK_RUNTIME_PREFIX="${FALLBACK_RUNTIME_PREFIX}") +endif() + + +#Platform Specific +if(CMAKE_SYSTEM_NAME STREQUAL "Windows") + if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" OR CMAKE_C_COMPILER_ID STREQUAL "Clang") + include_directories(${CMAKE_SOURCE_DIR}/compat/vcbuild/include) + add_compile_definitions(_CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_DEPRECATE) + endif() + include_directories(${CMAKE_SOURCE_DIR}/compat/win32) + add_compile_definitions(HAVE_ALLOCA_H NO_POSIX_GOODIES NATIVE_CRLF NO_UNIX_SOCKETS WIN32 + _CONSOLE DETECT_MSYS_TTY STRIP_EXTENSION=".exe" NO_SYMLINK_HEAD UNRELIABLE_FSTAT + NOGDI OBJECT_CREATION_MODE=1 __USE_MINGW_ANSI_STDIO=0 + USE_NED_ALLOCATOR OVERRIDE_STRDUP MMAP_PREVENTS_DELETE USE_WIN32_MMAP + UNICODE _UNICODE HAVE_WPGMPTR ENSURE_MSYSTEM_IS_SET) + list(APPEND compat_SOURCES compat/mingw.c compat/winansi.c compat/win32/path-utils.c + compat/win32/pthread.c compat/win32mmap.c compat/win32/syslog.c + compat/win32/trace2_win32_process_info.c compat/win32/dirent.c + compat/nedmalloc/nedmalloc.c compat/strdup.c) + set(NO_UNIX_SOCKETS 1) + +elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux") + add_compile_definitions(PROCFS_EXECUTABLE_PATH="/proc/self/exe" HAVE_DEV_TTY ) + list(APPEND compat_SOURCES unix-socket.c) +endif() + +set(EXE_EXTENSION ${CMAKE_EXECUTABLE_SUFFIX}) + +#header checks +check_include_file(libgen.h HAVE_LIBGEN_H) +if(NOT HAVE_LIBGEN_H) + add_compile_definitions(NO_LIBGEN_H) + list(APPEND compat_SOURCES compat/basename.c) +endif() + +check_include_file(sys/sysinfo.h HAVE_SYSINFO) +if(HAVE_SYSINFO) + add_compile_definitions(HAVE_SYSINFO) +endif() + +check_c_source_compiles(" +#include <alloca.h> + +int main(void) +{ + char *p = (char *) alloca(2 * sizeof(int)); + + if (p) + return 0; + return 0; +}" +HAVE_ALLOCA_H) +if(HAVE_ALLOCA_H) + add_compile_definitions(HAVE_ALLOCA_H) +endif() + +check_include_file(strings.h HAVE_STRINGS_H) +if(HAVE_STRINGS_H) + add_compile_definitions(HAVE_STRINGS_H) +endif() + +check_include_file(sys/select.h HAVE_SYS_SELECT_H) +if(NOT HAVE_SYS_SELECT_H) + add_compile_definitions(NO_SYS_SELECT_H) +endif() + +check_include_file(sys/poll.h HAVE_SYS_POLL_H) +if(NOT HAVE_SYS_POLL_H) + add_compile_definitions(NO_SYS_POLL_H) +endif() + +check_include_file(poll.h HAVE_POLL_H) +if(NOT HAVE_POLL_H) + add_compile_definitions(NO_POLL_H) +endif() + +check_include_file(inttypes.h HAVE_INTTYPES_H) +if(NOT HAVE_INTTYPES_H) + add_compile_definitions(NO_INTTYPES_H) +endif() + +check_include_file(paths.h HAVE_PATHS_H) +if(HAVE_PATHS_H) + add_compile_definitions(HAVE_PATHS_H) +endif() + +#function checks +set(function_checks + strcasestr memmem strlcpy strtoimax strtoumax strtoull + setenv mkdtemp poll pread memmem) + +#unsetenv,hstrerror are incompatible with windows build +if(NOT WIN32) + list(APPEND function_checks unsetenv hstrerror) +endif() + +foreach(f ${function_checks}) + string(TOUPPER ${f} uf) + check_function_exists(${f} HAVE_${uf}) + if(NOT HAVE_${uf}) + add_compile_definitions(NO_${uf}) + endif() +endforeach() + +if(NOT HAVE_POLL_H OR NOT HAVE_SYS_POLL_H OR NOT HAVE_POLL) + include_directories(${CMAKE_SOURCE_DIR}/compat/poll) + add_compile_definitions(NO_POLL) + list(APPEND compat_SOURCES compat/poll/poll.c) +endif() + +if(NOT HAVE_STRCASESTR) + list(APPEND compat_SOURCES compat/strcasestr.c) +endif() + +if(NOT HAVE_STRLCPY) + list(APPEND compat_SOURCES compat/strlcpy.c) +endif() + +if(NOT HAVE_STRTOUMAX) + list(APPEND compat_SOURCES compat/strtoumax.c compat/strtoimax.c) +endif() + +if(NOT HAVE_SETENV) + list(APPEND compat_SOURCES compat/setenv.c) +endif() + +if(NOT HAVE_MKDTEMP) + list(APPEND compat_SOURCES compat/mkdtemp.c) +endif() + +if(NOT HAVE_PREAD) + list(APPEND compat_SOURCES compat/pread.c) +endif() + +if(NOT HAVE_MEMMEM) + list(APPEND compat_SOURCES compat/memmem.c) +endif() + +if(NOT WIN32) + if(NOT HAVE_UNSETENV) + list(APPEND compat_SOURCES compat/unsetenv.c) + endif() + + if(NOT HAVE_HSTRERROR) + list(APPEND compat_SOURCES compat/hstrerror.c) + endif() +endif() + +check_function_exists(getdelim HAVE_GETDELIM) +if(HAVE_GETDELIM) + add_compile_definitions(HAVE_GETDELIM) +endif() + +check_function_exists(clock_gettime HAVE_CLOCK_GETTIME) +check_symbol_exists(CLOCK_MONOTONIC "time.h" HAVE_CLOCK_MONOTONIC) +if(HAVE_CLOCK_GETTIME) + add_compile_definitions(HAVE_CLOCK_GETTIME) +endif() +if(HAVE_CLOCK_MONOTONIC) + add_compile_definitions(HAVE_CLOCK_MONOTONIC) +endif() + +#check for st_blocks in struct stat +check_struct_has_member("struct stat" st_blocks "sys/stat.h" STRUCT_STAT_HAS_ST_BLOCKS) +if(NOT STRUCT_STAT_HAS_ST_BLOCKS) + add_compile_definitions(NO_ST_BLOCKS_IN_STRUCT_STAT) +endif() + +#compile checks +check_c_source_runs(" +#include<stdio.h> +#include<stdarg.h> +#include<string.h> +#include<stdlib.h> + +int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) +{ + int ret; + va_list ap; + + va_start(ap, format); + ret = vsnprintf(str, maxsize, format, ap); + va_end(ap); + return ret; +} + +int main(void) +{ + char buf[6]; + + if (test_vsnprintf(buf, 3, \"%s\", \"12345\") != 5 + || strcmp(buf, \"12\")) + return 1; + if (snprintf(buf, 3, \"%s\", \"12345\") != 5 + || strcmp(buf, \"12\")) + return 1; + return 0; +}" +SNPRINTF_OK) +if(NOT SNPRINTF_OK) + add_compile_definitions(SNPRINTF_RETURNS_BOGUS) + list(APPEND compat_SOURCES compat/snprintf.c) +endif() + +check_c_source_runs(" +#include<stdio.h> + +int main(void) +{ + FILE *f = fopen(\".\", \"r\"); + + return f != NULL; +}" +FREAD_READS_DIRECTORIES_NO) +if(NOT FREAD_READS_DIRECTORIES_NO) + add_compile_definitions(FREAD_READS_DIRECTORIES) + list(APPEND compat_SOURCES compat/fopen.c) +endif() + +check_c_source_compiles(" +#include <regex.h> +#ifndef REG_STARTEND +#error oops we dont have it +#endif + +int main(void) +{ + return 0; +}" +HAVE_REGEX) +if(NOT HAVE_REGEX) + include_directories(${CMAKE_SOURCE_DIR}/compat/regex) + list(APPEND compat_SOURCES compat/regex/regex.c ) + add_compile_definitions(NO_REGEX NO_MBSUPPORT GAWK) +endif() + + +check_c_source_compiles(" +#include <stddef.h> +#include <sys/types.h> +#include <sys/sysctl.h> + +int main(void) +{ + int val, mib[2]; + size_t len; + + mib[0] = CTL_HW; + mib[1] = 1; + len = sizeof(val); + return sysctl(mib, 2, &val, &len, NULL, 0) ? 1 : 0; +}" +HAVE_BSD_SYSCTL) +if(HAVE_BSD_SYSCTL) + add_compile_definitions(HAVE_BSD_SYSCTL) +endif() + +set(CMAKE_REQUIRED_LIBRARIES ${Iconv_LIBRARIES}) +set(CMAKE_REQUIRED_INCLUDES ${Iconv_INCLUDE_DIRS}) + +check_c_source_compiles(" +#include <iconv.h> + +extern size_t iconv(iconv_t cd, + char **inbuf, size_t *inbytesleft, + char **outbuf, size_t *outbytesleft); + +int main(void) +{ + return 0; +}" +HAVE_NEW_ICONV) +if(HAVE_NEW_ICONV) + set(HAVE_OLD_ICONV 0) +else() + set(HAVE_OLD_ICONV 1) +endif() + +check_c_source_runs(" +#include <iconv.h> +#if ${HAVE_OLD_ICONV} +typedef const char *iconv_ibp; +#else +typedef char *iconv_ibp; +#endif + +int main(void) +{ + int v; + iconv_t conv; + char in[] = \"a\"; + iconv_ibp pin = in; + char out[20] = \"\"; + char *pout = out; + size_t isz = sizeof(in); + size_t osz = sizeof(out); + + conv = iconv_open(\"UTF-16\", \"UTF-8\"); + iconv(conv, &pin, &isz, &pout, &osz); + iconv_close(conv); + v = (unsigned char)(out[0]) + (unsigned char)(out[1]); + return v != 0xfe + 0xff; +}" +ICONV_DOESNOT_OMIT_BOM) +if(NOT ICONV_DOESNOT_OMIT_BOM) + add_compile_definitions(ICONV_OMITS_BOM) +endif() + +unset(CMAKE_REQUIRED_LIBRARIES) +unset(CMAKE_REQUIRED_INCLUDES) + + +#programs +set(PROGRAMS_BUILT + git git-daemon git-http-backend git-sh-i18n--envsubst + git-shell) + +if(NOT CURL_FOUND) + list(APPEND excluded_progs git-http-fetch git-http-push) + add_compile_definitions(NO_CURL) + message(WARNING "git-http-push and git-http-fetch will not be built") +else() + list(APPEND PROGRAMS_BUILT git-http-fetch git-http-push git-imap-send git-remote-http) + if(CURL_VERSION_STRING VERSION_GREATER_EQUAL 7.34.0) + add_compile_definitions(USE_CURL_FOR_IMAP_SEND) + endif() +endif() + +if(NOT EXPAT_FOUND) + list(APPEND excluded_progs git-http-push) + add_compile_definitions(NO_EXPAT) +else() + list(APPEND PROGRAMS_BUILT git-http-push) + if(EXPAT_VERSION_STRING VERSION_LESS_EQUAL 1.2) + add_compile_definitions(EXPAT_NEEDS_XMLPARSE_H) + endif() +endif() + +list(REMOVE_DUPLICATES excluded_progs) +list(REMOVE_DUPLICATES PROGRAMS_BUILT) + + +foreach(p ${excluded_progs}) + list(APPEND EXCLUSION_PROGS --exclude-program ${p} ) +endforeach() + +#for comparing null values +list(APPEND EXCLUSION_PROGS empty) +set(EXCLUSION_PROGS_CACHE ${EXCLUSION_PROGS} CACHE STRING "Programs not built" FORCE) + +if(NOT EXISTS ${CMAKE_BINARY_DIR}/command-list.h OR NOT EXCLUSION_PROGS_CACHE STREQUAL EXCLUSION_PROGS) + list(REMOVE_ITEM EXCLUSION_PROGS empty) + message("Generating command-list.h") + execute_process(COMMAND ${SH_EXE} ${CMAKE_SOURCE_DIR}/generate-cmdlist.sh ${EXCLUSION_PROGS} command-list.txt + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + OUTPUT_FILE ${CMAKE_BINARY_DIR}/command-list.h) +endif() + +if(NOT EXISTS ${CMAKE_BINARY_DIR}/config-list.h) + message("Generating config-list.h") + execute_process(COMMAND ${SH_EXE} ${CMAKE_SOURCE_DIR}/generate-configlist.sh + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + OUTPUT_FILE ${CMAKE_BINARY_DIR}/config-list.h) +endif() + +include_directories(${CMAKE_BINARY_DIR}) + +#build +#libgit +parse_makefile_for_sources(libgit_SOURCES "LIB_OBJS") + +list(TRANSFORM libgit_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/") +list(TRANSFORM compat_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/") +add_library(libgit ${libgit_SOURCES} ${compat_SOURCES}) + +#libxdiff +parse_makefile_for_sources(libxdiff_SOURCES "XDIFF_OBJS") + +list(TRANSFORM libxdiff_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/") +add_library(xdiff STATIC ${libxdiff_SOURCES}) + +if(WIN32) + if(NOT MSVC)#use windres when compiling with gcc and clang + add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/git.res + COMMAND ${WINDRES_EXE} -O coff -DMAJOR=${PROJECT_VERSION_MAJOR} -DMINOR=${PROJECT_VERSION_MINOR} + -DMICRO=${PROJECT_VERSION_PATCH} -DPATCHLEVEL=0 -DGIT_VERSION="\\\"${PROJECT_VERSION}.GIT\\\"" + -i ${CMAKE_SOURCE_DIR}/git.rc -o ${CMAKE_BINARY_DIR}/git.res + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + VERBATIM) + else()#MSVC use rc + add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/git.res + COMMAND ${CMAKE_RC_COMPILER} /d MAJOR=${PROJECT_VERSION_MAJOR} /d MINOR=${PROJECT_VERSION_MINOR} + /d MICRO=${PROJECT_VERSION_PATCH} /d PATCHLEVEL=0 /d GIT_VERSION="${PROJECT_VERSION}.GIT" + /fo ${CMAKE_BINARY_DIR}/git.res ${CMAKE_SOURCE_DIR}/git.rc + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} + VERBATIM) + endif() + add_custom_target(git-rc DEPENDS ${CMAKE_BINARY_DIR}/git.res) +endif() + +#link all required libraries to common-main +add_library(common-main OBJECT ${CMAKE_SOURCE_DIR}/common-main.c) + +target_link_libraries(common-main libgit xdiff ${ZLIB_LIBRARIES}) +if(Intl_FOUND) + target_link_libraries(common-main ${Intl_LIBRARIES}) +endif() +if(Iconv_FOUND) + target_link_libraries(common-main ${Iconv_LIBRARIES}) +endif() +if(WIN32) + target_link_libraries(common-main ws2_32 ntdll ${CMAKE_BINARY_DIR}/git.res) + add_dependencies(common-main git-rc) + if(CMAKE_C_COMPILER_ID STREQUAL "GNU") + target_link_options(common-main PUBLIC -municode -Wl,--nxcompat -Wl,--dynamicbase -Wl,--pic-executable,-e,mainCRTStartup) + elseif(CMAKE_C_COMPILER_ID STREQUAL "Clang") + target_link_options(common-main PUBLIC -municode -Wl,-nxcompat -Wl,-dynamicbase -Wl,-entry:wmainCRTStartup -Wl,invalidcontinue.obj) + elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC") + target_link_options(common-main PUBLIC /IGNORE:4217 /IGNORE:4049 /NOLOGO /ENTRY:wmainCRTStartup /SUBSYSTEM:CONSOLE invalidcontinue.obj) + else() + message(FATAL_ERROR "Unhandled compiler: ${CMAKE_C_COMPILER_ID}") + endif() +elseif(UNIX) + target_link_libraries(common-main pthread rt) +endif() + +#git +parse_makefile_for_sources(git_SOURCES "BUILTIN_OBJS") + +list(TRANSFORM git_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/") +add_executable(git ${CMAKE_SOURCE_DIR}/git.c ${git_SOURCES}) +target_link_libraries(git common-main) + +add_executable(git-daemon ${CMAKE_SOURCE_DIR}/daemon.c) +target_link_libraries(git-daemon common-main) + +add_executable(git-http-backend ${CMAKE_SOURCE_DIR}/http-backend.c) +target_link_libraries(git-http-backend common-main) + +add_executable(git-sh-i18n--envsubst ${CMAKE_SOURCE_DIR}/sh-i18n--envsubst.c) +target_link_libraries(git-sh-i18n--envsubst common-main) + +add_executable(git-shell ${CMAKE_SOURCE_DIR}/shell.c) +target_link_libraries(git-shell common-main) + +if(CURL_FOUND) + add_library(http_obj OBJECT ${CMAKE_SOURCE_DIR}/http.c) + + add_executable(git-imap-send ${CMAKE_SOURCE_DIR}/imap-send.c) + target_link_libraries(git-imap-send http_obj common-main ${CURL_LIBRARIES}) + + add_executable(git-http-fetch ${CMAKE_SOURCE_DIR}/http-walker.c ${CMAKE_SOURCE_DIR}/http-fetch.c) + target_link_libraries(git-http-fetch http_obj common-main ${CURL_LIBRARIES}) + + add_executable(git-remote-http ${CMAKE_SOURCE_DIR}/http-walker.c ${CMAKE_SOURCE_DIR}/remote-curl.c) + target_link_libraries(git-remote-http http_obj common-main ${CURL_LIBRARIES} ) + + if(EXPAT_FOUND) + add_executable(git-http-push ${CMAKE_SOURCE_DIR}/http-push.c) + target_link_libraries(git-http-push http_obj common-main ${CURL_LIBRARIES} ${EXPAT_LIBRARIES}) + endif() +endif() + +set(git_builtin_extra + cherry cherry-pick format-patch fsck-objects + init merge-subtree restore show + stage status switch whatchanged) + +#Creating hardlinks +foreach(s ${git_SOURCES} ${git_builtin_extra}) + string(REPLACE "${CMAKE_SOURCE_DIR}/builtin/" "" s ${s}) + string(REPLACE ".c" "" s ${s}) + file(APPEND ${CMAKE_BINARY_DIR}/CreateLinks.cmake "file(CREATE_LINK git${EXE_EXTENSION} git-${s}${EXE_EXTENSION})\n") + list(APPEND git_links ${CMAKE_BINARY_DIR}/git-${s}${EXE_EXTENSION}) +endforeach() + +if(CURL_FOUND) + set(remote_exes + git-remote-https git-remote-ftp git-remote-ftps) + foreach(s ${remote_exes}) + file(APPEND ${CMAKE_BINARY_DIR}/CreateLinks.cmake "file(CREATE_LINK git-remote-http${EXE_EXTENSION} ${s}${EXE_EXTENSION})\n") + list(APPEND git_http_links ${CMAKE_BINARY_DIR}/${s}${EXE_EXTENSION}) + endforeach() +endif() + +add_custom_command(OUTPUT ${git_links} ${git_http_links} + COMMAND ${CMAKE_COMMAND} -P ${CMAKE_BINARY_DIR}/CreateLinks.cmake + DEPENDS git git-remote-http) +add_custom_target(git-links ALL DEPENDS ${git_links} ${git_http_links}) + + +#creating required scripts +set(SHELL_PATH /bin/sh) +set(PERL_PATH /usr/bin/perl) +set(LOCALEDIR ${FALLBACK_RUNTIME_PREFIX}/share/locale) +set(GITWEBDIR ${FALLBACK_RUNTIME_PREFIX}/share/locale) +set(INSTLIBDIR ${FALLBACK_RUNTIME_PREFIX}/share/perl5) + +#shell scripts +parse_makefile_for_scripts(git_sh_scripts "SCRIPT_SH" ".sh") +parse_makefile_for_scripts(git_shlib_scripts "SCRIPT_LIB" "") +set(git_shell_scripts + ${git_sh_scripts} ${git_shlib_scripts} git-instaweb) + +foreach(script ${git_shell_scripts}) + file(STRINGS ${CMAKE_SOURCE_DIR}/${script}.sh content NEWLINE_CONSUME) + string(REPLACE "@SHELL_PATH@" "${SHELL_PATH}" content "${content}") + string(REPLACE "@@DIFF@@" "diff" content "${content}") + string(REPLACE "@LOCALEDIR@" "${LOCALEDIR}" content "${content}") + string(REPLACE "@GITWEBDIR@" "${GITWEBDIR}" content "${content}") + string(REPLACE "@@NO_CURL@@" "" content "${content}") + string(REPLACE "@@USE_GETTEXT_SCHEME@@" "" content "${content}") + string(REPLACE "# @@BROKEN_PATH_FIX@@" "" content "${content}") + string(REPLACE "@@PERL@@" "${PERL_PATH}" content "${content}") + string(REPLACE "@@SANE_TEXT_GREP@@" "-a" content "${content}") + string(REPLACE "@@PAGER_ENV@@" "LESS=FRX LV=-c" content "${content}") + file(WRITE ${CMAKE_BINARY_DIR}/${script} ${content}) +endforeach() + +#perl scripts +parse_makefile_for_scripts(git_perl_scripts "SCRIPT_PERL" ".perl") + +#create perl header +file(STRINGS ${CMAKE_SOURCE_DIR}/perl/header_templates/fixed_prefix.template.pl perl_header ) +string(REPLACE "@@PATHSEP@@" ":" perl_header "${perl_header}") +string(REPLACE "@@INSTLIBDIR@@" "${INSTLIBDIR}" perl_header "${perl_header}") + +foreach(script ${git_perl_scripts}) + file(STRINGS ${CMAKE_SOURCE_DIR}/${script}.perl content NEWLINE_CONSUME) + string(REPLACE "#!/usr/bin/perl" "#!/usr/bin/perl\n${perl_header}\n" content "${content}") + string(REPLACE "@@GIT_VERSION@@" "${PROJECT_VERSION}" content "${content}") + file(WRITE ${CMAKE_BINARY_DIR}/${script} ${content}) +endforeach() + +#python script +file(STRINGS ${CMAKE_SOURCE_DIR}/git-p4.py content NEWLINE_CONSUME) +string(REPLACE "#!/usr/bin/env python" "#!/usr/bin/python" content "${content}") +file(WRITE ${CMAKE_BINARY_DIR}/git-p4 ${content}) + +#perl modules +file(GLOB_RECURSE perl_modules "${CMAKE_SOURCE_DIR}/perl/*.pm") + +foreach(pm ${perl_modules}) + string(REPLACE "${CMAKE_SOURCE_DIR}/perl/" "" file_path ${pm}) + file(STRINGS ${pm} content NEWLINE_CONSUME) + string(REPLACE "@@LOCALEDIR@@" "${LOCALEDIR}" content "${content}") + string(REPLACE "@@NO_PERL_CPAN_FALLBACKS@@" "" content "${content}") + file(WRITE ${CMAKE_BINARY_DIR}/perl/build/lib/${file_path} ${content}) +#test-lib.sh requires perl/build/lib to be the build directory of perl modules +endforeach() + + +#templates +file(GLOB templates "${CMAKE_SOURCE_DIR}/templates/*") +list(TRANSFORM templates REPLACE "${CMAKE_SOURCE_DIR}/templates/" "") +list(REMOVE_ITEM templates ".gitignore") +list(REMOVE_ITEM templates "Makefile") +list(REMOVE_ITEM templates "blt")# Prevents an error when reconfiguring for in source builds + +list(REMOVE_ITEM templates "branches--") +file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/templates/blt/branches) #create branches + +#templates have @.*@ replacement so use configure_file instead +foreach(tm ${templates}) + string(REPLACE "--" "/" blt_tm ${tm}) + string(REPLACE "this" "" blt_tm ${blt_tm})# for this-- + configure_file(${CMAKE_SOURCE_DIR}/templates/${tm} ${CMAKE_BINARY_DIR}/templates/blt/${blt_tm} @ONLY) +endforeach() + + +#translations +if(MSGFMT_EXE) + file(GLOB po_files "${CMAKE_SOURCE_DIR}/po/*.po") + list(TRANSFORM po_files REPLACE "${CMAKE_SOURCE_DIR}/po/" "") + list(TRANSFORM po_files REPLACE ".po" "") + foreach(po ${po_files}) + file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/po/build/locale/${po}/LC_MESSAGES) + add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/po/build/locale/${po}/LC_MESSAGES/git.mo + COMMAND ${MSGFMT_EXE} --check --statistics -o ${CMAKE_BINARY_DIR}/po/build/locale/${po}/LC_MESSAGES/git.mo ${CMAKE_SOURCE_DIR}/po/${po}.po) + list(APPEND po_gen ${CMAKE_BINARY_DIR}/po/build/locale/${po}/LC_MESSAGES/git.mo) + endforeach() + add_custom_target(po-gen ALL DEPENDS ${po_gen}) +endif() + + +#to help with the install +list(TRANSFORM git_shell_scripts PREPEND "${CMAKE_BINARY_DIR}/") +list(TRANSFORM git_perl_scripts PREPEND "${CMAKE_BINARY_DIR}/") + +#install +install(TARGETS git git-shell + RUNTIME DESTINATION bin) +install(PROGRAMS ${CMAKE_BINARY_DIR}/git-cvsserver + DESTINATION bin) + +list(REMOVE_ITEM PROGRAMS_BUILT git git-shell) +install(TARGETS ${PROGRAMS_BUILT} + RUNTIME DESTINATION libexec/git-core) + +set(bin_links + git-receive-pack git-upload-archive git-upload-pack) + +foreach(b ${bin_links}) +install(CODE "file(CREATE_LINK ${CMAKE_INSTALL_PREFIX}/bin/git${EXE_EXTENSION} ${CMAKE_INSTALL_PREFIX}/bin/${b}${EXE_EXTENSION})") +endforeach() + +install(CODE "file(CREATE_LINK ${CMAKE_INSTALL_PREFIX}/bin/git${EXE_EXTENSION} ${CMAKE_INSTALL_PREFIX}/libexec/git-core/git${EXE_EXTENSION})") +install(CODE "file(CREATE_LINK ${CMAKE_INSTALL_PREFIX}/bin/git-shell${EXE_EXTENSION} ${CMAKE_INSTALL_PREFIX}/libexec/git-core/git-shell${EXE_EXTENSION})") + +foreach(b ${git_links}) + string(REPLACE "${CMAKE_BINARY_DIR}" "" b ${b}) + install(CODE "file(CREATE_LINK ${CMAKE_INSTALL_PREFIX}/bin/git${EXE_EXTENSION} ${CMAKE_INSTALL_PREFIX}/libexec/git-core/${b}${EXE_EXTENSION})") +endforeach() + +foreach(b ${git_http_links}) + string(REPLACE "${CMAKE_BINARY_DIR}" "" b ${b}) + install(CODE "file(CREATE_LINK ${CMAKE_INSTALL_PREFIX}/libexec/git-core/git-remote-http${EXE_EXTENSION} ${CMAKE_INSTALL_PREFIX}/libexec/git-core/${b}${EXE_EXTENSION})") +endforeach() + +install(PROGRAMS ${git_shell_scripts} ${git_perl_scripts} ${CMAKE_BINARY_DIR}/git-p4 + DESTINATION libexec/git-core) + +install(DIRECTORY ${CMAKE_SOURCE_DIR}/mergetools DESTINATION libexec/git-core) +install(DIRECTORY ${CMAKE_BINARY_DIR}/perl/build/lib/ DESTINATION share/perl5 + FILES_MATCHING PATTERN "*.pm") +install(DIRECTORY ${CMAKE_BINARY_DIR}/templates/blt/ DESTINATION share/git-core/templates) + +if(MSGFMT_EXE) + install(DIRECTORY ${CMAKE_BINARY_DIR}/po/build/locale DESTINATION share) +endif() + + +if(BUILD_TESTING) + +#tests-helpers +add_executable(test-fake-ssh ${CMAKE_SOURCE_DIR}/t/helper/test-fake-ssh.c) +target_link_libraries(test-fake-ssh common-main) + +#test-tool +parse_makefile_for_sources(test-tool_SOURCES "TEST_BUILTINS_OBJS") + +list(TRANSFORM test-tool_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/t/helper/") +add_executable(test-tool ${CMAKE_SOURCE_DIR}/t/helper/test-tool.c ${test-tool_SOURCES}) +target_link_libraries(test-tool common-main) + +set_target_properties(test-fake-ssh test-tool + PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/t/helper) + +if(MSVC) + set_target_properties(test-fake-ssh test-tool + PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}/t/helper) + set_target_properties(test-fake-ssh test-tool + PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}/t/helper) +endif() + +#wrapper scripts +set(wrapper_scripts + git git-upload-pack git-receive-pack git-upload-archive git-shell git-remote-ext) + +set(wrapper_test_scripts + test-fake-ssh test-tool) + + +foreach(script ${wrapper_scripts}) + file(STRINGS ${CMAKE_SOURCE_DIR}/wrap-for-bin.sh content NEWLINE_CONSUME) + string(REPLACE "@@BUILD_DIR@@" "${CMAKE_BINARY_DIR}" content "${content}") + string(REPLACE "@@PROG@@" "${script}${EXE_EXTENSION}" content "${content}") + file(WRITE ${CMAKE_BINARY_DIR}/bin-wrappers/${script} ${content}) +endforeach() + +foreach(script ${wrapper_test_scripts}) + file(STRINGS ${CMAKE_SOURCE_DIR}/wrap-for-bin.sh content NEWLINE_CONSUME) + string(REPLACE "@@BUILD_DIR@@" "${CMAKE_BINARY_DIR}" content "${content}") + string(REPLACE "@@PROG@@" "t/helper/${script}${EXE_EXTENSION}" content "${content}") + file(WRITE ${CMAKE_BINARY_DIR}/bin-wrappers/${script} ${content}) +endforeach() + +file(STRINGS ${CMAKE_SOURCE_DIR}/wrap-for-bin.sh content NEWLINE_CONSUME) +string(REPLACE "@@BUILD_DIR@@" "${CMAKE_BINARY_DIR}" content "${content}") +string(REPLACE "@@PROG@@" "git-cvsserver" content "${content}") +file(WRITE ${CMAKE_BINARY_DIR}/bin-wrappers/git-cvsserver ${content}) + +#options for configuring test options +option(PERL_TESTS "Perform tests that use perl" ON) +option(PYTHON_TESTS "Perform tests that use python" ON) + +#GIT-BUILD-OPTIONS +set(TEST_SHELL_PATH ${SHELL_PATH}) +set(DIFF diff) +set(PYTHON_PATH /usr/bin/python) +set(TAR tar) +set(NO_CURL ) +set(NO_EXPAT ) +set(USE_LIBPCRE1 ) +set(USE_LIBPCRE2 ) +set(NO_LIBPCRE1_JIT ) +set(NO_PERL ) +set(NO_PTHREADS ) +set(NO_PYTHON ) +set(PAGER_ENV "LESS=FRX LV=-c") +set(DC_SHA1 YesPlease) +set(RUNTIME_PREFIX true) +set(NO_GETTEXT ) + +if(NOT CURL_FOUND) + set(NO_CURL 1) +endif() + +if(NOT EXPAT_FOUND) + set(NO_EXPAT 1) +endif() + +if(NOT Intl_FOUND) + set(NO_GETTEXT 1) +endif() + +if(NOT PERL_TESTS) + set(NO_PERL 1) +endif() + +if(NOT PYTHON_TESTS) + set(NO_PYTHON 1) +endif() + +file(WRITE ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "SHELL_PATH='${SHELL_PATH}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "TEST_SHELL_PATH='${TEST_SHELL_PATH}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "PERL_PATH='${PERL_PATH}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "DIFF='${DIFF}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "PYTHON_PATH='${PYTHON_PATH}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "TAR='${TAR}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_CURL='${NO_CURL}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_EXPAT='${NO_EXPAT}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "USE_LIBPCRE1='${USE_LIBPCRE1}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_LIBPCRE1_JIT='${NO_LIBPCRE1_JIT}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_PERL='${NO_PERL}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_PTHREADS='${NO_PTHREADS}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_UNIX_SOCKETS='${NO_UNIX_SOCKETS}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "PAGER_ENV='${PAGER_ENV}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "DC_SHA1='${DC_SHA1}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "X='${EXE_EXTENSION}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_GETTEXT='${NO_GETTEXT}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "RUNTIME_PREFIX='${RUNTIME_PREFIX}'\n") +file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "NO_PYTHON='${NO_PYTHON}'\n") +if(WIN32) + file(APPEND ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS "PATH=\"$PATH:$TEST_DIRECTORY/../compat/vcbuild/vcpkg/installed/x64-windows/bin\"\n") +endif() + +#Make the tests work when building out of the source tree +get_filename_component(CACHE_PATH ${CMAKE_CURRENT_LIST_DIR}/../../CMakeCache.txt ABSOLUTE) +if(NOT ${CMAKE_BINARY_DIR}/CMakeCache.txt STREQUAL ${CACHE_PATH}) + file(RELATIVE_PATH BUILD_DIR_RELATIVE ${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR}/CMakeCache.txt) + string(REPLACE "/CMakeCache.txt" "" BUILD_DIR_RELATIVE ${BUILD_DIR_RELATIVE}) + #Setting the build directory in test-lib.sh before running tests + file(WRITE ${CMAKE_BINARY_DIR}/CTestCustom.cmake + "file(STRINGS ${CMAKE_SOURCE_DIR}/t/test-lib.sh GIT_BUILD_DIR_REPL REGEX \"GIT_BUILD_DIR=(.*)\")\n" + "file(STRINGS ${CMAKE_SOURCE_DIR}/t/test-lib.sh content NEWLINE_CONSUME)\n" + "string(REPLACE \"\${GIT_BUILD_DIR_REPL}\" \"GIT_BUILD_DIR=\\\"$TEST_DIRECTORY/../${BUILD_DIR_RELATIVE}\\\"\" content \"\${content}\")\n" + "file(WRITE ${CMAKE_SOURCE_DIR}/t/test-lib.sh \${content})") + #misc copies + file(COPY ${CMAKE_SOURCE_DIR}/t/chainlint.sed DESTINATION ${CMAKE_BINARY_DIR}/t/) + file(COPY ${CMAKE_SOURCE_DIR}/po/is.po DESTINATION ${CMAKE_BINARY_DIR}/po/) + file(COPY ${CMAKE_SOURCE_DIR}/mergetools/tkdiff DESTINATION ${CMAKE_BINARY_DIR}/mergetools/) + file(COPY ${CMAKE_SOURCE_DIR}/contrib/completion/git-prompt.sh DESTINATION ${CMAKE_BINARY_DIR}/contrib/completion/) + file(COPY ${CMAKE_SOURCE_DIR}/contrib/completion/git-completion.bash DESTINATION ${CMAKE_BINARY_DIR}/contrib/completion/) +endif() + +file(GLOB test_scipts "${CMAKE_SOURCE_DIR}/t/t[0-9]*.sh") + +#test +foreach(tsh ${test_scipts}) + add_test(NAME ${tsh} + COMMAND ${SH_EXE} ${tsh} + WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/t) +endforeach() + +endif()#BUILD_TESTING |