forked from git/git
/
CMakeLists.txt
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/
CMakeLists.txt
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#
# 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.
Visual Studio does not produce a .sln solution file nor the .vcxproj files
that may be required by VS extension tools.
To generate the .sln/.vcxproj files run CMake manually, as described below.
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). The project .sln and .vcxproj files are also generated.
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 will install vcpkg locally to your source tree on configuration,
to avoid this, add `-DNO_VCPKG=TRUE` to the command line when configuring.
The Visual Studio default generator changed in v16.6 from its Visual Studio
implemenation to `Ninja` This required changes to many CMake scripts.
]]
cmake_minimum_required(VERSION 3.14)
#set the source directory to root of git
set(CMAKE_SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
option(USE_VCPKG "Whether or not to use vcpkg for obtaining dependencies. Only applicable to Windows platforms" ON)
if(NOT WIN32)
set(USE_VCPKG OFF CACHE BOOL "" FORCE)
endif()
if(NOT DEFINED CMAKE_EXPORT_COMPILE_COMMANDS)
set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
endif()
if(USE_VCPKG)
set(VCPKG_DIR "${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg")
if(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 ${VCPKG_ARCH})
endif()
if(NOT EXISTS ${VCPKG_ARCH})
message("VCPKG_ARCH: unset, using 'x64-windows'")
set(VCPKG_ARCH "x64-windows") # default from vcpkg_install.bat
endif()
list(APPEND CMAKE_PREFIX_PATH "${VCPKG_DIR}/installed/${VCPKG_ARCH}")
# In the vcpkg edition, we need this to be able to link to libcurl
set(CURL_NO_CURL_CMAKE ON)
# Copy the necessary vcpkg DLLs (like iconv) to the install dir
set(X_VCPKG_APPLOCAL_DEPS_INSTALL ON)
set(CMAKE_TOOLCHAIN_FILE ${VCPKG_DIR}/scripts/buildsystems/vcpkg.cmake CACHE STRING "Vcpkg toolchain file")
endif()
find_program(SH_EXE sh PATHS "C:/Program Files/Git/bin" "$ENV{LOCALAPPDATA}/Programs/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
#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()
macro(parse_makefile_for_executables list_var regex)
file(STRINGS ${CMAKE_SOURCE_DIR}/Makefile ${list_var} REGEX "^${regex} \\+= git-(.*)")
string(REPLACE "${regex} +=" "" ${list_var} ${${list_var}})
string(STRIP ${${list_var}} ${list_var}) #remove trailing/leading whitespaces
string(REPLACE "git-" "" ${list_var} ${${list_var}}) #strip `git-` prefix
string(REPLACE "\$X" ";" ${list_var} ${${list_var}}) #strip $X, ; 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()
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()
find_package(PkgConfig)
if(PkgConfig_FOUND)
pkg_check_modules(PCRE2 libpcre2-8)
if(PCRE2_FOUND)
add_compile_definitions(USE_LIBPCRE2)
endif()
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(PCRE2_FOUND)
include_directories(SYSTEM ${PCRE2_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()
if(NO_GETTEXT)
message(STATUS "msgfmt not used under NO_GETTEXT")
else()
find_program(MSGFMT_EXE msgfmt)
if(NOT MSGFMT_EXE)
if(USE_VCPKG)
set(MSGFMT_EXE ${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg/downloads/tools/msys2/msys64/usr/bin/msgfmt.exe)
endif()
if(NOT EXISTS ${MSGFMT_EXE})
message(WARNING "Text Translations won't be built")
unset(MSGFMT_EXE)
endif()
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 ${CMAKE_BINARY_DIR})
add_compile_options(/MP /std:c11)
endif()
#default behaviour
include_directories(${CMAKE_SOURCE_DIR})
# When cross-compiling, define HOST_CPU as the canonical name of the CPU on
# which the built Git will run (for instance "x86_64").
if(NOT HOST_CPU)
add_compile_definitions(GIT_HOST_CPU="${CMAKE_SYSTEM_PROCESSOR}")
else()
add_compile_definitions(GIT_HOST_CPU="${HOST_CPU}")
endif()
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"
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)
# Move system config into top-level /etc/
add_compile_definitions(FALLBACK_RUNTIME_PREFIX="${FALLBACK_RUNTIME_PREFIX}"
ETC_GITATTRIBUTES="../etc/gitattributes"
ETC_GITCONFIG="../etc/gitconfig")
else()
set(FALLBACK_RUNTIME_PREFIX /home/$ENV{USER})
add_compile_definitions(FALLBACK_RUNTIME_PREFIX="${FALLBACK_RUNTIME_PREFIX}"
ETC_GITATTRIBUTES="etc/gitattributes"
ETC_GITCONFIG="etc/gitconfig")
endif()
#Platform Specific
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
include_directories(${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
HAVE_WPGMPTR ENSURE_MSYSTEM_IS_SET HAVE_RTLGENRANDOM)
list(APPEND compat_SOURCES
compat/mingw.c
compat/winansi.c
compat/win32/flush.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 unix-stream-server.c compat/linux/procinfo.c)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
list(APPEND compat_SOURCES compat/simple-ipc/ipc-shared.c compat/simple-ipc/ipc-win32.c)
add_compile_definitions(SUPPORTS_SIMPLE_IPC)
set(SUPPORTS_SIMPLE_IPC 1)
else()
# Simple IPC requires both Unix sockets and pthreads on Unix-based systems.
if(NOT NO_UNIX_SOCKETS AND NOT NO_PTHREADS)
list(APPEND compat_SOURCES compat/simple-ipc/ipc-shared.c compat/simple-ipc/ipc-unix-socket.c)
add_compile_definitions(SUPPORTS_SIMPLE_IPC)
set(SUPPORTS_SIMPLE_IPC 1)
endif()
endif()
if(SUPPORTS_SIMPLE_IPC)
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
add_compile_definitions(HAVE_FSMONITOR_DAEMON_BACKEND)
list(APPEND compat_SOURCES compat/fsmonitor/fsm-listen-win32.c)
list(APPEND compat_SOURCES compat/fsmonitor/fsm-health-win32.c)
add_compile_definitions(HAVE_FSMONITOR_OS_SETTINGS)
list(APPEND compat_SOURCES compat/fsmonitor/fsm-settings-win32.c)
elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
add_compile_definitions(HAVE_FSMONITOR_DAEMON_BACKEND)
list(APPEND compat_SOURCES compat/fsmonitor/fsm-listen-darwin.c)
list(APPEND compat_SOURCES compat/fsmonitor/fsm-health-darwin.c)
add_compile_definitions(HAVE_FSMONITOR_OS_SETTINGS)
list(APPEND compat_SOURCES compat/fsmonitor/fsm-settings-darwin.c)
endif()
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 scalar)
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()
if(NOT EXISTS ${CMAKE_BINARY_DIR}/hook-list.h)
message("Generating hook-list.h")
execute_process(COMMAND ${SH_EXE} ${CMAKE_SOURCE_DIR}/generate-hooklist.sh
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_FILE ${CMAKE_BINARY_DIR}/hook-list.h)
endif()
include_directories(${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 ${libxdiff_SOURCES})
#reftable
parse_makefile_for_sources(reftable_SOURCES "REFTABLE_OBJS")
list(TRANSFORM reftable_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/")
add_library(reftable STATIC ${reftable_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 reftable ${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(PCRE2_FOUND)
target_link_libraries(common-main ${PCRE2_LIBRARIES})
target_link_directories(common-main PUBLIC ${PCRE2_LIBRARY_DIRS})
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)
add_executable(scalar ${CMAKE_SOURCE_DIR}/scalar.c)
target_link_libraries(scalar 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()
parse_makefile_for_executables(git_builtin_extra "BUILT_INS")
option(SKIP_DASHED_BUILT_INS "Skip hardlinking the dashed versions of the built-ins")
#Creating hardlinks
if(NOT SKIP_DASHED_BUILT_INS)
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()
endif()
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 "@@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
foreach(program ${PROGRAMS_BUILT})
if(program MATCHES "^(git|git-shell|scalar)$")
install(TARGETS ${program}
RUNTIME DESTINATION bin)
else()
install(TARGETS ${program}
RUNTIME DESTINATION libexec/git-core)
endif()
endforeach()
install(PROGRAMS ${CMAKE_BINARY_DIR}/git-cvsserver
DESTINATION bin)
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})")
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})")
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 ${CMAKE_SOURCE_DIR}/t/helper/test-fake-ssh.c)
target_link_libraries(test-fake-ssh common-main)
#reftable-tests
parse_makefile_for_sources(test-reftable_SOURCES "REFTABLE_TEST_OBJS")
list(TRANSFORM test-reftable_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/")
#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} ${test-reftable_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 scalar)
set(wrapper_test_scripts