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Merge pull request #221 from rapgenic/staticbuild
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Add static build support
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@SylvainCorlay
SylvainCorlay committed Jan 31, 2021
2 parents ce21069 + 7f3ba37 commit f21198f
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Showing 2 changed files with 97 additions and 58 deletions.
140 changes: 85 additions & 55 deletions CMakeLists.txt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,13 @@ set(XWIDGETS_BINARY_VERSION
${XWIDGETS_BINARY_CURRENT}.${XWIDGETS_BINARY_REVISION}.${XWIDGETS_BINARY_AGE})
message(STATUS "xwidgets binary version: v${XWIDGETS_BINARY_VERSION}")

# Build options
# =============

option(DISABLE_ARCH_NATIVE "disable -march=native flag" OFF)
option(XWIDGETS_BUILD_SHARED_LIBS "Build xwidgets shared library." ON)
option(XWIDGETS_BUILD_STATIC_LIBS "Build xwidgets static library (default if BUILD_SHARED_LIBS is OFF)." ON)

# Dependencies
# ============

Expand Down Expand Up @@ -156,75 +163,98 @@ set(XWIDGETS_SOURCES
${XWIDGETS_SOURCE_DIR}/xvideo.cpp
)

# Output
# ======
# Targets and link
# ================

add_library(xwidgets SHARED ${XWIDGETS_SOURCES} ${XWIDGETS_HEADERS})
target_include_directories(xwidgets PUBLIC $<BUILD_INTERFACE:${XWIDGETS_INCLUDE_DIR}>
$<INSTALL_INTERFACE:include>)
include(CheckCXXCompilerFlag)

target_link_libraries(xwidgets
PUBLIC xtl
PUBLIC xeus)
macro(xwidgets_create_target target_name linkage output_name)
string(TOUPPER "${linkage}" linkage_upper)

set_target_properties(xwidgets PROPERTIES
PUBLIC_HEADER "${XWIDGETS_HEADERS}"
COMPILE_DEFINITIONS "XWIDGETS_EXPORTS"
PREFIX ""
VERSION ${XWIDGETS_BINARY_VERSION}
SOVERSION ${XWIDGETS_BINARY_CURRENT}
OUTPUT_NAME "libxwidgets")
if (NOT ${linkage_upper} MATCHES "^(SHARED|STATIC)$")
message(FATAL_ERROR "Invalid library linkage: ${linkage}")
endif ()

# Compilation flags
# =================
if (${linkage_upper} STREQUAL "STATIC")
set(XEUS_TARGET_NAME xeus-static)
else()
set(XEUS_TARGET_NAME xeus)
endif()

include(CheckCXXCompilerFlag)
string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
OPTION(DISABLE_ARCH_NATIVE "disable -march=native flag" OFF)
# Output
# ======

set_target_properties(xwidgets PROPERTIES
CXX_EXTENSIONS OFF
CXX_STANDARD_REQUIRED 14)
add_library(${target_name} ${linkage_upper} ${XWIDGETS_SOURCES} ${XWIDGETS_HEADERS})
target_include_directories(${target_name} PUBLIC $<BUILD_INTERFACE:${XWIDGETS_INCLUDE_DIR}>
$<INSTALL_INTERFACE:include>)

target_compile_features(xwidgets PRIVATE cxx_std_14)
target_link_libraries(${target_name}
PUBLIC xtl
PUBLIC ${XEUS_TARGET_NAME}
PUBLIC xproperty)

if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
target_compile_options(xwidgets PUBLIC -Wunused-parameter -Wextra -Wreorder)
if (NOT DISABLE_ARCH_NATIVE)
target_compile_options(xwidgets PUBLIC -march=native)
endif()
set_target_properties(${target_name} PROPERTIES
PUBLIC_HEADER "${XWIDGETS_HEADERS}"
COMPILE_DEFINITIONS "XWIDGETS_EXPORTS"
PREFIX ""
VERSION ${XWIDGETS_BINARY_VERSION}
SOVERSION ${XWIDGETS_BINARY_CURRENT}
OUTPUT_NAME "lib${output_name}")

# Compilation flags
# =================

string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)

# Enable link time optimization and set the default symbol
# visibility to hidden (very important to obtain small binaries)
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
# Check for Link Time Optimization support
# (GCC/Clang)
CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG)
if (HAS_LTO_FLAG)
target_compile_options(xwidgets PUBLIC -flto)
set_target_properties(${target_name} PROPERTIES
CXX_EXTENSIONS OFF
CXX_STANDARD_REQUIRED 14)

target_compile_features(${target_name} PRIVATE cxx_std_14)

if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
target_compile_options(${target_name} PUBLIC -Wunused-parameter -Wextra -Wreorder)
if (NOT DISABLE_ARCH_NATIVE)
target_compile_options(${target_name} PUBLIC -march=native)
endif()

# Intel equivalent to LTO is called IPO
if (CMAKE_CXX_COMPILER_ID MATCHES "Intel")
CHECK_CXX_COMPILER_FLAG("-ipo" HAS_IPO_FLAG)
if (HAS_IPO_FLAG)
target_compile_options(xwidgets PUBLIC -ipo)
endif()
message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
endif()

if (${linkage_upper} STREQUAL "STATIC")
target_compile_definitions(${target_name} PUBLIC XWIGDETS_STATIC_LIB)
endif ()

if(MSVC)
target_compile_definitions(${target_name} PUBLIC -DNOMINMAX)
target_compile_options(${target_name} PUBLIC /DGUID_WINDOWS /MP /bigobj)
target_compile_options(${target_name} PUBLIC /wd4251 /wd 4996)
# Allows to compile in debug without requiring each dependencies to
# be compiled in debug
if(${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
set(CMAKE_CXX_FLAGS_DEBUG "/DNDEBUG /MD /Zi /Ob0 /Od /RTC1")
message(STATUS "Overriding CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
endif()
endif()
message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
endmacro()

set(xwidgets_targets "")

if (XWIDGETS_BUILD_SHARED_LIBS)
xwidgets_create_target(xwidgets SHARED xwidgets)
list(APPEND xwidgets_targets xwidgets)
endif()

if(MSVC)
target_compile_definitions(xwidgets PUBLIC -DNOMINMAX)
target_compile_options(xwidgets PUBLIC /DGUID_WINDOWS /MP /bigobj)
target_compile_options(xwidgets PUBLIC /wd4251 /wd 4996)
# Allows to compile in debug without requiring each dependencies to
# be compiled in debug
if(${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
set(CMAKE_CXX_FLAGS_DEBUG "/DNDEBUG /MD /Zi /Ob0 /Od /RTC1")
message(STATUS "Overriding CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
endif()
if (XWIDGETS_BUILD_STATIC_LIBS)
# On Windows, a static library should use a different output name
# to avoid the conflict with the import library of a shared one.
if (CMAKE_HOST_WIN32)
xwidgets_create_target(xwidgets-static STATIC xwidgets-static)
else ()
xwidgets_create_target(xwidgets-static STATIC xwidgets)
endif ()

list(APPEND xwidgets_targets xwidgets-static)
endif()

# Tests
Expand All @@ -246,7 +276,7 @@ endif()

set(XWIDGETS_CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" CACHE STRING "install path for xwidgetsConfig.cmake")

install(TARGETS xwidgets
install(TARGETS ${xwidgets_targets}
EXPORT ${PROJECT_NAME}-targets
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
Expand Down
15 changes: 12 additions & 3 deletions xwidgetsConfig.cmake.in
View file
Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,18 @@
# xwidgets_LIBRARY - the library for dynamic linking

@PACKAGE_INIT@
if(NOT TARGET xwidgets)
if(NOT TARGET xwidgets AND NOT TARGET xwidgets-static)
include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")

get_target_property(@PROJECT_NAME@_INCLUDE_DIR xwidgets INTERFACE_INCLUDE_DIRECTORIES)
get_target_property(@PROJECT_NAME@_LIBRARY xwidgets LOCATION)
if (TARGET xwidgets AND TARGET xwidgets-static)
get_target_property(@PROJECT_NAME@_INCLUDE_DIR xwidgets INTERFACE_INCLUDE_DIRECTORIES)
get_target_property(@PROJECT_NAME@_LIBRARY xwidgets LOCATION)
get_target_property(@PROJECT_NAME@_STATIC_LIBRARY xwidgets-static LOCATION)
elseif (TARGET xwidgets)
get_target_property(@PROJECT_NAME@_INCLUDE_DIR xwidgets INTERFACE_INCLUDE_DIRECTORIES)
get_target_property(@PROJECT_NAME@_LIBRARY xwidgets LOCATION)
elseif (TARGET xwidgets-static)
get_target_property(@PROJECT_NAME@_INCLUDE_DIR xwidgets-static INTERFACE_INCLUDE_DIRECTORIES)
get_target_property(@PROJECT_NAME@_STATIC_LIBRARY xwidgets-static LOCATION)
endif()
endif()

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