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cmake and make: minor updates

This commit is contained in:
Markus F.X.J. Oberhumer 2023-01-05 00:57:01 +01:00
parent 72f3e9b25a
commit d9657e9831
4 changed files with 31 additions and 27 deletions
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23
CMakeLists.txt
View File

@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
cmake_minimum_required(VERSION 3.8.0 FATAL_ERROR)
# compilation config options
if(NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/.git")
@ -139,7 +139,7 @@ if(MSVC)
else()
# protect against security threats caused by misguided compiler "optimizations"
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
add_definitions(-fno-delete-null-pointer-checks)
add_definitions(-fno-delete-null-pointer-checks -fno-lifetime-dse)
endif()
add_definitions(-fno-strict-aliasing -fno-strict-overflow -funsigned-char)
# disable overambitious auto-vectorization until this actually gains something
@ -233,15 +233,18 @@ endif()
#***********************************************************************
# "make install"
# "cmake --install ."
#***********************************************************************
# installation prefix and directories
if(NOT CMAKE_INSTALL_PREFIX)
message(FATAL_ERROR "ERROR: CMAKE_INSTALL_PREFIX is not defined.")
#message(FATAL_ERROR "ERROR: CMAKE_INSTALL_PREFIX is not defined.")
message(WARNING "WARNING: CMAKE_INSTALL_PREFIX is not defined.")
endif()
include(GNUInstallDirs)
if(DEFINED CMAKE_INSTALL_FULL_BINDIR)
if(CMAKE_INSTALL_PREFIX)
include(GNUInstallDirs)
endif()
if(CMAKE_INSTALL_PREFIX AND DEFINED CMAKE_INSTALL_FULL_BINDIR)
install(TARGETS upx DESTINATION "${CMAKE_INSTALL_FULL_BINDIR}")
install(FILES
COPYING LICENSE NEWS README THANKS doc/upx-doc.html doc/upx-doc.txt
@ -254,8 +257,8 @@ endif()
# finally print some info about the build configuration
#***********************************************************************
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/maint/src/CMakeLists.extra.txt")
include("${CMAKE_CURRENT_SOURCE_DIR}/maint/src/CMakeLists.extra.txt")
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/maint/make/CMakeLists.maint.txt")
include("${CMAKE_CURRENT_SOURCE_DIR}/maint/make/CMakeLists.maint.txt")
endif()
function(print_var)
@ -268,7 +271,7 @@ endfunction()
print_var(CMAKE_HOST_SYSTEM_NAME CMAKE_HOST_SYSTEM_VERSION)
print_var(CMAKE_SYSTEM_NAME CMAKE_SYSTEM_VERSION)
print_var(CMAKE_CROSSCOMPILING)
print_var(CMAKE_C_COMPILER_ID CMAKE_C_COMPILER_VERSION CMAKE_C_COMPILER_ARCHITECTURE_ID CMAKE_C_PLATFORM_ID CMAKE_C_COMPILER_ABI)
print_var(CMAKE_C_COMPILER_ID CMAKE_C_COMPILER_VERSION CMAKE_C_COMPILER_ARCHITECTURE_ID CMAKE_C_PLATFORM_ID CMAKE_C_COMPILER_ABI)
print_var(CMAKE_CXX_COMPILER_ID CMAKE_CXX_COMPILER_VERSION CMAKE_CXX_COMPILER_ARCHITECTURE_ID CMAKE_CXX_PLATFORM_ID CMAKE_CXX_COMPILER_ABI)
print_var(CMAKE_INSTALL_PREFIX)
print_var(CMAKE_CONFIGURATION_TYPES)
@ -277,7 +280,7 @@ if (CMAKE_BUILD_TYPE AND NOT CMAKE_BUILD_TYPE MATCHES "^(Debug|Release)$")
message(WARNING "WARNING: unsupported CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}; please use \"Debug\" or \"Release\"")
endif()
# final extra sanity checks; in case of problems you can remove these if you know what you are doing
# extra sanity checks to detect incompatible C vs CXX settings
if(NOT ",${CMAKE_C_PLATFORM_ID}," STREQUAL ",${CMAKE_CXX_PLATFORM_ID},")
message(FATAL_ERROR "ERROR: CMAKE_C_PLATFORM_ID CMAKE_CXX_PLATFORM_ID mismatch")
endif()

29
Makefile
View File

@ -2,6 +2,8 @@
# UPX top-level Makefile - needs GNU make and CMake >= 3.13
#
# INFO: this Makefile is just a convenience wrapper for calling CMake
# NOTE: if you only have an older CMake 3.x then you can invoke cmake manually like this:
# mkdir -p build/release
# cd build/release
@ -39,6 +41,7 @@ debug: build/debug
release: build/release
.PHONY: PHONY
.NOTPARALLEL: # because the actual builds use "cmake --parallel"
#***********************************************************************
# extra builds: some pre-defined build configurations
@ -97,21 +100,21 @@ build/extra/cross-linux-arm/release: PHONY; $(call run_config_and_build,$@,Relea
build/extra/cross-linux-arm/%: export CC = arm-linux-gnueabihf-gcc
build/extra/cross-linux-arm/%: export CXX = arm-linux-gnueabihf-g++ -Wno-psabi
# cross compiler: Windows win32 mingw32
build/extra/cross-mingw32/debug: PHONY; $(call run_config_and_build,$@,Debug)
build/extra/cross-mingw32/release: PHONY; $(call run_config_and_build,$@,Release)
build/extra/cross-mingw32/%: export CC = i686-w64-mingw32-gcc
build/extra/cross-mingw32/%: export CXX = i686-w64-mingw32-g++
# cross compiler: Windows x86 win32 MinGW
build/extra/cross-windows-mingw32/debug: PHONY; $(call run_config_and_build,$@,Debug)
build/extra/cross-windows-mingw32/release: PHONY; $(call run_config_and_build,$@,Release)
build/extra/cross-windows-mingw32/%: export CC = i686-w64-mingw32-gcc
build/extra/cross-windows-mingw32/%: export CXX = i686-w64-mingw32-g++
# disable sanitize to avoid link errors with current MinGW-w64 versions
build/extra/cross-mingw32/%: UPX_CMAKE_CONFIG_FLAGS += -DUPX_CONFIG_DISABLE_SANITIZE=1
build/extra/cross-windows-mingw32/%: UPX_CMAKE_CONFIG_FLAGS += -DUPX_CONFIG_DISABLE_SANITIZE=1
# cross compiler: Windows win64 mingw64
build/extra/cross-mingw64/debug: PHONY; $(call run_config_and_build,$@,Debug)
build/extra/cross-mingw64/release: PHONY; $(call run_config_and_build,$@,Release)
build/extra/cross-mingw64/%: export CC = x86_64-w64-mingw32-gcc
build/extra/cross-mingw64/%: export CXX = x86_64-w64-mingw32-g++
# cross compiler: Windows x64 win64 MinGW
build/extra/cross-windows-mingw64/debug: PHONY; $(call run_config_and_build,$@,Debug)
build/extra/cross-windows-mingw64/release: PHONY; $(call run_config_and_build,$@,Release)
build/extra/cross-windows-mingw64/%: export CC = x86_64-w64-mingw32-gcc
build/extra/cross-windows-mingw64/%: export CXX = x86_64-w64-mingw32-g++
# disable sanitize to avoid link errors with current MinGW-w64 versions
build/extra/cross-mingw64/%: UPX_CMAKE_CONFIG_FLAGS += -DUPX_CONFIG_DISABLE_SANITIZE=1
build/extra/cross-windows-mingw64/%: UPX_CMAKE_CONFIG_FLAGS += -DUPX_CONFIG_DISABLE_SANITIZE=1
#***********************************************************************
# check git submodules
@ -129,5 +132,3 @@ endif
ifeq ($(wildcard ./vendor/zlib/crc32.c),)
$(error ERROR: missing git submodule; run 'git submodule update --init')
endif
.NOTPARALLEL: # top-level Makefile is sequential, but actual builds use "cmake --parallel"

2
README.SRC
View File

@ -44,7 +44,7 @@ Short overview
Tools needed to build/modify the UPX sources
--------------------------------------------
- A C++ compiler that supports C++ 14: clang, gcc or msvc
- A C++ compiler that supports C++ 17: clang, gcc or msvc
- GNU make

4
misc/cross-compile-upx-with-podman/20-image-run-shell.sh
View File

@ -34,8 +34,8 @@ podman run "${flags[@]}" "$image" bash -l
# now we can cross-compile UPX for Windows:
# cd /home/upx/src/upx
# rm -rf ./build/extra/cross-mingw64/release
# make build/extra/cross-mingw64/release
# rm -rf ./build/extra/cross-windows-mingw64/release
# make build/extra/cross-windows-mingw64/release
# lots of other cross-compilers are installed:
# - see "ls /usr/bin/*g++*"