hanez/fun
1
0
Fork 0
forked from fun/fun
Code Pull requests Activity

Added some basic static linking stuff to CMakeLists.txt for testing things. (-DFUN_LINK_STATIC=ON). (0.37.7)

Browse source
This commit is contained in:
Johannes Findeisen 2025-12-11 23:18:51 +01:00
commit 3f586a90e1
1 changed files with 48 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

49
CMakeLists.txt
View file

@ -1,5 +1,5 @@
cmake_minimum_required(VERSION 3.10)
project(fun VERSION 0.37.6 LANGUAGES C)
project(fun VERSION 0.37.7 LANGUAGES C)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
@ -25,6 +25,44 @@ else()
set(DEFAULT_LIB_DIR "${DEFAULT_LIB_DIR}" CACHE PATH "Default library directory for Fun stdlib (override with -DDEFAULT_LIB_DIR=...)" FORCE)
endif()
# Optional: build statically linked executables
# When enabled, prefer static libraries for all dependencies and request
# fully static linking for executables where the platform/toolchain allows it.
option(FUN_LINK_STATIC "Link fun and tests fully static where possible" OFF)
if(FUN_LINK_STATIC)
message(STATUS "Building Fun statically linked")
# Prefer static libraries for all add_library without explicit type
set(BUILD_SHARED_LIBS OFF)
# Make pkg-config choose static libs
set(PKG_CONFIG_USE_STATIC_LIBS ON)
# Hint find_library to choose static archives first on Unix (not macOS)
# Prefer .a but still allow falling back to shared if static is unavailable.
if(UNIX AND NOT APPLE)
set(CMAKE_FIND_LIBRARY_SUFFIXES .a;.so;.so.0;.so.1)
endif()
# Toolchain-specific static link flags
# Use a "mostly static" approach by default to avoid requiring static
# variants of every system/third-party library. This keeps libgcc and
# libstdc++ static while allowing shared deps when needed.
if(UNIX AND NOT APPLE AND CMAKE_C_COMPILER_ID MATCHES "GNU|Clang")
set(_FUN_STATIC_LINK_FLAGS -static-libgcc -static-libstdc++)
endif()
# On MSVC, prefer the static runtime
if(MSVC)
foreach(flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_C_FLAGS_MINSIZEREL)
if(DEFINED ${flag_var})
string(REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif()
endforeach()
endif()
endif()
# Optional Tcl/Tk GUI support (embedded interpreter)
option(FUN_WITH_TCLTK "Enable Tcl/Tk GUI support" OFF)
set(TCL_INCLUDE_DIRS "")
@ -425,6 +463,15 @@ add_executable(test_opcodes
)
target_link_libraries(test_opcodes PRIVATE fun_core)
# If static linking is requested, apply linker flags to executables
if(FUN_LINK_STATIC AND DEFINED _FUN_STATIC_LINK_FLAGS)
foreach(tgt fun fun_test test_opcodes)
if(TARGET ${tgt})
target_link_options(${tgt} PRIVATE ${_FUN_STATIC_LINK_FLAGS})
endif()
endforeach()
endif()
# Convenience aggregate target (like 'build' in Makefile)
add_custom_target(build
DEPENDS fun fun_test test_opcodes