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build system now supports more build environments #30

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29 changes: 19 additions & 10 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,24 +1,30 @@
cmake_minimum_required(VERSION 3.5.0 FATAL_ERROR)

project(demumble CXX)

if (UNIX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fno-exceptions -fno-rtti")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")

if (${CMAKE_GENERATOR} STREQUAL "Ninja")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color")
endif()

# 10.9 chosen somewhat arbitrary; it's the first target where clang defaults
# to libc++ and ld64 defaults to stripping __TEXT,__eh_frame.
if (APPLE)
elseif(APPLE)
# 10.9 chosen somewhat arbitrary; it's the first target where clang defaults
# to libc++ and ld64 defaults to stripping __TEXT,__eh_frame.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.9")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-PIC")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -no-pie")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -no-pie")
endif()
endif()
# Folks may want to use MSYS2, MINGW, or any
# such build environment while using Clang on Windows:
elseif(WIN32 AND CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fno-exceptions -fno-rtti")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")

if (WIN32)
if (${CMAKE_GENERATOR} STREQUAL "Ninja")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color")
endif()
elseif(WIN32 AND CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
# https://gitlab.kitware.com/cmake/cmake/-/issues/20610
string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REGEX REPLACE "/EHsc" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
Expand All @@ -33,9 +39,12 @@ if (WIN32)
# This is apparently the simplest way to statically link the CRT in CMake:
string(TOUPPER "${CMAKE_BUILD_TYPE}" build)
set(flag_var "CMAKE_CXX_FLAGS_${build}")
if(${flag_var} MATCHES "/MD")

if (${flag_var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif()
else()
message(FATAL_ERROR "unknown compiler, cannot continue build")
endif()

include_directories(third_party/llvm/include)
Expand Down