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23 changes: 11 additions & 12 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ ENDIF()
SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")

OPTION(BUILD_SHARED_LIB "build shared library" OFF)
SET(P7ZIP_SOURCE_DIR "" CACHE PATH "pzip/7zip source code path")
SET(P7ZIP_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/third_party/p7zip" CACHE PATH "pzip/7zip source code path")

IF (NOT IS_DIRECTORY ${P7ZIP_SOURCE_DIR})
MESSAGE(FATAL_ERROR "must proivde p7zip/7zip source path using -DP7ZIP_SOURCE_DIR")
Expand All @@ -39,26 +39,25 @@ SET(P7ZIP_INCLUDE_PATH "${P7ZIP_SOURCE_DIR}"


if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(warnings "-Wall -Wextra -Werror -Wno-unused-parameter -Wno-class-memaccess")
set(no_undefined "-Wl,--no-undefined")
set(warnings -Wall -Wextra -Werror -Wno-unused-parameter)
set(cxx_warnings -Wno-class-memaccess)
set(no_undefined -Wl,--no-undefined)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(warnings "-Wall -Wextra -Werror -Wno-inconsistent-missing-override -Wno-unused-parameter")
set(no_undefined "-Wl,-undefined,error")
set(warnings -Wall -Wextra -Werror -Wno-inconsistent-missing-override -Wno-unused-parameter)
set(cxx_warnings "")
set(no_undefined -Wl,-undefined,error)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
set(warnings "/W4 /WX /EHsc")
set(warnings /W4 /WX /EHsc)
set(no_undefined "")
set(cxx_warnings "")
endif()

SET(CXX_STANDARD_REQUIRED OFF)
SET(CXX_EXTENSION NO)

if (NOT CONFIGURED_ONCE)
set(CMAKE_C_FLAGS "-fPIC ${warnings}"
CACHE STRING "Flags used by the compiler during all build types." FORCE)
set(CMAKE_CXX_FLAGS "-fPIC ${warnings} -std=c++14"
CACHE STRING "Flags used by the compiler during all build types." FORCE)
set(CMAKE_LINK_FLAGS "${no_undefined}"
CACHE STRING "Flags used by the linker during all build types." FORCE)
ADD_COMPILE_OPTIONS(-fPIC -std=c++14 ${warnings} ${cxx_warnings})
ADD_LINK_OPTIONS(${no_undefined})
endif()

ADD_SUBDIRECTORY(src)
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