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Use cmake POSITION_INDEPENDENT_CODE instead of hardcoding -pie -fPIE (#1598)

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This fixes unused option warnings on -pie for macOS.
(On macOS cmake produces "-fPIE -Xlinker -pie")

Bump required cmake version to 3.14 for CheckPIESupported.

References:
https://cmake.org/cmake/help/latest/prop_tgt/POSITION_INDEPENDENT_CODE.html
https://cmake.org/cmake/help/latest/module/CheckPIESupported.html#module:CheckPIESupported
This commit is contained in:
YAMAMOTO Takashi
2022-10-19 02:51:18 +09:00
committed by GitHub
parent e87a554616
commit 654ac5feca
12 changed files with 68 additions and 26 deletions
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2
CMakeLists.txt
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@ -107,8 +107,6 @@ set (WAMR_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR})
include (${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections -pie -fPIE")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wformat -Wformat-security -Wshadow")
# set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wconversion -Wsign-conversion")