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CMake: Enable PIC on Linux

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Otherwise ASLR does not work. Also stops LTO builds crashing in the
middle of Qt on Fedora.
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Stenzek 2024-08-24 18:32:28 +10:00
parent 72fc81a705
commit 41fb5d3d9a
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2 changed files with 8 additions and 1 deletions
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7
CMakeLists.txt
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@ -34,6 +34,13 @@ detect_cache_line_size()
# Build options. Depends on system attributes.
include(DuckStationBuildOptions)
# Enable PIC on Linux, otherwise the builds do not support ASLR.
if(LINUX OR BSD)
include(CheckPIESupported)
check_pie_supported()
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
endif()
# Set _DEBUG macro for Debug builds.
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")

2
scripts/deps/build-dependencies-linux.sh
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@ -143,7 +143,7 @@ echo "Building libbacktrace..."
rm -fr "libbacktrace-$LIBBACKTRACE"
unzip "$LIBBACKTRACE.zip"
cd "libbacktrace-$LIBBACKTRACE"
./configure --prefix="$INSTALLDIR"
./configure --prefix="$INSTALLDIR" --with-pic
make
make install
cd ..