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authorJason A. Donenfeld <Jason@zx2c4.com>2023-04-05 02:39:44 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2023-04-05 13:50:57 +0200
commit6209d3ee3dd29dfabab8b3d49908fa59b4b91714 (patch)
tree5bced2f34e44a6117f842824e508bbe020daebcd /tunnel/tools/CMakeLists.txt
parent33aded09c620de48dede6a8d086d3739a6b03f05 (diff)
tools: clean unwanted ELF flags from binaries
Fixes warnings on old Android, such as: linker : /data/data/com.wireguard.android/code_cache/bin/wg-quick: unsupported flags DT_FLAGS_1=0x8000001 linker : /data/data/com.wireguard.android/code_cache/bin/wg: unsupported flags DT_FLAGS_1=0x8000001 Reported-by: L.W.Reek <syphyr@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'tunnel/tools/CMakeLists.txt')
-rw-r--r--tunnel/tools/CMakeLists.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/tunnel/tools/CMakeLists.txt b/tunnel/tools/CMakeLists.txt
index 577a8623..da91da76 100644
--- a/tunnel/tools/CMakeLists.txt
+++ b/tunnel/tools/CMakeLists.txt
@@ -28,3 +28,16 @@ add_custom_target(libwg-go.so WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/lib
DESTDIR=${CMAKE_LIBRARY_OUTPUT_DIRECTORY}
BUILDDIR=${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/../generated-src
)
+
+# Strip unwanted ELF sections to prevent DT_FLAGS_1 warnings on old Android versions
+file(GLOB ELF_CLEANER_SOURCES elf-cleaner/*.c elf-cleaner/*.cpp)
+add_custom_target(elf-cleaner COMMENT "Building elf-cleaner" VERBATIM COMMAND "${CMAKE_C_COMPILER}"
+ -O2 -DPACKAGE_NAME="elf-cleaner" -DPACKAGE_VERSION="" -DCOPYRIGHT=""
+ -o "${CMAKE_CURRENT_BINARY_DIR}/elf-cleaner" ${ELF_CLEANER_SOURCES}
+)
+add_custom_command(TARGET libwg.so POST_BUILD VERBATIM COMMAND "${CMAKE_CURRENT_BINARY_DIR}/elf-cleaner"
+ --api-level "${ANDROID_NATIVE_API_LEVEL}" "$<TARGET_FILE:libwg.so>")
+add_dependencies(libwg.so elf-cleaner)
+add_custom_command(TARGET libwg-quick.so POST_BUILD VERBATIM COMMAND "${CMAKE_CURRENT_BINARY_DIR}/elf-cleaner"
+ --api-level "${ANDROID_NATIVE_API_LEVEL}" "$<TARGET_FILE:libwg-quick.so>")
+add_dependencies(libwg-quick.so elf-cleaner)