android_gcc_flags.md

arm64-v8a

CPPFLAGS

-fpic -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -g -O2 -DNDEBUG -DANDROID -Wa,--noexecstack -Wformat -Werror=format-security

LDFLAGS

-lgcc -no-canonical-prefixes -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -lc -lm

x86_64

CPPFLAGS

-ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -g -O2 -DNDEBUG -DANDROID -Wformat -Wa,--noexecstack -Werror=format-security

LDFLAGS

-lgcc -no-canonical-prefixes -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -lc -lm

mips64

CPPFLAGS

-fpic -finline-functions -ffunction-sections -funwind-tables -fstack-protector-strong -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers -no-canonical-prefixes -g -O2 -DNDEBUG -DANDROID -Wa,--noexecstack -Wformat -Werror=format-security

LDFLAGS

-lgcc -no-canonical-prefixes -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -lc -lm

armeabi-v7a

CPPFLAGS

-fpic -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -g -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp -mthumb -Os -DNDEBUG -DANDROID -Wa,--noexecstack -Wformat -Werror=format-security

LDFLAGS

-lgcc -no-canonical-prefixes -march=armv7-a -Wl,--fix-cortex-a8 -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -lc -lm

armeabi

CPPFLAGS

-fpic -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes -g -march=armv5te -mtune=xscale -msoft-float -mthumb -Os -DNDEBUG -DANDROID -Wa,--noexecstack -Wformat -Werror=format-security

LDFLAGS

-lgcc -no-canonical-prefixes -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -lc -lm

x86

CPPFLAGS

-ffunction-sections -funwind-tables -no-canonical-prefixes -g -fstack-protector-strong -O2 -DNDEBUG -DANDROID -Wa,--noexecstack -Wformat -Werror=format-security

LDFLAGS

-lgcc -no-canonical-prefixes -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -lc -lm

mips

CPPFLAGS

-fpic -finline-functions -ffunction-sections -funwind-tables -fstack-protector-strong -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers -no-canonical-prefixes -g -O2 -DNDEBUG -DANDROID -Wa,--noexecstack -Wformat -Werror=format-security

LDFLAGS

-lgcc -no-canonical-prefixes -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings -lc -lm

Note

For gcc

EXE CFLAGS and CXXFLAGS needs: -fPIE

EXE LDFLAGS needs: -fPIE -pie -Wl,--gc-sections -Wl,-z,nocopyreloc

PIE only work for API 16 and above, and PIE must apply for API 21 and above.