diff options
Diffstat (limited to 'eclass/toolchain-funcs.eclass')
| -rw-r--r-- | eclass/toolchain-funcs.eclass | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass index 4b1876b8e09b..1c8090cf75c7 100644 --- a/eclass/toolchain-funcs.eclass +++ b/eclass/toolchain-funcs.eclass @@ -247,13 +247,21 @@ tc-stack-grows-down() { # Export common build related compiler settings. tc-export_build_env() { tc-export "$@" - # Some build envs will initialize vars like: - # : ${BUILD_LDFLAGS:-${LDFLAGS}} - # So make sure all variables are non-empty. #526734 - : ${BUILD_CFLAGS:=-O1 -pipe} - : ${BUILD_CXXFLAGS:=-O1 -pipe} - : ${BUILD_CPPFLAGS:= } - : ${BUILD_LDFLAGS:= } + if tc-is-cross-compiler; then + # Some build envs will initialize vars like: + # : ${BUILD_LDFLAGS:-${LDFLAGS}} + # So make sure all variables are non-empty. #526734 + : ${BUILD_CFLAGS:=-O1 -pipe} + : ${BUILD_CXXFLAGS:=-O1 -pipe} + : ${BUILD_CPPFLAGS:= } + : ${BUILD_LDFLAGS:= } + else + # https://bugs.gentoo.org/654424 + : ${BUILD_CFLAGS:=${CFLAGS}} + : ${BUILD_CXXFLAGS:=${CXXFLAGS}} + : ${BUILD_CPPFLAGS:=${CPPFLAGS}} + : ${BUILD_LDFLAGS:=${LDFLAGS}} + fi export BUILD_{C,CXX,CPP,LD}FLAGS # Some packages use XXX_FOR_BUILD. |