commit: 9a057f02f055237593d0b29fcc9357786a659195
Author: Thomas Deutschmann <whissi <AT> gentoo <DOT> org>
AuthorDate: Fri Aug 30 16:07:50 2019 +0000
Commit: Thomas Deutschmann <whissi <AT> gentoo <DOT> org>
CommitDate: Fri Aug 30 16:07:50 2019 +0000
URL: https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=9a057f02
gen_funcs.sh: Import gcc-* functions from toolchain eclass
Signed-off-by: Thomas Deutschmann <whissi <AT> gentoo.org>
gen_funcs.sh | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/gen_funcs.sh b/gen_funcs.sh
index 3f285e3..381c645 100755
--- a/gen_funcs.sh
+++ b/gen_funcs.sh
@@ -321,6 +321,41 @@ kv_replace() {
var_replace "KV" "${KV}" "${1}"
}
+# Internal func. The first argument is the version info to expand.
+# Query the preprocessor to improve compatibility across different
+# compilers rather than maintaining a --version flag matrix. #335943
+_gcc_fullversion() {
+ local ver="$1"; shift
+ set -- $($(tc-getCPP "$@") -E -P - <<<"__GNUC__ __GNUC_MINOR__
__GNUC_PATCHLEVEL__")
+ eval echo "$ver"
+}
+
+# @FUNCTION: gcc-fullversion
+# @RETURN: compiler version (major.minor.micro: [3.4.6])
+gcc-fullversion() {
+ _gcc_fullversion '$1.$2.$3' "$@"
+}
+# @FUNCTION: gcc-version
+# @RETURN: compiler version (major.minor: [3.4].6)
+gcc-version() {
+ _gcc_fullversion '$1.$2' "$@"
+}
+# @FUNCTION: gcc-major-version
+# @RETURN: major compiler version (major: [3].4.6)
+gcc-major-version() {
+ _gcc_fullversion '$1' "$@"
+}
+# @FUNCTION: gcc-minor-version
+# @RETURN: minor compiler version (minor: 3.[4].6)
+gcc-minor-version() {
+ _gcc_fullversion '$2' "$@"
+}
+# @FUNCTION: gcc-micro-version
+# @RETURN: micro compiler version (micro: 3.4.[6])
+gcc-micro-version() {
+ _gcc_fullversion '$3' "$@"
+}
+
gen_die() {
set +x
