[gentoo-dev] [PATCH 2/2] toolchain-funcs.eclass: Add helpful tc-is-{gcc,clang} wrappers

[Michał Górny]

---
 eclass/tests/toolchain-funcs.sh | 28 ++++++++++++++++++++++++++++
 eclass/toolchain-funcs.eclass   | 14 ++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/eclass/tests/toolchain-funcs.sh b/eclass/tests/toolchain-funcs.sh
index 0b9b7d7..d86eee4 100755
--- a/eclass/tests/toolchain-funcs.sh
+++ b/eclass/tests/toolchain-funcs.sh
@@ -118,6 +118,20 @@ export CC=gcc
 )
 tend $?
 
+tbegin "tc-is-gcc (gcc)"
+(
+export CC=gcc
+tc-is-gcc
+)
+tend $?
+
+tbegin "! tc-is-clang (gcc)"
+(
+export CC=gcc
+! tc-is-clang
+)
+tend $?
+
 if type -P clang &>/dev/null; then
        tbegin "tc-get-compiler-type (clang)"
        (
@@ -125,6 +139,20 @@ if type -P clang &>/dev/null; then
        [[ $(tc-get-compiler-type) == clang ]]
        )
        tend $?
+
+       tbegin "! tc-is-gcc (clang)"
+       (
+       export CC=clang
+       ! tc-is-gcc
+       )
+       tend $?
+
+       tbegin "tc-is-clang (clang)"
+       (
+       export CC=clang
+       tc-is-clang
+       )
+       tend $?
 fi
 
 texit
diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass
index 4a45f78..67eab38 100644
--- a/eclass/toolchain-funcs.eclass
+++ b/eclass/toolchain-funcs.eclass
@@ -604,6 +604,20 @@ tc-get-compiler-type() {
        esac
 }
 
+# @FUNCTION: tc-is-gcc
+# @DESCRIPTION:
+# Return true if the current compiler is pure GCC.
+tc-is-gcc() {
+       [[ $(tc-get-compiler-type) == gcc ]]
+}
+
+# @FUNCTION: tc-is-clang
+# @DESCRIPTION:
+# Return true if the current compiler is clang.
+tc-is-clang() {
+       [[ $(tc-get-compiler-type) == clang ]]
+}
+
 # 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
-- 
2.9.0