diff options
Diffstat (limited to 'builddefs')
| -rw-r--r-- | builddefs/build_keyboard.mk | 1 | ||||
| -rw-r--r-- | builddefs/build_test.mk | 1 | ||||
| -rw-r--r-- | builddefs/support.mk | 11 |
3 files changed, 13 insertions, 0 deletions
diff --git a/builddefs/build_keyboard.mk b/builddefs/build_keyboard.mk index c2c47c00fb..640dedc31e 100644 --- a/builddefs/build_keyboard.mk +++ b/builddefs/build_keyboard.mk @@ -11,6 +11,7 @@ endif .DEFAULT_GOAL := all include paths.mk +include $(BUILDDEFS_PATH)/support.mk include $(BUILDDEFS_PATH)/message.mk # Helper to add defines with a 'QMK_' prefix diff --git a/builddefs/build_test.mk b/builddefs/build_test.mk index d0de63c6f5..0c5c98e2a3 100644 --- a/builddefs/build_test.mk +++ b/builddefs/build_test.mk @@ -7,6 +7,7 @@ endif OPT = g include paths.mk +include $(BUILDDEFS_PATH)/support.mk include $(BUILDDEFS_PATH)/message.mk TARGET=test/$(TEST_OUTPUT) diff --git a/builddefs/support.mk b/builddefs/support.mk new file mode 100644 index 0000000000..7ef7b9b041 --- /dev/null +++ b/builddefs/support.mk @@ -0,0 +1,11 @@ +# Helper to determine if a compiler option is supported +# Args: +# $(1) = option to test, if successful will be output +# $(2) = option to use if $(1) is not supported +# $(3) = additional arguments to pass to the compiler during the test, but aren't contained in the output +cc-option = $(shell \ + if { echo 'int main(){return 0;}' | $(CC) $(1) $(3) -o /dev/null -x c /dev/null >/dev/null 2>&1; }; \ + then echo "$(1)"; else echo "$(2)"; fi) + +# Helper to pass comma character to make functions (use with `$(,)` to pass in `$(call ...)` arguments) +, := , |