git.y1.nz

commit b8d6bb7fd2dd1e93cde949bd5f15d709fa54b1be
parent c2341110248b78ab82cef0322dcd5199b9246563
Author: Lior Halphon <LIJI32@gmail.com>
Date:   Thu, 11 May 2023 01:42:46 +0300

Automatic detection of -Oz support

Diffstat:
M
Makefile
9
++++++---

1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
@@ -120,11 +120,9 @@ ifeq ($(shell $(CC) -x c -c $(NULL) -o $(NULL) -Werror -Wpartial-availability 2>
 WARNINGS += -Wpartial-availability
 endif
 
-SIZE_FLAG := z
 # GCC's implementation of this warning has false positives, so we skip it
 ifneq ($(shell $(CC) --version 2>&1 | grep "gcc"), )
 WARNINGS += -Wno-maybe-uninitialized
-SIZE_FLAG := s
 endif
 
 CFLAGS += $(WARNINGS)
@@ -219,7 +217,12 @@ CFLAGS += -g
 else ifeq ($(CONF), release)
 CFLAGS += -O3 -ffast-math -DNDEBUG
 # The frontend code is not time-critical, prefer reducing the size for less memory use and better cache utilization 
-FRONTEND_CFLAGS += -O$(SIZE_FLAG)
+ifeq ($(shell $(CC) -x c -c $(NULL) -o $(NULL) -Werror -Oz 2> $(NULL); echo $$?),0)
+FRONTEND_CFLAGS += -Oz
+else
+FRONTEND_CFLAGS += -Os
+endif
+
 STRIP := strip
 CODESIGN := true
 ifeq ($(PLATFORM),Darwin)

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