halved binary size by using nostdlib

henkman · Feb 9, 2015 · e602739 · e602739
1 parent cb91e06
commit e602739
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/Makefile b/Makefile
@@ -1,8 +1,9 @@
 
 SRCS=virgo.c
 OBJS=$(SRCS:.c=.o)
-CFLAGS=-O2 -std=c99 -Wall -fno-ident -ffunction-sections -fdata-sections
-LDFLAGS=-static -s -lgdi32 -Wl,-subsystem,windows,--gc-sections
+CFLAGS=-O2 -nostdlib -Wall -fno-ident -ffunction-sections -fdata-sections -DRELEASE=1
+LIBS=-luser32 -lshell32 -lmsvcrt -lkernel32
+LDFLAGS=-static -nostdlib -fno-builtin -s -lgdi32 -Wl,-subsystem,windows,--gc-sections $(LIBS)
 ARCH=32
 ifeq ($(ARCH), 64)
 	WINDRES_ARCH=pe-x86-64

diff --git a/virgo.c b/virgo.c
@@ -274,7 +274,12 @@ static void virgo_go_to_desk(Virgo *v, int desk)
 	trayicon_set(&v->trayicon, v->current+1);
 }
 
+#ifdef RELEASE
+int main(void) asm("main");
+int main(void)
+#else
 int main(int argc, char **argv)
+#endif
 {
 	Virgo v;
 	MSG msg;