fix undefined call order in fclose, possible lost output depending on compiler

[musl] / Makefile

diff --git a/Makefile b/Makefile
index c3d29d2..5c17642 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -21,16 +21,16 @@ LOBJS = $(OBJS:.o=.lo)
 GENH = include/bits/alltypes.h
 
 CFLAGS  = -Os -nostdinc -ffreestanding -std=c99 -D_XOPEN_SOURCE=700 -pipe
-LDFLAGS = -nostdlib -shared -Wl,-Bsymbolic
+LDFLAGS = -nostdlib -shared -fPIC -Wl,-e,_start -Wl,-Bsymbolic-functions
 INC     = -I./include -I./src/internal -I./arch/$(ARCH)
-PIC     = -fPIC
+PIC     = -fPIC -O3
 AR      = $(CROSS_COMPILE)ar
 RANLIB  = $(CROSS_COMPILE)ranlib
 OBJCOPY = $(CROSS_COMPILE)objcopy
 
 ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH))
 
-EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv
+EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl
 EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a)
 CRT_LIBS = lib/crt1.o lib/crti.o lib/crtn.o
 LIBC_LIBS = lib/libc.a
@@ -48,7 +48,7 @@ clean:
        rm -f crt/*.o
        rm -f $(OBJS)
        rm -f $(LOBJS)
-       rm -f $(ALL_LIBS) lib/*
+       rm -f $(ALL_LIBS) lib/*.[ao] lib/*.so
        rm -f $(ALL_TOOLS)
        rm -f $(GENH) 
        rm -f include/bits
@@ -74,22 +74,20 @@ include/bits/alltypes.h: include/bits/alltypes.h.sh
 %.lo: %.c $(GENH)
        $(CC) $(CFLAGS) $(INC) $(PIC) -c -o $@ $<
 
-lib:
-       mkdir -p lib
-
-lib/libc.so: $(LOBJS) lib
+lib/libc.so: $(LOBJS)
        $(CC) $(LDFLAGS) -o $@ $(LOBJS) -lgcc
        $(OBJCOPY) --weaken $@
 
-lib/libc.a: $(OBJS) lib
+lib/libc.a: $(OBJS)
        rm -f $@
        $(AR) rc $@ $(OBJS)
        $(RANLIB) $@
 
-$(EMPTY_LIBS): lib
+$(EMPTY_LIBS):
+       rm -f $@
        $(AR) rc $@
 
-lib/%.o: crt/%.o lib
+lib/%.o: crt/%.o
        cp $< $@
 
 tools/musl-gcc: tools/gen-musl-gcc.sh config.mak