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perf: some compiler flag optimizations

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https://stackoverflow.com/questions/6687630/how-to-remove-unused-c-c-symbols-with-gcc-and-ld
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javalsai
2025-08-27 19:54:24 +02:00
parent 6d9107b360
commit b58bd50e64
1 changed files with 3 additions and 2 deletions
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5
Makefile
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@@ -9,10 +9,11 @@ ODIR=dist
PREFIX=/usr PREFIX=/usr
CC?=gcc CC?=gcc
CFLAGS?=-O3 -Wall CFLAGS?=-O3 -Wall -fdata-sections -ffunction-sections
# C PreProcessor flags, not C Plus Plus # C PreProcessor flags, not C Plus Plus
CPPFLAGS?= CPPFLAGS?=
ALLFLAGS=$(CFLAGS) $(CPPFLAGS) -I$(IDIR) ALLFLAGS=$(CFLAGS) $(CPPFLAGS) -I$(IDIR)
LDFLAGS?=-Wl,--gc-sections
LIBS=-lpam LIBS=-lpam
@@ -41,7 +42,7 @@ $(ODIR)/%.o: $(CDIR)/%.c $(DEPS)
$(CC) -c -o $@ $< $(ALLFLAGS) $(CC) -c -o $@ $< $(ALLFLAGS)
lidm: $(OBJ) lidm: $(OBJ)
$(CC) -o $@ $^ $(ALLFLAGS) $(LIBS) $(CC) -o $@ $^ $(ALLFLAGS) $(LIBS) $(LDFLAGS)
clean: clean:
rm -f $(ODIR)/*.o lidm rm -f $(ODIR)/*.o lidm