Imported from libpng-1.2.0beta5.tar

This commit is contained in:
Glenn Randers-Pehrson
2001-08-07 22:25:59 -05:00
parent b182893c04
commit 1ea0ff34fa
55 changed files with 254 additions and 204 deletions

View File

@@ -5,6 +5,8 @@
# CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
# WARNING: The assembler code in pnggccrd.c may not be thread safe.
# NOTE: When testing MMX performance on a multitasking system, make sure
# there are no floating-point programs (e.g., SETI@Home) running in
# the background! Context switches between MMX and FPU are expensive.
@@ -30,15 +32,17 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
# for pgcc version 2.95.1, -O3 is buggy; don't use it.
# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
### for generic gcc:
CFLAGS=-DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall \
-O3 $(ALIGN) -funroll-loops \
-fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5
### for gcc 2.95.2 on 686:
#CFLAGS=-DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
### for gcc 2.7.2.3 on 486 and up:
#CFLAGS=-DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
# -m486 -malign-double -ffast-math \
# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
@@ -51,7 +55,7 @@ RANLIB=ranlib
# read libpng.txt or png.h to see why PNGMAJ is 3. You should not
# have to change it.
PNGMAJ = 3
PNGMIN = 1.2.0beta4
PNGMIN = 1.2.0beta5
PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include
@@ -71,20 +75,10 @@ OBJSDLL = $(OBJS:.o=.pic.o)
all: libpng.a libpng.so pngtest pngtest-static
pnggccrd.o: pnggccrd.c png.h pngconf.h
@echo ""
@echo ' You can ignore the single "control reaches end of non-void function"'
@echo ' warning and multiple "<variable> defined but not used" warnings:'
@echo ""
$(CC) -c $(CFLAGS) -o $@ $*.c
@echo ""
pnggccrd.pic.o: pnggccrd.c png.h pngconf.h
@echo ""
@echo ' You can ignore the single "control reaches end of non-void function"'
@echo ' warning and multiple "<variable> defined but not used" warnings:'
@echo ""
$(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c
@echo ""
libpng.a: $(OBJS)
ar rc $@ $(OBJS)