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build: Update scripts/makefile.*

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Apply the following updates:
 * Tidy up the compiler flag definitions.
 * Update the Darwin, Linux and MSYS makefiles to match the compiler
   flags used in scripts/makefile.clang and scripts/makefile.gcc.
 * Add the `pngtest-static` target in the Darwin makefile, following
   on the Linux makefile.
 * Rewrite some of the implicit make rules to match one another more
   consistently.
 * Make corrections in the copyright years to match git log.
This commit is contained in:
Cosmin Truta
2025-01-21 19:06:43 +02:00
parent 36a16fd761
commit 9cc729b523
25 changed files with 127 additions and 129 deletions
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9
scripts/makefile.sgi
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@@ -1,5 +1,5 @@
# makefile for libpng.a and libpng16.so, SGI IRIX with 'cc'
# Copyright (C) 2020-2024 Cosmin Truta
# Copyright (C) 2018-2025 Cosmin Truta
# Copyright (C) 2001-2002, 2006, 2007, 2010-2014 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
#
@@ -35,11 +35,10 @@ ZLIBINC=../zlib
# See "man abi". zlib must be built with the same ABI.
ABI=
WARNMORE=-fullwarn
# Note: -KPIC is the default anyhow
CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5
#CFLAGS= $(ABI) -O $(WARNMORE) -KPIC # -g
CFLAGS=$(ABI) -O $(WARNMORE) # -g
#CFLAGS=$(ABI) -O -fullwarn -KPIC # -g
CFLAGS=$(ABI) -O -fullwarn # -g
ARFLAGS=rc
LDFLAGS_A=$(ABI) -L. -L$(ZLIBLIB) -lpng16 -lz -lm # -g
LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm # -g
@@ -56,7 +55,7 @@ OBJS = png.o pngerror.o pngget.o pngmem.o pngpread.o \
pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o
.c.o:
$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $*.c
all: libpng.a pngtest shared