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Adjusted Makefile and remarks to the recent cc65 improvements.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4683 b7a2c559-68d2-44c3-8de9-860c34a00d81
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ol.sc 2010-06-03 16:47:15 +00:00
parent bfbe531f33
commit 9d5d94196f
1 changed files with 13 additions and 30 deletions
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43
doc/make.sgml
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@ -59,7 +59,7 @@ PROGRAM = foobar
ifdef CC65_TARGET
CC = $(CC65_HOME)/bin/cl65
CFLAGS = -t $(CC65_TARGET) --create-dep -O
CFLAGS = -t $(CC65_TARGET) --create-dep $(<:.c=.d) -O
LDFLAGS = -t $(CC65_TARGET) -m $(PROGRAM).map
else
CC = gcc
@ -69,35 +69,27 @@ endif
########################################
ifdef CC65_TARGET
define MAKEDEPEND
sed -e"s!.s:!.o:!p" -e"s![^\t]*\t\(.*\)!\1:!" < $(<:.c=.u) > $(@:.o=.d)
rm -f $(<:.c=.u)
endef
endif
.SUFFIXES:
.PHONY: all
.PHONY: all clean
all: $(PROGRAM)
ifneq ($(MAKECMDGOALS),clean)
-include $(SOURCES:.c=.d)
endif
clean:
rm -f $(SOURCES:.c=.o) $(SOURCES:.c=.d) $(PROGRAM) $(PROGRAM).map
%.o: %.c
$(CC) -c $(CFLAGS) $< -o $@
@$(MAKEDEPEND)
$(CC) -c $(CFLAGS) -o $@ $<
$(PROGRAM): $(SOURCES:.c=.o)
$(CC) $(LDFLAGS) $^ -o $@
$(CC) $(LDFLAGS) -o $@ $^
clean:
$(RM) $(SOURCES:.c=.o) $(SOURCES:.c=.d) $(PROGRAM) $(PROGRAM).map
</verb></tscreen>
<bf/Important:/ When using the sample Makefile above via copy & paste it is
necessary to replace the eight spaces at the beginning of command lines (lines
33, 36, 37 and 40) with a tab character (ASCII code 9).
26, 29 and 32) with a tab character (ASCII code 9).
<sect1>Invoking the sample Makefile<p>
@ -112,11 +104,11 @@ best done on the GNU Make command line like this:
make CC65_TARGET=c64
</verb></tscreen>
The sample Makefile doesn't require cc65 to be "installed" in any way. Rather it
only presumes the single variable <tt/CC65_HOME/ to point to the directory the
cc65 packages were unpacked into. Again there are several ways to define this
The sample Makefile presumes the variable <tt/CC65_HOME/ to point to the
directory cc65 is located in. Again there are several ways to define this
variable but as its value typically won't change often it is best done as an
environment variable.
environment variable. On Windows the cc65 .exe installer package takes care
of creating a <tt/CC65_HOME/ environment variable.
<sect1>Understanding the sample Makefile<p>
@ -126,15 +118,7 @@ Most parts of the sample Makefile follow the guidelines in the
that can be searched online for background information. The automatic generation of
dependency however rather works as described by the GNU Make maintainer Paul D. Smith in
<htmlurl url="http://make.paulandlesley.org/autodep.html#advanced" name="Advanced Auto-Dependencies">.
In the meantime GCC supports this method directly with the preprocessor option
<tt/-MP/ while cc65 requires some post-processing of the dependency file with
<tt/sed/ adding a second line like in this example:
<tscreen><verb>
foo.o: foo.c foo.h bar.h
foo.c foo.h bar.h:
</verb></tscreen>
Fortunately both GCC and cc65 directly support this method in the meantime.
<sect1>Invoking the sample Makefile on Windows<p>
@ -150,7 +134,6 @@ by downloading the following programs:
<itemize>
<item>make.exe: <url url="http://gnuwin32.sourceforge.net/packages/make.htm">
<item>sed.exe: <url url="http://gnuwin32.sourceforge.net/packages/sed.htm">
<item>rm.exe: <url url="http://gnuwin32.sourceforge.net/packages/coreutils.htm">
</itemize>