shithub: rgbds

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Clean up suffix rules
Generate .c files from .l files instead of directly a .o
Improve yacc and lex header generation dependency

--- a/Makefile

+++ b/Makefile

@@ -6,6 +6,9 @@

 # SPDX-License-Identifier: MIT

 #

+.SUFFIXES:

+.SUFFIXES: .h .l .y .c .o

+

 # User-defined variables

 Q		:= @

@@ -66,7 +69,6 @@

 	src/extern/utf8decoder.o \

 	src/version.o

-src/asm/asmy.h: src/asm/asmy.c

 src/asm/globlex.o src/asm/lexer.o src/asm/constexpr.o: src/asm/asmy.h

 rgblink_obj := \

@@ -84,7 +86,6 @@

 	src/extern/err.o \

 	src/version.o

-src/link/parser.h: src/link/parser.c

 src/link/lexer.o: src/link/parser.h

 rgbfix_obj := \

@@ -108,19 +109,24 @@

 rgbfix: ${rgbfix_obj}

 	$Q${CC} ${REALLDFLAGS} -o $@ ${rgbfix_obj}

-rgbgfx: ${rgblink_obj}

-	$Q${CC} ${REALLDFLAGS} ${PNGLDFLAGS} -o $@ ${rgblink_obj} ${PNGLDLIBS}

+rgbgfx: ${rgbgfx_obj}

+	$Q${CC} ${REALLDFLAGS} ${PNGLDFLAGS} -o $@ ${rgbgfx_obj} ${PNGLDLIBS}

 # Rules to process files

+# We want the yacc and lex invocations to pass through our rules

+.y.o:

+.l.o:

+

+# yacc- and lex-generated C files have an accompanying header

+.c.h:

+	$Qtouch $@

+

 .y.c:

 	$Q${YACC} -d ${YFLAGS} -o $@ $<

-.l.o:

-	$Q${RM} $*.c

-	$Q${LEX} ${LFLAGS} -o $*.c $<

-	$Q${CC} ${REALCFLAGS} -c -o $@ $*.c

-	$Q${RM} $*.c

+.l.c:

+	$Q${LEX} ${LFLAGS} -o $@ $<

 .c.o:

 	$Q${CC} ${REALCFLAGS} ${PNGCFLAGS} -c -o $@ $<

--- a/src/link/.gitignore

+++ b/src/link/.gitignore

@@ -1,2 +1,4 @@

 parser.c

 parser.h

+lexer.c

+lexer.h