From 3f5922a5b68b84a9b23c89b9338c4a8dfe52f7b1 Mon Sep 17 00:00:00 2001
From: Alessandro Iezzi <aiezzi@alessandroiezzi.it>
Date: Fri, 2 Aug 2024 17:13:05 +0200
Subject: Add script to generate Makefile

---
 Makefile           | 52 +++++++++++++++++++++++++--------------
 config.mk          |  2 +-
 scripts/buildmk.sh | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 106 insertions(+), 19 deletions(-)
 create mode 100755 scripts/buildmk.sh

diff --git a/Makefile b/Makefile
index e7e56c4..752994d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,12 @@
 include config.mk
 
-OBJ = utils/string.o properties-parser.o properties-lexer.o
+SRC = utils/string.c properties-parser.c properties-lexer.c
+STATIC_OBJ = build/static/utils/string.o build/static/properties-parser.o build/static/properties-lexer.o
+SHARED_OBJ = build/shared/utils/string.o build/shared/properties-parser.o build/shared/properties-lexer.o
 
-CFLAGS  = -DVERSION=${VER}
+CFLAGS  = -DVERSION=
 LFLAGS  = -ll -ly
 
-
 all: lib${NAME}.a lib${NAME}.so
 
 # Generate the lexer source
@@ -19,23 +20,38 @@ properties-parser.h properties-parser.c: properties.y
 	@mv y.tab.c properties-parser.c
 	@mv y.tab.h properties-parser.h
 
-.c.o:
-	${CC} ${CFLAGS} -c $< -o $@
-
-build_static:
-	@make clean ${OBJ}
-
-build_shared:
-	@make CFLAGS="${CFLAGS} -fPIC" clean ${OBJ}
+lib${NAME}.a: ${STATIC_OBJ}
+	${CC} ${STATIC_OBJ} -o $@ ${LFLAGS}
 
-lib${NAME}.a: build_static
-	${CC} ${OBJ} -o $@ ${LFLAGS}
-
-lib${NAME}.so: build_shared
-	${CC} ${OBJ} -o $@ ${LFLAGS}
+lib${NAME}.so: ${SHARED_OBJ}
+	${CC} ${SHARED_OBJ} -o $@ ${LFLAGS}
 
 clean:
-	@rm -f ${OBJ} *.core a.out
+	@rm -rf build
 	@rm -f properties-lexer.c lex.*
-	@rm -f properties
 	@rm -f properties-parser.* y.*
+
+build/static/utils/string.o: utils/string.c
+	@mkdir -p build/static/utils
+	${CC} ${CFLAGS} -c utils/string.c -o $@
+
+build/static/properties-parser.o: properties-parser.c
+	@mkdir -p build/static
+	${CC} ${CFLAGS} -c properties-parser.c -o $@
+
+build/static/properties-lexer.o: properties-lexer.c
+	@mkdir -p build/static
+	${CC} ${CFLAGS} -c properties-lexer.c -o $@
+
+build/shared/utils/string.o: utils/string.c
+	@mkdir -p build/shared/utils
+	${CC} ${CFLAGS} -fPIC -c utils/string.c -o $@
+
+build/shared/properties-parser.o: properties-parser.c
+	@mkdir -p build/shared
+	${CC} ${CFLAGS} -fPIC -c properties-parser.c -o $@
+
+build/shared/properties-lexer.o: properties-lexer.c
+	@mkdir -p build/shared
+	${CC} ${CFLAGS} -fPIC -c properties-lexer.c -o $@
+
diff --git a/config.mk b/config.mk
index b936204..5b9e788 100644
--- a/config.mk
+++ b/config.mk
@@ -2,4 +2,4 @@ VER  = 0.0.0-alpha.1
 LEX  = lex
 YACC = yacc
 CC   = cc
-NAME = properties
\ No newline at end of file
+NAME = properties
diff --git a/scripts/buildmk.sh b/scripts/buildmk.sh
new file mode 100755
index 0000000..5edff96
--- /dev/null
+++ b/scripts/buildmk.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+gen_obj()
+{
+	dir=$1
+	for i in $SRC; do
+		echo -n $i | sed "s|^| $1|g" | sed 's/\.c$/.o/g'
+	done
+}
+
+SRC="$(find * -name '*.c') properties-parser.c properties-lexer.c"
+OBJA=$(gen_obj build/static/)
+OBJSO=$(gen_obj build/shared/)
+
+cat << EOF > Makefile
+include config.mk
+
+SRC = $SRC
+STATIC_OBJ =$OBJA
+SHARED_OBJ =$OBJSO
+
+CFLAGS  = -DVERSION=${VER}
+LFLAGS  = -ll -ly
+
+all: lib\${NAME}.a lib\${NAME}.so
+
+# Generate the lexer source
+properties-lexer.c: properties.l
+	\${LEX} properties.l
+	@mv lex.yy.c properties-lexer.c
+
+# Generate the parser source
+properties-parser.h properties-parser.c: properties.y
+	\${YACC} -d properties.y
+	@mv y.tab.c properties-parser.c
+	@mv y.tab.h properties-parser.h
+
+lib\${NAME}.a: \${STATIC_OBJ}
+	\${CC} \${STATIC_OBJ} -o \$@ \${LFLAGS}
+
+lib\${NAME}.so: \${SHARED_OBJ}
+	\${CC} \${SHARED_OBJ} -o \$@ \${LFLAGS}
+
+clean:
+	@rm -rf build
+	@rm -f properties-lexer.c lex.*
+	@rm -f properties-parser.* y.*
+
+EOF
+
+
+for obj in $OBJA; do
+src=$(echo $obj | sed 's/.*\/static\///g' | sed 's/\.o/.c/g')
+cat << EOF >> Makefile
+$obj: $src
+	@mkdir -p $(dirname $obj)
+	\${CC} \${CFLAGS} -c $src -o \$@
+
+EOF
+done
+
+
+for obj in $OBJSO; do
+src=$(echo $obj | sed 's/.*\/shared\///g' | sed 's/\.o/.c/g')
+cat << EOF >> Makefile
+$obj: $src
+	@mkdir -p $(dirname $obj)
+	\${CC} \${CFLAGS} -fPIC -c $src -o \$@
+
+EOF
+done
\ No newline at end of file
-- 
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