From 879fe74e2a18b7b89d35cf1fc0fb8829a1b70b3d Mon Sep 17 00:00:00 2001
From: Paul Oliver <contact@pauloliver.dev>
Date: Thu, 29 Feb 2024 02:29:14 +0100
Subject: Simultaneous Debug and Release builds.

[#29] Makefile now generates both release and debug builds on every
run. Salis.py can load the debug version on demand via a command line
argument (--debug). Release version is loaded by default.
---
 Makefile | 47 ++++++++++++++++++++++++++++++++---------------
 1 file changed, 32 insertions(+), 15 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 156a068..9d88bf6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,29 +1,46 @@
 CC := gcc
-LIB := bin/lib/libsalis.so
+LIB_DEB := bin/lib/libsalis-deb.so
+LIB_REL := bin/lib/libsalis-rel.so
 SOURCES := $(wildcard src/*.c)
-OBJECTS := $(patsubst src/%.c,build/%.o,$(SOURCES))
-DEPS := $(patsubst %.o,%.d,$(OBJECTS))
+OBJECTS_DEB := $(patsubst src/%.c,build/debug/%.o,$(SOURCES))
+OBJECTS_REL := $(patsubst src/%.c,build/release/%.o,$(SOURCES))
+DEPS_DEB := $(patsubst %.o,%.d,$(OBJECTS_DEB))
+DEPS_REL := $(patsubst %.o,%.d,$(OBJECTS_REL))
 LFLAGS := -shared
 
-# uncomment for debug
-# OFLAGS := -ggdb
+# Compiler flags for debug build.
+DEB_FLAGS := -ggdb
 
-# uncomment for release
-OFLAGS := -O3 -DNDEBUG -Wno-unused-function -Wno-unused-result \
+# Compiler flags for release build.
+REL_FLAGS := -O3 -DNDEBUG -Wno-unused-function -Wno-unused-result \
 	-Wno-unused-variable
 
-CFLAGS := -Iinclude -c $(OFLAGS) -MMD -Wall -Wextra -std=c89 -fPIC -fopenmp \
+# General compiler flags.
+CFLAGS := -Iinclude -c -MMD -Wall -Wextra -std=c89 -fPIC -fopenmp \
 	-DSALIS_API="" -DSALIS_INST="" -DSALIS_PROC_ELEMENT="" -pedantic-errors \
 	-Wmissing-prototypes -Wstrict-prototypes -Wold-style-definition
 
-all: $(OBJECTS)
-	$(CC) $(LFLAGS) -fopenmp -o $(LIB) $(OBJECTS)
+# By default, keep a debug and release build available.
+all: debug release
 
--include $(DEPS)
+debug: $(OBJECTS_DEB)
+	$(CC) $(LFLAGS) -fopenmp -o $(LIB_DEB) $(OBJECTS_DEB)
 
-$(OBJECTS): $(patsubst build/%.o,src/%.c,$@)
-	$(CC) $(CFLAGS) $(patsubst build/%.o,src/%.c,$@) -o $@
+release: $(OBJECTS_REL)
+	$(CC) $(LFLAGS) -fopenmp -o $(LIB_REL) $(OBJECTS_REL)
+
+-include $(DEPS_DEB)
+
+$(OBJECTS_DEB): $(patsubst build/debug/%.o,src/%.c,$@)
+	$(CC) $(DEB_FLAGS) $(CFLAGS) $(patsubst build/debug/%.o,src/%.c,$@) -o $@
+
+-include $(DEPS_REL)
+
+$(OBJECTS_REL): $(patsubst build/release/%.o,src/%.c,$@)
+	$(CC) $(REL_FLAGS) $(CFLAGS) $(patsubst build/release/%.o,src/%.c,$@) -o $@
 
 clean:
-	-rm build/*
-	-rm $(LIB)
+	-rm build/debug/*
+	-rm build/release/*
+	-rm $(LIB_DEB)
+	-rm $(LIB_REL)
-- 
cgit v1.2.1