create project structure

.gitignore

@@ -0,0 +1 @@
+build/

LLog.c

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+#include "include/LLog.h"
+#include <stdio.h>
+
+void lLog(enum lLogLevel LOG_LEVEL, char* MESSAGE) {
+    char* LOG_LEVEL_STRING = LOG_LEVEL == 0 ? "INFO" :
+                             LOG_LEVEL == 1 ? "WARNING" :
+                             LOG_LEVEL == 2 ? "ERROR" :
+                             LOG_LEVEL == 3 ? "DEBUG" :
+                             "invalid_log_level";
+    printf("[%s]: %s\n", LOG_LEVEL_STRING, MESSAGE);
+}

Makefile

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+# You may have to run this command or something similar
+# while in the base directory to please the dynamic linker
+#
+# $ export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$PWD/build/dynamic"
+
+CC = gcc
+SHELL := /bin/bash
+
+INCLUDE := include
+CFLAGS = -Wall -I$(INCLUDE) -ggdb
+
+BUILD_DIR := build
+
+STATIC_BUILD_DIR := $(BUILD_DIR)/static
+DYNAMIC_BUILD_DIR := $(BUILD_DIR)/dynamic
+TEST_BUILD_DIR := $(BUILD_DIR)/test
+INCLUDE_INSTALL_PATH := /usr/local/include/LLog
+LIB_INSTALL_PATH := /usr/local/lib
+
+STATIC_BUILD_FILES := $(STATIC_BUILD_DIR)/LLog.o \
+
+DYNAMIC_BUILD_FILES := $(DYNAMIC_BUILD_DIR)/LLog.o \
+
+TEST_BUILD_FILES := $(TEST_BUILD_DIR)/test.o \
+
+
+all: dynamic static
+
+dynamic: $(DYNAMIC_BUILD_FILES)
+	$(CC) -shared -o $(DYNAMIC_BUILD_DIR)/libLLog.so $(DYNAMIC_BUILD_FILES)
+
+$(DYNAMIC_BUILD_DIR)/%.o: %.c | $(DYNAMIC_BUILD_DIR)
+	$(CC) $(CFLAGS) -c -fPIC $< -o $@
+
+
+static: $(STATIC_BUILD_FILES)
+	ar rcs $(STATIC_BUILD_DIR)/libLLog.a $(STATIC_BUILD_FILES)
+
+$(STATIC_BUILD_DIR)/%.o: %.c | $(STATIC_BUILD_DIR)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+test: $(TEST_BUILD_FILES) test_dynamic test_static
+	
+test_dynamic: dynamic $(TEST_BUILD_FILES)
+	$(CC) $(CFLAGS) -L$(CURDIR)/$(DYNAMIC_BUILD_DIR) -lLLog -o $(TEST_BUILD_DIR)/test_dynamic $(TEST_BUILD_FILES)
+	
+	@echo ""
+	@echo "Running dynamic test..."
+	@echo ""
+
+	LD_LIBRARY_PATH=$(LD_LIBRARY_PATH):$(CURDIR)/build/dynamic ./$(TEST_BUILD_DIR)/test_dynamic
+
+test_static: static $(TEST_BUILD_FILES)
+	$(CC) $(CFLAGS) -o $(TEST_BUILD_DIR)/test_static $(TEST_BUILD_FILES) $(STATIC_BUILD_DIR)/libLLog.a
+	
+	@echo ""
+	@echo "Running static test..."
+	@echo ""
+	
+	./$(TEST_BUILD_DIR)/test_static
+
+$(TEST_BUILD_DIR)/%.o: test/%.c | $(TEST_BUILD_DIR)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+
+$(DYNAMIC_BUILD_DIR):
+	mkdir -p $(DYNAMIC_BUILD_DIR)
+
+$(STATIC_BUILD_DIR):
+	mkdir -p $(STATIC_BUILD_DIR)
+
+$(TEST_BUILD_DIR):
+	mkdir -p $(TEST_BUILD_DIR)
+
+$(INCLUDE_INSTALL_PATH):
+	mkdir -p $(INCLUDE_INSTALL_PATH)
+
+$(LIB_INSTALL_PATH):
+	mkdir -p $(LIB_INSTALL_PATH)
+
+CLEANUP_BUILD_DIR:
+	rm -rf $(BUILD_DIR)/*/*.o $(BUILD_DIR)/test
+
+install: $(INCLUDE_INSTALL_PATH) $(LIB_INSTALL_PATH) CLEANUP_BUILD_DIR
+	cp $(INCLUDE)/* $(INCLUDE_INSTALL_PATH)
+	cp $(STATIC_BUILD_DIR)/* $(LIB_INSTALL_PATH)
+	cp $(DYNAMIC_BUILD_DIR)/* $(LIB_INSTALL_PATH)
+	ldconfig
+
+clean:
+	rm -rf $(BUILD_DIR)

include/LLog.h

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+#ifndef LLog_H
+#define LLog_H
+
+enum lLogLevel {
+    lINFO,
+    lWARNING,
+    lERROR,
+    lDEBUG
+};
+
+void lLog(enum lLogLevel LOG_LEVEL, char* MESSAGE);
+
+#endif

test/test.c

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+#include "../include/LLog.h"
+
+int main(void) {
+    lLog(lINFO, "Hello, INFO!");
+    lLog(lWARNING, "Hello, WARNING!");
+    lLog(lERROR, "Hello, ERROR!");
+    lLog(lDEBUG, "Hello, DEBUG!");
+}