simplified libxml library build

.gitignore

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

CMakeLists.txt

@@ -2,29 +2,41 @@ cmake_minimum_required(VERSION 3.12)
 
 project(cyberiadaml VERSION 1.0)
 
-find_package(LibXml2 REQUIRED)
+include(cmake/CPM.cmake)
-if(!LibXml2_FOUND)
-	message(FATAL_ERROR "Cannot find libxml2 library")
-endif()
 
 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D__DEBUG__")
 
-add_library(cyberiadaml SHARED cyberiadaml.c utf8enc.c cyb_types.c cyb_string.c geometry.c)
+CPMAddPackage(
-target_include_directories(cyberiadaml PUBLIC
+  NAME LibXml2
-				       $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+  VERSION 2.13.2
-			               $<INSTALL_INTERFACE:include/cyberiada>
+  GITHUB_REPOSITORY GNOME/libxml2
-				       "${LIBXML2_INCLUDE_DIR}")
+  OPTIONS 
-target_link_directories(cyberiadaml PUBLIC "${LIBXML2_LIBRARY}")
+    "LIBXML2_WITH_PYTHON  OFF"
-target_link_libraries(cyberiadaml PUBLIC
+    "LIBXML2_WITH_TESTS   OFF"
-				  "${LIBXML2_LIBRARIES}"
+)
-				  m)
 
-add_executable(cyberiada_test test.c)
+add_library(
-target_include_directories(cyberiada_test PUBLIC
+  cyberiadaml
-			   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+  SHARED
-			   $<INSTALL_INTERFACE:include/cyberiada>)
+  src/cyberiadaml.c
-target_link_directories(cyberiada_test PUBLIC "${PROJECT_BINARY_DIR}")
+  src/utf8enc.c
-target_link_libraries(cyberiada_test PUBLIC cyberiadaml)
+  src/cyb_types.c
+  src/cyb_string.c
+  src/geometry.c
+)
+
+target_include_directories(cyberiadaml PRIVATE
+                                        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+                                        $<INSTALL_INTERFACE:include/cyberiada>)
+
+target_link_libraries(cyberiadaml PRIVATE LibXml2::LibXml2)
+
+add_executable(cyberiada_test src/test.c)
+target_include_directories(cyberiada_test PRIVATE
+                           $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+                           $<INSTALL_INTERFACE:include/cyberiada>)
+target_link_directories(cyberiada_test PRIVATE "${PROJECT_BINARY_DIR}")
+target_link_libraries(cyberiada_test PRIVATE cyberiadaml)
 
 install(TARGETS cyberiadaml DESTINATION lib EXPORT cyberiadaml)
 install(FILES cyberiadaml.h ${CMAKE_CURRENT_SOURCE_DIR}/cyberiadaml.h
@@ -33,7 +45,10 @@ install(EXPORT cyberiadaml DESTINATION lib/cmake)
 
 configure_file(
    ${PROJECT_SOURCE_DIR}/cyberiadaml-config.cmake.in
-   ${PROJECT_BINARY_DIR}/cyberiadaml-config.cmake @ONLY)
+   ${PROJECT_BINARY_DIR}/cyberiadaml-config.cmake @ONLY
+)
 
-install(FILES ${PROJECT_BINARY_DIR}/cyberiadaml-config.cmake
+install(
-	DESTINATION lib/cmake)
+  FILES ${PROJECT_BINARY_DIR}/cyberiadaml-config.cmake 
+  DESTINATION lib/cmake
+)

Makefile.old

@@ -1,51 +0,0 @@
-LIB_TARGET_STATIC := libcyberiadaml.a
-LIB_TARGET_DYNAMIC := libcyberiadaml.so
-
-ifeq ($(DYNAMIC), 1)
-    LIB_TARGET := $(LIB_TARGET_DYNAMIC)
-else
-    LIB_TARGET := $(LIB_TARGET_STATIC)
-endif
-
-TEST_TARGET := cyberiada_test
-LIB_SOURCES := cyberiadaml.c utf8enc.c cyb_types.c cyb_string.c
-TEST_SOURCES := test.c
-LIB_OBJECTS := $(patsubst %.c, %.o, $(LIB_SOURCES))
-TEST_OBJECTS := $(patsubst %.c, %.o, $(TEST_SOURCES))
-
-ifeq ($(DEBUG), yes)
-    CFLAGS := -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Wconversion -fPIC -g3 -D__DEBUG__
-    LFLAGS :=
-else ifeq ($(DEBUG), asan)
-    CFLAGS := -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Wconversion -fsanitize=address -fPIC -g3 -D__DEBUG__
-    LFLAGS := -fsanitize=address -static-libasan
-else
-    CFLAGS := -fPIC
-    LFLAGS := 
-endif
-
-INCLUDE := -I. -I/usr/include/libxml2
-LIBS := -L/usr/lib -lxml2 -lm
-TEST_LIBS := -L. -lcyberiadaml
-
-$(LIB_TARGET): $(LIB_OBJECTS)
-ifeq ($(DYNAMIC), yes)
-	gcc -shared $(LIBS) $(LIB_OBJECTS) -o $@
-else
-	ar rcs $@ $(LIB_OBJECTS)
-endif
-
-$(TEST_TARGET): $(TEST_OBJECTS) $(LIB_TARGET) $(LIB_ORJECTS)
-	gcc $(TEST_OBJECTS) $(LFLAGS) -Wl,--no-as-needed $(LIBS) $(TEST_LIBS) -o $@
-
-%.o: %.c
-	gcc -c $< $(CFLAGS) $(INCLUDE) -o $@
-
-clean:
-	rm -f *~ *.o $(TARGET) $(TEST_TARGET) $(LIB_TARGET_STATIC) $(LIB_TARGET_DYNAMIC)
-
-test: $(TEST_TARGET)
-
-all: $(LIB_TARGET) $(TEST_TARGET)
-
-.PHONY: all clean test

cmake/CPM.cmake

@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: MIT
+#
+# SPDX-FileCopyrightText: Copyright (c) 2019-2023 Lars Melchior and contributors
+
+set(CPM_DOWNLOAD_VERSION 0.40.0)
+set(CPM_HASH_SUM "7b354f3a5976c4626c876850c93944e52c83ec59a159ae5de5be7983f0e17a2a")
+
+if(CPM_SOURCE_CACHE)
+  set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+elseif(DEFINED ENV{CPM_SOURCE_CACHE})
+  set(CPM_DOWNLOAD_LOCATION "$ENV{CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+else()
+  set(CPM_DOWNLOAD_LOCATION "${CMAKE_BINARY_DIR}/cmake/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+endif()
+
+# Expand relative path. This is important if the provided path contains a tilde (~)
+get_filename_component(CPM_DOWNLOAD_LOCATION ${CPM_DOWNLOAD_LOCATION} ABSOLUTE)
+
+file(DOWNLOAD
+     https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake
+     ${CPM_DOWNLOAD_LOCATION} EXPECTED_HASH SHA256=${CPM_HASH_SUM}
+)
+
+include(${CPM_DOWNLOAD_LOCATION})