[client] replace custom Makefile with cmake build

client/CMakeLists.txt

@@ -0,0 +1,58 @@
+cmake_minimum_required(VERSION 2.8)
+project(looking-glass-client C)
+
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
+
+SET(CMAKE_C_FLAGS "-std=gnu99 -g -O3 -march=native -Wall -Werror -Wfatal-errors -ffast-math -fdata-sections -ffunction-sections -Wl,--gc-sections")
+
+find_package(PkgConfig)
+pkg_check_modules(PKGCONFIG REQUIRED
+	sdl2
+	SDL2_ttf
+	gl
+	glu
+	spice-protocol
+	fontconfig
+	x11
+	libconfig
+	nettle
+	hogweed
+)
+
+execute_process(
+	COMMAND			git describe --always --long --dirty --abbrev=10 --tags
+	WORKING_DIRECTORY	${PROJECT_SOURCE_DIR}
+	OUTPUT_VARIABLE		BUILD_VERSION
+	OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+find_package(GMP)
+
+add_definitions(-D BUILD_VERSION='"${BUILD_VERSION}"')
+add_definitions(-D USE_NETTLE)
+
+include_directories(
+	${PROJECT_SOURCE_DIR}
+	${PROJECT_SOURCE_DIR}/../common
+	${PKGCONFIG_INCLUDE_DIRS}
+	${GMP_INCLUDE_DIR}
+)
+
+link_libraries(
+	${PKGCONFIG_LIBRARIES}
+	${GMP_LIBRARIES}
+	rt m
+)
+
+set(SOURCES
+	main.c
+	lg-renderer.c
+	ll.c
+	spice/rsa.c
+	spice/spice.c
+	decoders/null.c
+	renderers/opengl.c
+)
+
+add_executable(looking-glass-client ${SOURCES})
+target_compile_options(looking-glass-client PUBLIC ${PKGCONFIG_CFLAGS_OTHER})