mirror of
https://github.com/yquake2/ref_gl4.git
synced 2024-12-04 01:52:06 +00:00
a884514f97
This is mostly a port of the same changes to ref_gl3: * Add SDL 3 support to the Makefile. * Port API changes. * Bump renderer API to version 7.
494 lines
13 KiB
Makefile
494 lines
13 KiB
Makefile
# ------------------------------------------------------ #
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# Makefile for the OpenGL 4.6 renderer lib for Quake II #
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# #
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# Just type "make" to compile the #
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# - OpenGL 4.6 renderer lib (ref_gl4.so / rev_gl4.dll) #
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# #
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# Dependencies: #
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# - SDL 2.0 #
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# - libGL #
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# #
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# Platforms: #
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# - FreeBSD #
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# - Linux #
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# - NetBSD #
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# - OpenBSD #
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# - Windows #
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# ------------------------------------------------------ #
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# Variables
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# ---------
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# - ASAN: Builds with address sanitizer, includes DEBUG.
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# - DEBUG: Builds a debug build, forces -O0 and adds debug symbols.
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# - VERBOSE: Prints full compile, linker and misc commands.
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# - UBSAN: Builds with undefined behavior sanitizer, includes DEBUG.
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# ----------
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# User configurable options
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# -------------------------
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# Enables HTTP support through cURL. Used for
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# HTTP download.
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WITH_CURL:=yes
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# Enables the optional OpenAL sound system.
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# To use it your system needs libopenal.so.1
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# or openal32.dll (we recommend openal-soft)
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# installed
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WITH_OPENAL:=yes
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# Sets an RPATH to $ORIGIN/lib. It can be used to
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# inject custom libraries, e.g. a patches libSDL.so
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# or libopenal.so. Not supported on Windows.
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WITH_RPATH:=yes
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# Builds with SDL 3 instead of SDL 2.
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WITH_SDL3:=no
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# Enable systemwide installation of game assets.
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WITH_SYSTEMWIDE:=no
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# This will set the default SYSTEMDIR, a non-empty string
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# would actually be used. On Windows normals slashes (/)
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# instead of backslashed (\) should be used! The string
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# MUST NOT be surrounded by quotation marks!
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WITH_SYSTEMDIR:=""
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# This will set the build options to create an MacOS .app-bundle.
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# The app-bundle itself will not be created, but the runtime paths
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# will be set to expect the game-data in *.app/
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# Contents/Resources
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OSX_APP:=yes
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# This is an optional configuration file, it'll be used in
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# case of presence.
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CONFIG_FILE:=config.mk
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# ----------
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# In case a of a configuration file being present, we'll just use it
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ifeq ($(wildcard $(CONFIG_FILE)), $(CONFIG_FILE))
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include $(CONFIG_FILE)
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endif
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# Detect the OS
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ifdef SystemRoot
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YQ2_OSTYPE ?= Windows
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else
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YQ2_OSTYPE ?= $(shell uname -s)
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endif
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# Special case for MinGW
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ifneq (,$(findstring MINGW,$(YQ2_OSTYPE)))
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YQ2_OSTYPE := Windows
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endif
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# Detect the architecture
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ifeq ($(YQ2_OSTYPE), Windows)
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ifdef MINGW_CHOST
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ifeq ($(MINGW_CHOST), x86_64-w64-mingw32)
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YQ2_ARCH ?= x86_64
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else # i686-w64-mingw32
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YQ2_ARCH ?= i386
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endif
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else # windows, but MINGW_CHOST not defined
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ifdef PROCESSOR_ARCHITEW6432
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# 64 bit Windows
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YQ2_ARCH ?= $(PROCESSOR_ARCHITEW6432)
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else
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# 32 bit Windows
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YQ2_ARCH ?= $(PROCESSOR_ARCHITECTURE)
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endif
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endif # windows but MINGW_CHOST not defined
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else
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ifneq ($(YQ2_OSTYPE), Darwin)
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# Normalize some abiguous YQ2_ARCH strings
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YQ2_ARCH ?= $(shell uname -m | sed -e 's/i.86/i386/' -e 's/amd64/x86_64/' -e 's/arm64/aarch64/' -e 's/^arm.*/arm/')
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else
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YQ2_ARCH ?= $(shell uname -m)
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endif
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endif
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# Detect the compiler
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ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1)
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COMPILER := clang
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COMPILERVER := $(shell $(CC) -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/')
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else ifeq ($(shell $(CC) -v 2>&1 | grep -c -E "(gcc version|gcc-Version)"), 1)
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COMPILER := gcc
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COMPILERVER := $(shell $(CC) -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/')
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else
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COMPILER := unknown
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endif
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# ASAN includes DEBUG
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ifdef ASAN
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DEBUG=1
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endif
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# UBSAN includes DEBUG
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ifdef UBSAN
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DEBUG=1
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endif
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# ----------
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# Base CFLAGS. These may be overridden by the environment.
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# Highest supported optimizations are -O2, higher levels
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# will likely break this crappy code.
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ifdef DEBUG
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CFLAGS ?= -O0 -g -Wall -pipe
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ifdef ASAN
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override CFLAGS += -fsanitize=address -DUSE_SANITIZER
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endif
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ifdef UBSAN
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override CFLAGS += -fsanitize=undefined -DUSE_SANITIZER
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endif
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else
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CFLAGS ?= -O2 -Wall -pipe -fomit-frame-pointer
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endif
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# Always needed are:
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# -fno-strict-aliasing since the source doesn't comply
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# with strict aliasing rules and it's next to impossible
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# to get it there...
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# -fwrapv for defined integer wrapping. MSVC6 did this
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# and the game code requires it.
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# -fvisibility=hidden to keep symbols hidden. This is
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# mostly best practice and not really necessary.
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override CFLAGS += -fno-strict-aliasing -fwrapv -fvisibility=hidden
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# -MMD to generate header dependencies. Unsupported by
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# the Clang shipped with OS X.
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ifneq ($(YQ2_OSTYPE), Darwin)
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override CFLAGS += -MMD
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endif
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# ----------
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# ARM needs a sane minimum architecture. We need the `yield`
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# opcode, arm6k is the first iteration that supports it. arm6k
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# is also the first Raspberry PI generation and older hardware
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# is likely too slow to run the game. We're not enforcing the
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# minimum architecture, but if you're build for something older
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# like arm5 the `yield` opcode isn't compiled in and the game
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# (especially q2ded) will consume more CPU time than necessary.
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ifeq ($(YQ2_ARCH), arm)
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CFLAGS += -march=armv6k
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endif
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# ----------
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# Switch of some annoying warnings.
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ifeq ($(COMPILER), clang)
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# -Wno-missing-braces because otherwise clang complains
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# about totally valid 'vec3_t bla = {0}' constructs.
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override CFLAGS += -Wno-missing-braces
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else ifeq ($(COMPILER), gcc)
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# GCC 8.0 or higher.
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ifeq ($(shell test $(COMPILERVER) -ge 80000; echo $$?),0)
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# -Wno-format-truncation and -Wno-format-overflow
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# because GCC spams about 50 false positives.
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override CFLAGS += -Wno-format-truncation -Wno-format-overflow
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endif
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endif
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# ----------
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# Defines the operating system and architecture
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override CFLAGS += -DYQ2OSTYPE=\"$(YQ2_OSTYPE)\" -DYQ2ARCH=\"$(YQ2_ARCH)\"
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# ----------
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# For reproduceable builds, look here for details:
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# https://reproducible-builds.org/specs/source-date-epoch/
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ifdef SOURCE_DATE_EPOCH
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override CFLAGS += -DBUILD_DATE=\"$(shell date --utc --date="@${SOURCE_DATE_EPOCH}" +"%b %_d %Y" | sed -e 's/ /\\ /g')\"
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endif
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# ----------
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# Using the default x87 float math on 32bit x86 causes rounding trouble
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# -ffloat-store could work around that, but the better solution is to
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# just enforce SSE - every x86 CPU since Pentium3 supports that
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# and this should even improve the performance on old CPUs
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ifeq ($(YQ2_ARCH), i386)
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override CFLAGS += -msse -mfpmath=sse
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endif
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# Force SSE math on x86_64. All sane compilers should do this
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# anyway, just to protect us from broken Linux distros.
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ifeq ($(YQ2_ARCH), x86_64)
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override CFLAGS += -mfpmath=sse
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endif
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# Disable floating-point expression contraction. While this shouldn't be
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# a problem for C (only for C++) better be safe than sorry. See
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100839 for details.
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ifeq ($(COMPILER), gcc)
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override CFLAGS += -ffp-contract=off
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endif
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# ----------
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# Systemwide installation.
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ifeq ($(WITH_SYSTEMWIDE),yes)
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override CFLAGS += -DSYSTEMWIDE
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ifneq ($(WITH_SYSTEMDIR),"")
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override CFLAGS += -DSYSTEMDIR=\"$(WITH_SYSTEMDIR)\"
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endif
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endif
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# ----------
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# We don't support encrypted ZIP files.
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ZIPCFLAGS := -DNOUNCRYPT
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# Just set IOAPI_NO_64 on everything that's not Linux or Windows,
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# otherwise minizip will use fopen64(), fseek64() and friends that
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# may be unavailable. This is - of course - not really correct, in
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# a better world we would set -DIOAPI_NO_64 to force everything to
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# fopen(), fseek() and so on and -D_FILE_OFFSET_BITS=64 to let the
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# libc headers do their work. Currently we can't do that because
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# Quake II uses nearly everywere int instead of off_t...
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#
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# This may have the side effect that ZIP files larger than 2GB are
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# unsupported. But I doubt that anyone has such large files, they
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# would likely hit other internal limits.
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ifneq ($(YQ2_OSTYPE),Windows)
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ifneq ($(YQ2_OSTYPE),Linux)
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ZIPCFLAGS += -DIOAPI_NO_64
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endif
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endif
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# ----------
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# Extra CFLAGS for SDL.
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ifeq ($(WITH_SDL3),yes)
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SDLCFLAGS := $(shell pkgconf --cflags sdl3)
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SDLCFLAGS += -DUSE_SDL3
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else
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SDLCFLAGS := $(shell sdl2-config --cflags)
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endif
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# ----------
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# Base include path.
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ifeq ($(YQ2_OSTYPE),Linux)
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INCLUDE ?= -I/usr/include
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else ifeq ($(YQ2_OSTYPE),FreeBSD)
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INCLUDE ?= -I/usr/local/include
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else ifeq ($(YQ2_OSTYPE),NetBSD)
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INCLUDE ?= -I/usr/X11R7/include -I/usr/pkg/include
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else ifeq ($(YQ2_OSTYPE),OpenBSD)
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INCLUDE ?= -I/usr/local/include
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else ifeq ($(YQ2_OSTYPE),Windows)
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INCLUDE ?= -I/usr/include
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endif
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# ----------
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# Base LDFLAGS. This is just the library path.
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ifeq ($(YQ2_OSTYPE),Linux)
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LDFLAGS ?= -L/usr/lib
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else ifeq ($(YQ2_OSTYPE),FreeBSD)
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LDFLAGS ?= -L/usr/local/lib
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else ifeq ($(YQ2_OSTYPE),NetBSD)
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LDFLAGS ?= -L/usr/X11R7/lib -Wl,-R/usr/X11R7/lib -L/usr/pkg/lib -Wl,-R/usr/pkg/lib
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else ifeq ($(YQ2_OSTYPE),OpenBSD)
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LDFLAGS ?= -L/usr/local/lib
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else ifeq ($(YQ2_OSTYPE),Windows)
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LDFLAGS ?= -L/usr/lib
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endif
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# Link address sanitizer if requested.
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ifdef ASAN
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override LDFLAGS += -fsanitize=address
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endif
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# Link undefined behavior sanitizer if requested.
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ifdef UBSAN
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override LDFLAGS += -fsanitize=undefined
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endif
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# Required libraries.
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ifeq ($(YQ2_OSTYPE),Linux)
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LDLIBS ?= -lm -ldl -rdynamic
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else ifeq ($(YQ2_OSTYPE),FreeBSD)
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LDLIBS ?= -lm
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else ifeq ($(YQ2_OSTYPE),NetBSD)
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LDLIBS ?= -lm
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else ifeq ($(YQ2_OSTYPE),OpenBSD)
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LDLIBS ?= -lm
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else ifeq ($(YQ2_OSTYPE),Windows)
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LDLIBS ?= -lws2_32 -lwinmm -static-libgcc
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else ifeq ($(YQ2_OSTYPE), Darwin)
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LDLIBS ?= -arch $(YQ2_ARCH)
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else ifeq ($(YQ2_OSTYPE), Haiku)
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LDLIBS ?= -lm -lnetwork
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else ifeq ($(YQ2_OSTYPE), SunOS)
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LDLIBS ?= -lm -lsocket -lnsl
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endif
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# ASAN and UBSAN must not be linked
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# with --no-undefined. OSX and OpenBSD
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# don't support it at all.
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ifndef ASAN
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ifndef UBSAN
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ifneq ($(YQ2_OSTYPE), Darwin)
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ifneq ($(YQ2_OSTYPE), OpenBSD)
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override LDFLAGS += -Wl,--no-undefined
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endif
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endif
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endif
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endif
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# ----------
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# Extra LDFLAGS for SDL
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ifeq ($(WITH_SDL3),yes)
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ifeq ($(YQ2_OSTYPE), Darwin)
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SDLLDFLAGS := -lSDL3
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else
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SDLLDFLAGS := $(shell pkgconf --libs sdl3)
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endif
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else
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ifeq ($(YQ2_OSTYPE), Darwin)
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SDLLDFLAGS := -lSDL2
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else
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SDLLDFLAGS := $(shell sdl2-config --libs)
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endif
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endif
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# The renderer libs don't need libSDL2main, libmingw32 or -mwindows.
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ifeq ($(YQ2_OSTYPE), Windows)
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DLL_SDLLDFLAGS = $(subst -mwindows,,$(subst -lmingw32,,$(subst -lSDL2main,,$(SDLLDFLAGS))))
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endif
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# ----------
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# When make is invoked by "make VERBOSE=1" print
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# the compiler and linker commands.
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ifdef VERBOSE
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Q :=
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else
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Q := @
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endif
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# ----------
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# Phony targets
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.PHONY : all ref_gl4
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# ----------
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# Builds everything
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all: ref_gl4
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# Cleanup
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clean:
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@echo "===> CLEAN"
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${Q}rm -Rf build release/*
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cleanall:
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@echo "===> CLEAN"
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${Q}rm -Rf build release
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# ----------
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# The OpenGL 4.6 renderer lib
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ifeq ($(YQ2_OSTYPE), Windows)
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ref_gl4:
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@echo "===> Building ref_gl4.dll"
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${Q}mkdir -p release
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$(MAKE) release/ref_gl4.dll
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release/ref_gl4.dll : GLAD_INCLUDE = -Isrc/client/refresh/gl4/glad/include
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release/ref_gl4.dll : LDFLAGS += -shared
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else # not Windows or Darwin - macOS doesn't support OpenGL 4.6
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ref_gl4:
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@echo "===> Building ref_gl4.so"
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${Q}mkdir -p release
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$(MAKE) release/ref_gl4.so
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release/ref_gl4.so : GLAD_INCLUDE = -Isrc/client/refresh/gl4/glad/include
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release/ref_gl4.so : CFLAGS += -fPIC
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release/ref_gl4.so : LDFLAGS += -shared
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endif # OS specific ref_gl4 stuff
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build/ref_gl4/%.o: %.c
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@echo "===> CC $<"
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${Q}mkdir -p $(@D)
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${Q}$(CC) -c $(CFLAGS) $(SDLCFLAGS) $(INCLUDE) $(GLAD_INCLUDE) -o $@ $<
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# ----------
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REFGL4_OBJS_ := \
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src/client/refresh/gl4/gl4_draw.o \
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src/client/refresh/gl4/gl4_image.o \
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src/client/refresh/gl4/gl4_light.o \
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src/client/refresh/gl4/gl4_lightmap.o \
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src/client/refresh/gl4/gl4_main.o \
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src/client/refresh/gl4/gl4_mesh.o \
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src/client/refresh/gl4/gl4_misc.o \
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src/client/refresh/gl4/gl4_model.o \
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src/client/refresh/gl4/gl4_sdl.o \
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src/client/refresh/gl4/gl4_surf.o \
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src/client/refresh/gl4/gl4_warp.o \
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src/client/refresh/gl4/gl4_shaders.o \
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src/client/refresh/files/surf.o \
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src/client/refresh/files/models.o \
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src/client/refresh/files/pcx.o \
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src/client/refresh/files/stb.o \
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src/client/refresh/files/wal.o \
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src/client/refresh/files/pvs.o \
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src/common/shared/shared.o \
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src/common/md4.o
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REFGL4_OBJS_GLADE_ := \
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src/client/refresh/gl4/glad/src/glad.o
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ifeq ($(YQ2_OSTYPE), Windows)
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REFGL4_OBJS_ += \
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src/backends/windows/shared/hunk.o
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else # not Windows
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REFGL4_OBJS_ += \
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src/backends/unix/shared/hunk.o
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endif
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# ----------
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# Rewrite pathes to our object directory.
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REFGL4_OBJS = $(patsubst %,build/ref_gl4/%,$(REFGL4_OBJS_))
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REFGL4_OBJS += $(patsubst %,build/ref_gl4/%,$(REFGL4_OBJS_GLADE_))
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# ----------
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# Generate header dependencies.
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REFGL4_DEPS= $(REFGL4_OBJS:.o=.d)
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# Suck header dependencies in.
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-include $(REFGL4_DEPS)
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# ----------
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# release/ref_gl4.so
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ifeq ($(YQ2_OSTYPE), Windows)
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release/ref_gl4.dll : $(REFGL4_OBJS)
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@echo "===> LD $@"
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${Q}$(CC) $(LDFLAGS) $(REFGL4_OBJS) $(LDLIBS) $(DLL_SDLLDFLAGS) -o $@
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$(Q)strip $@
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else
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release/ref_gl4.so : $(REFGL4_OBJS)
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@echo "===> LD $@"
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${Q}$(CC) $(LDFLAGS) $(REFGL4_OBJS) $(LDLIBS) $(SDLLDFLAGS) -o $@
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endif
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# ----------
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