-DESTDIR :=
-PREFIX := /usr/local
-BINDIR := $(PREFIX)/bin
-DATADIR := $(PREFIX)/share
-MANDIR := $(DATADIR)/man
-
-UNAME ?= $(shell uname)
-CYGWIN = $(findstring CYGWIN, $(UNAME))
-MINGW = $(findstring MINGW32, $(UNAME))
-
-CC ?= clang
-CFLAGS += -Wall -Wextra -I. -pedantic-errors
-#turn on tons of warnings if clang is present
-# but also turn off the STUPID ONES
-ifeq ($(CC), clang)
- CFLAGS += \
- -Weverything \
- -Wno-padded \
- -Wno-format-nonliteral \
- -Wno-disabled-macro-expansion \
- -Wno-conversion \
- -Wno-missing-prototypes
+# Compilation options:
+# * LTO - Link time optimization [default=0]
+# * ASAN - Address sanitizer [default=0]
+# * UBSAN - Undefined behavior sanitizer [default=0]
+# * DEBUG - Debug build [default=0]
+# * UNUSED - Remove unused references [default=1]
+# * SRCDIR - Out of tree builds [default=./]
+LTO ?= 0
+ASAN ?= 0
+UBSAN ?= 0
+DEBUG ?= 0
+UNUSED ?= 1
+SRCDIR ?= ./
+
+# Determine if we're building for Windows or not so we can set the right file
+# extensions for the binaries and exclude the testsuite because it doesn't build
+# for that platform.
+ifeq ($(OS),Windows_NT)
+ GMQCC := gmqcc.exe
+ QCVM := qcvm.exe
+else
+ GMQCC := gmqcc
+ QCVM := qcvm
+ TESTSUITE := testsuite
endif
-ifeq ($(track), no)
- CFLAGS += -DNOTRACK
+
+# C++ compiler
+CXX ?= clang++
+
+# Build artifact directories
+OBJDIR := .build/objs
+DEPDIR := .build/deps
+
+# Collect all the source files for GMQCC.
+GSRCS := ast.cpp
+GSRCS += code.cpp
+GSRCS += conout.cpp
+GSRCS += fold.cpp
+GSRCS += ftepp.cpp
+GSRCS += intrin.cpp
+GSRCS += ir.cpp
+GSRCS += lexer.cpp
+GSRCS += main.cpp
+GSRCS += opts.cpp
+GSRCS += parser.cpp
+GSRCS += stat.cpp
+GSRCS += utf8.cpp
+GSRCS += util.cpp
+
+# Collect all the source files for QCVM.
+QSRCS := exec.cpp
+QSRCS += stat.cpp
+QSRCS += util.cpp
+
+# Collect all the source files for TESTSUITE.
+TSRCS := conout.cpp
+TSRCS += opts.cpp
+TSRCS += stat.cpp
+TSRCS += test.cpp
+TSRCS += util.cpp
+
+#
+# Compilation flags
+#
+CXXFLAGS := -Wall
+CXXFLAGS += -Wextra
+CXXFLAGS += -Wno-parentheses
+CXXFLAGS += -Wno-class-memaccess
+CXXFLAGS += -Wno-implicit-fallthrough
+CXXFLAGS += -std=c++11
+
+# Disable some unneeded features.
+CXXFLAGS += -fno-exceptions
+CXXFLAGS += -fno-rtti
+CXXFLAGS += -fno-asynchronous-unwind-tables
+
+# Give each function and data it's own section so the linker can remove unused
+# references to each, producing smaller, tighter binaries.
+ifeq ($(UNUSED),1)
+ CXXFLAGS += -ffunction-sections
+ CXXFLAGS += -fdata-sections
endif
-OBJ_D = util.o code.o ast.o ir.o con.o ftepp.o opts.o
-OBJ_T = test.o util.o con.o
-OBJ_C = main.o lexer.o parser.o
-OBJ_X = exec-standalone.o util.o con.o
-
-ifneq ("$(CYGWIN)", "")
- #nullify the common variables that
- #most *nix systems have (for windows)
- PREFIX :=
- BINDIR :=
- DATADIR :=
- MANDIR :=
- QCVM = qcvm.exe
- GMQCC = gmqcc.exe
- TESTSUITE = testsuite.exe
-else
-ifneq ("$(MINGW)", "")
- #nullify the common variables that
- #most *nix systems have (for windows)
- PREFIX :=
- BINDIR :=
- DATADIR :=
- MANDIR :=
- QCVM = qcvm.exe
- GMQCC = gmqcc.exe
- TESTSUITE = testsuite.exe
+# Enable link-time optimizations if requested.
+ifeq ($(LTO),1)
+ CXXFLAGS += -flto
+endif
+
+ifeq ($(DEBUG),1)
+ # Ensure there is a frame-pointer in debug builds.
+ CXXFLAGS += -fno-omit-frame-pointer
+
+ # Disable all optimizations in debug builds.
+ CXXFLAGS += -O0
+
+ # Enable debug symbols.
+ CXXFLAGS += -g
else
- QCVM = qcvm
- GMQCC = gmqcc
- TESTSUITE = testsuite
+ # Disable all the stack protection features in release builds.
+ CXXFLAGS += -fno-stack-protector
+ CXXFLAGS += -fno-stack-check
+
+ # Disable frame pointer in release builds when AddressSanitizer isn't present.
+ ifeq ($(ASAN),1)
+ CXXFLAGS += -fno-omit-frame-pointer
+ else
+ CXXFLAGS += -fomit-frame-pointer
+ endif
+
+ # Highest optimization flag in release builds.
+ CXXFLAGS += -O3
+endif
+
+# Sanitizer selection
+ifeq ($(ASAN),1)
+ CXXFLAGS += -fsanitize=address
endif
+ifeq ($(UBSAN),1)
+ CXXFLAGS += -fsanitize=undefined
endif
-#standard rules
-default: all
-%.o: %.c
- $(CC) -c $< -o $@ $(CFLAGS)
+#
+# Dependency flags
+#
+DEPFLAGS := -MMD
+DEPFLAGS += -MP
-exec-standalone.o: exec.c
- $(CC) -c $< -o $@ $(CFLAGS) -DQCVM_EXECUTOR=1
+#
+# Linker flags
+#
+LDFLAGS :=
-$(QCVM): $(OBJ_X)
- $(CC) -o $@ $^ $(CFLAGS) -lm
+# Remove unreferenced sections
+ifeq ($(UNUSED),1)
+ LDFLAGS += -Wl,--gc-sections
+endif
-$(GMQCC): $(OBJ_C) $(OBJ_D)
- $(CC) -o $@ $^ $(CFLAGS)
+# Enable link-time optimizations if request.
+ifeq ($(LTO),1)
+ LDFLAGS += -flto
+endif
-$(TESTSUITE): $(OBJ_T)
- $(CC) -o $@ $^ $(CFLAGS)
+# Sanitizer selection
+ifeq ($(ASAN),1)
+ LDFLAGS += -fsanitize=address
+endif
+ifeq ($(UBSAN),1)
+ LDFLAGS += -fsanitize=undefined
+endif
+
+# Strip the binaries when not a debug build
+ifneq (,$(findstring, -g,$(CXXFLAGS)))
+ STRIP := true
+else
+ STRIP := strip
+endif
all: $(GMQCC) $(QCVM) $(TESTSUITE)
-check: all
- @ ./$(TESTSUITE)
+# Build artifact directories.
+$(DEPDIR):
+ @mkdir -p $(DEPDIR)
+$(OBJDIR):
+ @mkdir -p $(OBJDIR)
+
+$(OBJDIR)/%.o: %.cpp $(DEPDIR)/%.d | $(OBJDIR) $(DEPDIR)
+ $(CXX) -MT $@ $(DEPFLAGS) -MF $(DEPDIR)/$*.Td $(CXXFLAGS) -c -o $@ $<
+ @mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d
+
+$(GMQCC): $(filter %.o,$(GSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
+
+$(QCVM): $(filter %.o,$(QSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
+
+$(TESTSUITE): $(filter %.o,$(TSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
+
+# Determine if the tests should be run.
+RUNTESTS := true
+ifdef TESTSUITE
+ RUNTESTS := ./$(TESTSUITE)
+endif
+
+test: $(QCVM) $(TESTSUITE)
+ @$(RUNTESTS)
clean:
- rm -f *.o $(GMQCC) $(QCVM) $(TESTSUITE) *.dat
-
-# deps
-$(OBJ) $(OBJ_C) $(OBJ_X): gmqcc.h opts.def
-main.o: lexer.h
-parser.o: ast.h lexer.h
-ast.o: ast.h ir.h
-ir.o: ir.h
-
-#install rules
-install: install-gmqcc install-qcvm install-doc
-install-gmqcc: $(GMQCC)
- install -d -m755 $(DESTDIR)$(BINDIR)
- install -m755 $(GMQCC) $(DESTDIR)$(BINDIR)/gmqcc
-install-qcvm: $(QCVM)
- install -d -m755 $(DESTDIR)$(BINDIR)
- install -m755 $(QCVM) $(DESTDIR)$(BINDIR)/qcvm
-install-doc:
- install -d -m755 $(DESTDIR)$(MANDIR)/man1
- install -m755 doc/gmqcc.1 $(DESTDIR)$(MANDIR)/man1/
- install -m755 doc/qcvm.1 $(DESTDIR)$(MANDIR)/man1/
+ rm -rf $(DEPDIR) $(OBJDIR)
+
+.PHONY: test clean $(DEPDIR) $(OBJDIR)
+
+# Dependencies
+$(filter %.d,$(GSRCS:%.cpp=$(DEPDIR)/%.d)):
+include $(wildcard $@)
+
+$(filter %.d,$(QSRCS:%.cpp=$(DEPDIR)/%.d)):
+include $(wildcard $@)
+
+$(filter %.d,$(TSRCS:%.cpp=$(DEPDIR)/%.d)):
+include $(wildcard $@)
projects / xonotic / gmqcc.git / blobdiff