-include include.mk
-
-UNAME ?= $(shell uname)
-CYGWIN = $(findstring CYGWIN, $(UNAME))
-MINGW = $(findstring MINGW, $(UNAME))
-
-# turn on tons of warnings if clang is present
-# but also turn off the STUPID ONES
-ifeq ($(CC), clang)
- CFLAGS += \
- -Weverything \
- -Wno-padded \
- -Wno-format-nonliteral \
- -Wno-disabled-macro-expansion \
- -Wno-conversion \
- -Wno-float-equal \
- -Wno-unknown-warning-option \
- -Wno-cast-align \
- -Wno-assign-enum \
- -pedantic-errors
+# 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 ($(OS),Windows_NT)
+ GMQCC := gmqcc.exe
+ QCVM := qcvm.exe
else
- ifneq ($(CC), g++)
- CFLAGS += -Wmissing-prototypes -Wstrict-prototypes
- endif
+ GMQCC := gmqcc
+ QCVM := qcvm
+ TESTSUITE := testsuite
+endif
+
+# 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 ($(UNUSED),1)
+ CXXFLAGS += -ffunction-sections
+ CXXFLAGS += -fdata-sections
+endif
+
+# Enable link-time optimizations if requested.
+ifeq ($(LTO),1)
+ CXXFLAGS += -flto
+endif
+
+ifeq ($(DEBUG),1)
+ # Ensure there is a frame-pointer in debug builds.
+ CXXFLAGS += -fno-omit-frame-pointer
- ifneq ($(CC), tcc)
- CFLAGS += -pedantic-errors
+ # Disable all optimizations in debug builds.
+ CXXFLAGS += -O0
+
+ # Enable debug symbols.
+ CXXFLAGS += -g
+else
+ # 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 ($(ASAN),1)
+ CXXFLAGS += -fno-omit-frame-pointer
else
- CFLAGS += -Wno-pointer-sign -fno-common
+ CXXFLAGS += -fomit-frame-pointer
endif
+
+ # Highest optimization flag in release builds.
+ CXXFLAGS += -O3
+endif
+
+# Sanitizer selection
+ifeq ($(ASAN),1)
+ CXXFLAGS += -fsanitize=address
endif
+ifeq ($(UBSAN),1)
+ CXXFLAGS += -fsanitize=undefined
+endif
+
+#
+# Dependency flags
+#
+DEPFLAGS := -MMD
+DEPFLAGS += -MP
-ifneq ($(shell git describe --always 2>/dev/null),)
- CFLAGS += -DGMQCC_GITINFO="\"$(shell git describe --always)\""
+#
+# Linker flags
+#
+LDFLAGS :=
+
+# Remove unreferenced sections
+ifeq ($(UNUSED),1)
+ LDFLAGS += -Wl,--gc-sections
endif
-ifeq ($(shell valgrind --version 2>/dev/null),)
- CFLAGS += -DNVALGRIND
+# Enable link-time optimizations if request.
+ifeq ($(LTO),1)
+ LDFLAGS += -flto
endif
-# do this last otherwise there is whitespace in the command output and
-# it makes my OCD act up
-CFLAGS += $(OPTIONAL_CFLAGS)
-LDFLAGS += $(OPTIONAL_LDFLAGS)
-
-#we have duplicate object files when dealing with creating a simple list
-#for dependinces. To combat this we use some clever recrusive-make to
-#filter the list and remove duplicates which we use for make depend
-RMDUP = $(if $1,$(firstword $1) $(call RMDUP,$(filter-out $(firstword $1),$1)))
-DEPS := $(call RMDUP, $(OBJ_P) $(OBJ_T) $(OBJ_C) $(OBJ_X))
-
-ifneq ("$(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
- PAK = gmqpak.exe
- CFLAGS += -DNVALGRIND
-else
-ifneq ("$(MINGW)", "")
- #nullify the common variables that
- #most *nix systems have (for windows)
- PREFIX :=
- BINDIR :=
- DATADIR :=
- MANDIR :=
- QCVM = qcvm.exe
- GMQCC = gmqcc.exe
- TESTSUITE = testsuite.exe
- PAK = gmqpak.exe
- CFLAGS += -DNVALGRIND
-else
- QCVM = qcvm
- GMQCC = gmqcc
- TESTSUITE = testsuite
- PAK = gmqpak
+# Sanitizer selection
+ifeq ($(ASAN),1)
+ LDFLAGS += -fsanitize=address
endif
+ifeq ($(UBSAN),1)
+ LDFLAGS += -fsanitize=undefined
endif
-#standard rules
-c.o:
- $(CC) -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
+# Strip the binaries when not a debug build
+ifneq (,$(findstring -g,$(CXXFLAGS)))
+ STRIP := true
+else
+ STRIP := strip
+endif
-$(QCVM): $(OBJ_X)
- $(CC) -o $@ $^ $(LDFLAGS) $(LIBS)
+all: $(GMQCC) $(QCVM) $(TESTSUITE)
-$(GMQCC): $(OBJ_C) $(OBJ_D)
- $(CC) -o $@ $^ $(LDFLAGS) $(LIBS)
+# Build artifact directories.
+$(DEPDIR):
+ @mkdir -p $(DEPDIR)
+$(OBJDIR):
+ @mkdir -p $(OBJDIR)
-$(TESTSUITE): $(OBJ_T)
- $(CC) -o $@ $^ $(LDFLAGS) $(LIBS)
+$(OBJDIR)/%.o: %.cpp $(DEPDIR)/%.d | $(OBJDIR) $(DEPDIR)
+ $(CXX) -MT $@ $(DEPFLAGS) -MF $(DEPDIR)/$*.Td $(CXXFLAGS) -c -o $@ $<
+ @mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d
-$(PAK): $(OBJ_P)
- $(CC) -o $@ $^ $(LDFLAGS)
+$(GMQCC): $(filter %.o,$(GSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
-all: $(GMQCC) $(QCVM) $(TESTSUITE) $(PAK)
+$(QCVM): $(filter %.o,$(QSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
-check: all
- @ ./$(TESTSUITE)
-test: all
- @ ./$(TESTSUITE)
+$(TESTSUITE): $(filter %.o,$(TSRCS:%.cpp=$(OBJDIR)/%.o))
+ $(CXX) $^ $(LDFLAGS) -o $@
+ $(STRIP) $@
-strip: $(GMQCC) $(QCVM) $(TESTSUITE)
- strip $(GMQCC)
- strip $(QCVM)
- strip $(TESTSUITE)
+# Determine if the tests should be run.
+RUNTESTS := true
+ifdef TESTSUITE
+ RUNTESTS := ./$(TESTSUITE)
+endif
+
+test: $(QCVM) $(TESTSUITE)
+ @$(RUNTESTS)
clean:
- rm -rf *.o $(GMQCC) $(QCVM) $(TESTSUITE) $(PAK) *.dat gource.mp4 *.exe gm-qcc.tgz ./cov-int
-
-depend:
- @ makedepend -Y -w 65536 2> /dev/null $(subst .o,.c,$(DEPS))
-
-
-coverity:
- @cov-build --dir cov-int $(MAKE)
- @tar czf gm-qcc.tgz cov-int
- @rm -rf cov-int
- @echo gm-qcc.tgz generated, submit for analysis
-
-#install rules
-install: install-gmqcc install-qcvm install-gmqpak 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-gmqpak: $(PAK)
- install -d -m755 $(DESTDIR)$(BINDIR)
- install -m755 $(PAK) $(DESTDIR)$(BINDIR)/$(PAK)
-install-doc:
- install -d -m755 $(DESTDIR)$(MANDIR)/man1
- install -m644 doc/gmqcc.1 $(DESTDIR)$(MANDIR)/man1/
- install -m644 doc/qcvm.1 $(DESTDIR)$(MANDIR)/man1/
- install -m644 doc/gmqpak.1 $(DESTDIR)$(MANDIR)/man1/
-
-# DO NOT DELETE
-
-ansi.o: platform.h gmqcc.h opts.def
-util.o: gmqcc.h opts.def platform.h
-hash.o: gmqcc.h opts.def
-stat.o: gmqcc.h opts.def
-fs.o: gmqcc.h opts.def platform.h
-opts.o: gmqcc.h opts.def
-conout.o: gmqcc.h opts.def
-pak.o: gmqcc.h opts.def
-test.o: gmqcc.h opts.def platform.h
-main.o: gmqcc.h opts.def lexer.h
-lexer.o: gmqcc.h opts.def lexer.h
-parser.o: parser.h gmqcc.h opts.def lexer.h ast.h ir.h
-code.o: gmqcc.h opts.def
-ast.o: gmqcc.h opts.def ast.h ir.h parser.h lexer.h
-ir.o: gmqcc.h opts.def ir.h
-ftepp.o: gmqcc.h opts.def lexer.h
-utf8.o: gmqcc.h opts.def
-correct.o: gmqcc.h opts.def
-fold.o: ast.h ir.h gmqcc.h opts.def parser.h lexer.h
-intrin.o: parser.h gmqcc.h opts.def lexer.h ast.h ir.h
-exec.o: gmqcc.h opts.def
+ 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 $@)