scummvm/Makefile
aryanrawlani28 6735c46c41 MAKEFILES: Add a variable which helps in deciding if rules.mk should be used or not
- It is always enabled by default
- Only disabled when we would include all engine module files, so we don't include unnecessary stuff
2020-10-03 14:56:36 +02:00

138 lines
4.4 KiB
Makefile

#######################################################################
# Default compilation parameters. Normally don't edit these #
#######################################################################
srcdir ?= .
DEFINES := -DHAVE_CONFIG_H
LDFLAGS :=
INCLUDES := -I. -I$(srcdir) -I$(srcdir)/engines
LIBS :=
OBJS :=
DEPDIR := .deps
MODULES :=
MODULE_DIRS :=
# All game detection-related object files for engines
DETECT_OBJS :=
USE_RULES := 1
# Load the make rules generated by configure
-include config.mk
ifeq "$(HAVE_GCC)" "1"
CXXFLAGS:= -Wall $(CXXFLAGS)
# Turn off some annoying and not-so-useful warnings
CXXFLAGS+= -Wno-long-long -Wno-multichar -Wno-unknown-pragmas -Wno-reorder
# Enable even more warnings...
CXXFLAGS+= -Wpointer-arith -Wcast-qual
CXXFLAGS+= -Wshadow -Wnon-virtual-dtor -Wwrite-strings
# Currently we disable this gcc flag, since it will also warn in cases,
# where using GCC_PRINTF (means: __attribute__((format(printf, x, y))))
# is not possible, thus it would fail compiliation with -Werror without
# being helpful.
#CXXFLAGS+= -Wmissing-format-attribute
# Disable exceptions.
CXXFLAGS+= -fno-exceptions
ifneq "$(HAVE_CLANG)" "1"
# enable checking of pointers returned by "new", but only when we do not
# build with clang
CXXFLAGS+= -fcheck-new
endif
endif
ifeq "$(HAVE_CLANG)" "1"
CXXFLAGS+= -Wno-conversion -Wno-shorten-64-to-32 -Wno-sign-compare -Wno-four-char-constants
# We use a anonymous nested type declaration in an anonymous union in
# common/str.h. This is no standard construct and clang warns about it.
# It works for all our target systems though, thus we simply disable that
# warning.
CXXFLAGS+= -Wno-nested-anon-types
endif
ifeq "$(HAVE_ICC)" "1"
# Disable some warnings:
# 161: unrecognized #pragma
# 1899: multicharacter character literal (potential portability problem)
CXXFLAGS+= -diag-disable 161,1899
endif
#######################################################################
# Default commands - put the necessary replacements in config.mk #
#######################################################################
CAT ?= cat
CP ?= cp
ECHO ?= printf
INSTALL ?= install
MKDIR ?= mkdir -p
RM ?= rm -f
RM_REC ?= $(RM) -r
ZIP ?= zip -q
#######################################################################
# Misc stuff - you should never have to edit this #
#######################################################################
EXECUTABLE := $(EXEPRE)scummvm$(EXEEXT)
include $(srcdir)/Makefile.common
ENGINE_SUBDIRS_CONFIGURE := $(wildcard $(srcdir)/engines/*/configure.engine)
config.h:
SAVED_ENV_VARS = AR AS ASFLAGS CPPFLAGS CXX CXXFLAGS LD LDFLAGS RANLIB SDL_CONFIG STRIP WINDRES WINDRESFLAGS
# The environment variable PKG_CONFIG_LIBDIR has a different meaning
# for pkg-config when it is empty and when it is not defined.
# When PKG_CONFIG_LIBDIR is defined but empty, the .pc files cannot
# be found because the search path is empty.
# Here we make sure not to define PKG_CONFIG_LIBDIR when automatically
# running configure and it was not set for the previous run
# so pkg-config uses the system default search path for the .pc files.
ifneq ($(SAVED_PKG_CONFIG_LIBDIR),unset)
SAVED_ENV_VARS += PKG_CONFIG_LIBDIR
endif
# check if configure has been run or has been changed since last run
config.h: $(srcdir)/configure $(ENGINE_SUBDIRS_CONFIGURE)
ifeq "$(findstring config.mk,$(MAKEFILE_LIST))" "config.mk"
@echo "Running $(srcdir)/configure with the last specified parameters"
@sleep 2
$(foreach VAR,$(SAVED_ENV_VARS),$(VAR)="$(SAVED_$(VAR))") \
$(srcdir)/configure $(SAVED_CONFIGFLAGS)
else
$(error You need to run $(srcdir)/configure before you can run make. Check $(srcdir)/configure --help for a list of parameters)
endif
config.mk engines/plugins_table.h engines/engines.mk: config.h
@if test -f $@; then \
touch $@; \
else \
rm -f config.h; \
$(MAKE) config.h; \
fi
ifneq ($(origin port_mk), undefined)
include $(srcdir)/$(port_mk)
endif
.PHONY: print-dists print-executables print-version print-distversion
print-dists:
@echo $(DIST_FILES_DOCS) $(DIST_FILES_THEMES) $(DIST_FILES_NETWORKING) $(DIST_FILES_VKEYBD) $(DIST_FILES_ENGINEDATA) $(DIST_FILES_PLATFORM) $(srcdir)/doc
print-executables:
@echo $(if $(DIST_EXECUTABLES),$(DIST_EXECUTABLES),$(EXECUTABLE) $(PLUGINS))
print-version:
@echo $(VERSION)
print-distversion:
@echo $(DISTVERSION)