Makefile.tsduck

#-----------------------------------------------------------------------------
#
#  TSDuck - The MPEG Transport Stream Toolkit
#  Copyright (c) 2005-2021, Thierry Lelegard
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#
#  1. Redistributions of source code must retain the above copyright notice,
#     this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
#  THE POSSIBILITY OF SUCH DAMAGE.
#
#-----------------------------------------------------------------------------
#
#  Common makefile definitions for the TSDuck project.
#
#-----------------------------------------------------------------------------


# Duplicate output for specific compilers or profiling tools.
ifdef LLVM
    BINDIR_SUFFIX = -clang
endif
ifdef GCOV
    BINDIR_SUFFIX = -gcov
endif
ifdef GPROF
    BINDIR_SUFFIX = -gprof
endif

# Standard common makefile is in same directory.
include $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))/Makefile.common

# Project specific directories and files.

INSTALLERDIR = $(ROOTDIR)/installers
SRCROOT      = $(ROOTDIR)/src
LIBTSDUCKDIR = $(SRCROOT)/libtsduck
TSTOOLSDIR   = $(SRCROOT)/tstools
TSPLUGINSDIR = $(SRCROOT)/tsplugins

STATIC_LIBTSDUCK = $(BINDIR)/libtsduck.a
SHARED_LIBTSDUCK = $(BINDIR)/libtsduck.so

ifndef TSPLUGINS
    export TSPLUGINS := $(sort $(filter-out $(if $(NOTELETEXT),tsplugin_teletext,),\
                                            $(notdir $(basename $(wildcard $(TSPLUGINSDIR)/tsplugin_*.cpp)))))
    export TSEXECS   := $(sort $(filter-out $(notdir $(basename $(wildcard $(TSTOOLSDIR)/*.h))),\
                                            $(notdir $(basename $(wildcard $(TSTOOLSDIR)/*.cpp)))))
endif

# Default installation root.
# RPM packagers should override this in the "make install" command line.

SYSROOT =

# A shortcut-target to rebuild with static linking.
# Not meaningfull everywhere:
# - Static linking with system libraries is not supported on macOS.
# - On Linux, all used libraries must be installed. This is not supported
#   on all distros. On Fedora, you may install "glibc-static libstdc++-static"
#   but there is no static package for curl and pcsclite.

.PHONY: static
static:
	+@$(MAKE) STATIC=true

ifeq ($(STATIC),)
    # Dynamic (default) link
    LDLIBS := -ldl $(LDLIBS)
else ifdef MACOS
    $(error static linking is not supported on macOS)
else
    NOCURL  = true
    NOPCSC  = true
    NODTAPI = true
    NOSRT   = true
    NOTEST  = true
    CFLAGS_INCLUDES += -DTSDUCK_STATIC=1
endif

# External include directories and libraries.

ifdef CROSS_TARGET
    # Some libraries are bypassed in cross-compilation.
    NOCURL  = true
    NOPCSC  = true
    NODTAPI = true
    NOSRT   = true
endif

ifdef NOTELETEXT
    CFLAGS_INCLUDES += -DTS_NOTELETEXT=1
endif

ifdef ASSERTIONS
    CFLAGS_INCLUDES += -DTS_KEEP_ASSERTIONS=1
endif

ifeq ($(MACOS)$(NOSRT),)
    # Not on macOS and SRT not disabled, check if libsrt is available.
    NOSRT := $(if $(wildcard /usr/include/srt/*.h)$(wildcard /usr/local/include/srt/*.h),,true)
endif

ifneq ($(NOSRT),)
    CFLAGS_INCLUDES += -DTS_NOSRT=1
else
    LDLIBS := -lsrt $(LDLIBS)
endif

ifdef NOCURL
    CFLAGS_INCLUDES += -DTS_NO_CURL=1
else
    ifndef CFLAGS_CURL
        export CFLAGS_CURL := $(shell curl-config --cflags)
        export LDLIBS_CURL := $(shell curl-config --libs)
    endif
    CFLAGS_INCLUDES += $(CFLAGS_CURL)
    LDLIBS := $(LDLIBS_CURL) $(LDLIBS)
endif

ifdef NOPCSC
    CFLAGS_INCLUDES += -DTS_NO_PCSC=1
else ifeq ($(MACOS),)
    # PCSC on Linux
    CFLAGS_INCLUDES += -I/usr/include/PCSC
    LDLIBS := -lpcsclite $(LDLIBS)
else
    # PCSC on macOS
    PCSC_ROOT = $(word 1,$(wildcard /opt/homebrew/opt/pcsc-lite /usr/local/opt/pcsc-lite))
    CFLAGS_INCLUDES += -I$(PCSC_ROOT)/include/PCSC
    LDLIBS := -L$(PCSC_ROOT)/lib -lpcsclite $(LDLIBS)
endif

ifdef NODTAPI
    CFLAGS_INCLUDES += -DTS_NO_DTAPI=1
endif

ifdef BITRATE_DECIMALS
    CFLAGS_INCLUDES += -DTS_BITRATE_DECIMALS=$(BITRATE_DECIMALS)
endif

ifeq ($(MACOS),)
    # Link flags on Linux
    CFLAGS_INCLUDES += -I$(LIBTSDUCKDIR)/linux
    LDFLAGS_EXTRA += -Wl,-rpath,'$$ORIGIN',-z,noexecstack
    SOFLAGS = -Wl,-soname=$(notdir $@),-z,noexecstack
else
    # Link flags on macOS
    CFLAGS_INCLUDES += -I$(LIBTSDUCKDIR)/mac
    LDFLAGS_EXTRA += -Wl,-rpath,@executable_path -Wl,-rpath,@executable_path/../lib
    SOFLAGS = -install_name '@rpath/$(notdir $@)'
endif

CFLAGS_INCLUDES += $(addprefix -I,$(shell find $(LIBTSDUCKDIR) -type d ! -name private ! -name windows ! -name $(if $(MACOS),linux,mac)))

ifneq ($(TS_NO_BUILD_VERSION),)
    CPPFLAGS += -DTS_NO_BUILD_VERSION
endif

# Make sure that full paths of source files never appear in binaries.
ifneq ($(CC_FILE_PREFIX_MAP),)
    CXXFLAGS += -ffile-prefix-map=$(SRCROOT)/=
endif