#
#    File:   Makefile.core.iPhoneOS
#    Author: Mike Frandsen
#    Date:   Mon Dec 17, 2012
#
#    Description:
#	Common compilation options and variable definitions
#	for iOS to be built on a Mac. Started from macosx Makefile.
#

# Use ?= to allow user to customize XCODE_DEVELOPER path externally
XCODE_DEVELOPER ?= /Applications/Xcode.app/Contents/Developer

# LOCAL_PLATFORM_NAME and XCODE_SDK_VERSION to be set by Makefile that includes this one
DEVROOT = $(XCODE_DEVELOPER)/Platforms/$(LOCAL_PLATFORM_NAME).platform/Developer
SDKROOT = ${DEVROOT}/SDKs/$(LOCAL_PLATFORM_NAME)$(XCODE_SDK_VERSION).sdk

ifeq ($(strip $(wildcard ${SDKROOT})),)
  $(error "Check XCODE_SDK_VERSION=${XCODE_SDK_VERSION}; Can't find SDKROOT ${SDKROOT}")
endif

# No TCL Libraries by default
TCL_INCLUDE =
TCL_LIBRARY =
NO_TCL = X

# Use the GNU C compiler.
GCC_FLAGS = -Wreturn-type -Wimplicit
# Using XCODE_DEVELOPER path not DEVROOT since tools not always available
CC = ${XCODE_DEVELOPER}/usr/bin/gcc $(GCC_FLAGS) -Wimplicit-int
CXX = ${XCODE_DEVELOPER}/usr/bin/g++ $(GCC_FLAGS) -DINSTANTIATE_TEMPLATES
# Can set for C++ 11 and force libc++ (may be useful if targeting before iOS 7.0).
#CXX += -std=c++11 -stdlib=libc++

# NOTE: Not adding ${DEVROOT} below since tools not always available
ARCHIVE = /usr/bin/ar cru
RANLIB = /usr/bin/ranlib -s

# Optional compilation flags.
#OPTIMIZE_FLAGS = -g -O2 -fno-common
OPTIMIZE_FLAGS = -O2 -fno-common -DNDEBUG
DEBUG_FLAGS = -g -DDEBUG
PROFILE_FLAGS = -pg -g -O2

# Optional linking flags.
EXPORT_LDFLAGS = 

# Shared compilation flags.
# Introduced variable below for shared flags but is only used locally to this Makefile
# NOTE: 5.1 is intended for compatibility. 7.0 onward uses libc++ instead of libstdc++.
LOCAL_COMMON_FLAGS = $(INCLUDES) -DHAVE_ZOPEN -DNO_ICONV "-miphoneos-version-min=7.0" -arch $(LOCAL_TARGET_ARCH) -pipe -no-cpp-precomp -isysroot ${SDKROOT} -fPIC
CFLAGS = $(ADDITIONAL_CFLAGS) $(LOCAL_COMMON_FLAGS)
CXXFLAGS = $(ADDITIONAL_CXXFLAGS) $(LOCAL_COMMON_FLAGS)

# Shared linking flags.
# MWF: Added "-e _main" to avoid errors about missing "start" symbol
LDFLAGS = $(ADDITIONAL_LDFLAGS) -L$(SRILM_LIBDIR) -e _main

# Other useful compilation flags.
ADDITIONAL_CFLAGS =
ADDITIONAL_CXXFLAGS =

# Other useful include directories.
ADDITIONAL_INCLUDES = 

# Other useful linking flags; include this and set if necessary
#ADDITIONAL_LDFLAGS =  

# Other useful libraries.
ADDITIONAL_LIBRARIES = 

# Generate dependencies from source files.
GEN_DEP = $(CC) $(CFLAGS) -MM
GEN_DEP.cc = $(CXX) $(CXXFLAGS) -MM

# Run lint.
LINT = lint
LINT_FLAGS = -DDEBUG $(CFLAGS)

# Location of gawk binary varies, let's assume it's in the PATH
GAWK = $(shell which gawk)

# Override to nothing
MATHERR_LINK =