# CONFIG.Common.iosCommon
#
# This file is maintained by the build community.
#
# Definitions for all Apple iOS builds
# Sites may override these definitions in CONFIG_SITE.Common.iosCommon
# or CONFIG_SITE.<host>.iosCommon
#-------------------------------------------------------

# Include definitions common to all Unix targets
include $(CONFIG)/os/CONFIG.Common.UnixCommon

# Include common gnu compiler definitions
include $(CONFIG)/CONFIG.gnuCommon

#-------------------------------------------------------
# Valid build types
VALID_BUILDS = Ioc

#-------------------------------------------------------
# operating system class (include/os/<os_class>)
OS_CLASS = iOS

#--------------------------------------------------
# GNU and SDK directories
GNU_DIR = $(PLATFORM_DIR)/Developer/usr
SDK_DIR = $(PLATFORM_DIR)/Developer/SDKs/$(IOS_PLATFORM).sdk

#-------------------------------------------------------
# Build architecture flags
#   ARCH_CLASS must contain a list of CPU architectures which must be
#   valid arguments to the -arch options for the cc and ld commands.
#   ARCH_CLASS is defined in a CONFIG_SITE file which is not loaded
#   until after this file.
#
ARCH_DEP_FLAGS = $(addprefix -arch ,$(ARCH_CLASS))
ARCH_DEP_CFLAGS += $(ARCH_DEP_FLAGS)
ARCH_DEP_LDFLAGS += $(ARCH_DEP_FLAGS)

#--------------------------------------------------
# Operating system flags
OP_SYS_CFLAGS += -isysroot $(SDK_DIR)
OP_SYS_LDFLAGS += -isysroot $(SDK_DIR)

#-------------------------------------------------------
# Compiler definitions:

CC_GNU  = gcc
CCC_GNU = g++
CMPLR_CLASS_GNU = gcc

CC_LLVM_GNU  = llvm-gcc
CCC_LLVM_GNU = llvm-g++
CMPLR_CLASS_LLVM_GNU = gcc

CC_CLANG  = clang
CCC_CLANG = clang++
CMPLR_CLASS_CLANG = clang

CMPLR_CLASS = $(CMPLR_CLASS_$(COMPILER))

# Convert the iOS platform to lowercase for passing to xcrun's sdk parameter
XCRUN_SDK_BASE = $(shell echo $(IOS_PLATFORM) | tr A-Z a-z)

#-------------------------------------------------------
# Linker flags
GNU_LDLIBS_YES =
OP_SYS_LDFLAGS += -dynamic -Z -L$(SDK_DIR)/usr/lib -L$(SDK_DIR)/usr/lib/system

#-------------------------------------------------------
# Shared libraries
SHRLIB_VERSION = $(EPICS_VERSION).$(EPICS_REVISION).$(EPICS_MODIFICATION)
SHRLIB_LDFLAGS = -dynamiclib -flat_namespace -undefined suppress \
       -install_name $(abspath $(INSTALL_LIB))/$@ \
       -compatibility_version $(EPICS_VERSION).$(EPICS_REVISION) \
       -current_version $(SHRLIB_VERSION)
SHRLIB_SUFFIX_BASE = .dylib
SHRLIB_SUFFIX = .$(SHRLIB_VERSION)$(SHRLIB_SUFFIX_BASE)

LOADABLE_SHRLIB_LDFLAGS = -bundle -flat_namespace -undefined suppress

#--------------------------------------------------
# code flags
CODE_CFLAGS = -fno-common -Wno-unused-value
CODE_CXXFLAGS = -fno-common

#
# Add support for Objective-C source
#
vpath %.m $(USR_VPATH) $(ALL_SRC_DIRS)
%.o: %.m
	$(COMPILE.c) -c $<

#--------------------------------------------------
# Allow site overrides
-include $(CONFIG)/os/CONFIG_SITE.Common.iosCommon
-include $(CONFIG)/os/CONFIG_SITE.$(EPICS_HOST_ARCH).iosCommon

#--------------------------------------------------
# Find the Xcode programs for the selected SDK
CC := $(shell xcrun -sdk $(XCRUN_SDK_BASE) -find $(CC_$(COMPILER)))
CCC := $(shell xcrun -sdk $(XCRUN_SDK_BASE) -find $(CCC_$(COMPILER)))
AR := $(shell xcrun -sdk $(XCRUN_SDK_BASE) -find ar) -rc
LD := $(shell xcrun -sdk $(XCRUN_SDK_BASE) -find ld) -r
RANLIB := $(shell xcrun -sdk $(XCRUN_SDK_BASE) -find ranlib)