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64 lines
1.7 KiB
Makefile
64 lines
1.7 KiB
Makefile
LIBC_PORT_DIR := $(call select_from_ports,libc)
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#
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# Add generic libc headers to standard include search paths
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#
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INC_DIR += $(LIBC_PORT_DIR)/include/libc
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#
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# Genode-specific supplements to standard libc headers
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#
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REP_INC_DIR += include/libc-genode
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#
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# Add platform-specific libc headers to standard include search paths
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#
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ifeq ($(filter-out $(SPECS),x86),)
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ifeq ($(filter-out $(SPECS),32bit),)
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LIBC_ARCH_INC_DIR := $(LIBC_PORT_DIR)/include/libc-i386
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endif # 32bit
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ifeq ($(filter-out $(SPECS),64bit),)
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LIBC_ARCH_INC_DIR := $(LIBC_PORT_DIR)/include/libc-amd64
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endif # 32bit
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endif # x86
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ifeq ($(filter-out $(SPECS),arm),)
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LIBC_ARCH_INC_DIR := $(LIBC_PORT_DIR)/include/libc-arm
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endif # ARM
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#
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# If we found no valid include path for the configured target platform,
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# we have to prevent the build system from building the target. This is
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# done by adding an artificial requirement.
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#
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ifeq ($(LIBC_ARCH_INC_DIR),)
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REQUIRES += libc_support_for_your_target_platform
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endif
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INC_DIR += $(LIBC_ARCH_INC_DIR)
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#
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# Prevent gcc headers from defining __size_t. This definition is done in
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# machine/_types.h.
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#
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CC_OPT += -D__FreeBSD__=8
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#
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# Prevent gcc-4.4.5 from generating code for the family of 'sin' and 'cos'
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# functions because the gcc-generated code would actually call 'sincos'
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# or 'sincosf', which is a GNU extension, not provided by our libc.
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#
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CC_OPT += -fno-builtin-sin -fno-builtin-cos -fno-builtin-sinf -fno-builtin-cosf
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#
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# Automatically add the base library for targets that use the libc
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#
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# We test for an empty 'LIB_MK' variable to determine whether we are currently
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# processing a library or a target. We only want to add the base library to
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# targets, not libraries.
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#
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ifeq ($(LIB_MK),)
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LIBS += base
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endif
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