cfbf8abc33
This patch modifies current toolchain build sequence so that NPTL enabled toolchain can be built. The new sequence works well with linuxthreads as well. It introduces a new pass for gcc cross compilation. The new sequence is binutils->gcc-initial->linux-headers -> uclibc-configured (some cheats to generate phony shared libc.so and libm.o) -> gcc-intermediate(with shared lib support) -> uclibc -> gcc-final I also added a new sample config arm_nptl_toolchain_defconfig which builds the toolchain and busybox. I have only tried it on arm. However it should work for other architectures which support NPTL on uclibc e.g. mips, sh, x86, ppc, x86_64 Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
125 lines
3.1 KiB
Plaintext
125 lines
3.1 KiB
Plaintext
# Choose gcc version.
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comment "GCC Options"
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choice
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prompt "GCC compiler Version"
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default BR2_GCC_VERSION_4_3_X if !BR2_avr32
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default BR2_GCC_VERSION_4_2_3 if BR2_avr32
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help
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Select the version of gcc you wish to use.
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config BR2_GCC_VERSION_4_2_1
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depends on !BR2_avr32
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depends on BR2_DEPRECATED
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bool "gcc 4.2.1"
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config BR2_GCC_VERSION_4_2_2
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depends on !BR2_avr32
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depends on BR2_DEPRECATED
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bool "gcc 4.2.2"
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config BR2_GCC_VERSION_4_2_2_AVR32_2_1_5
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depends on BR2_avr32
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bool "gcc 4.2.2-avr32-2.1.5"
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config BR2_GCC_VERSION_4_2_3
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depends on !BR2_avr32
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depends on BR2_DEPRECATED
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bool "gcc 4.2.3"
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config BR2_GCC_VERSION_4_2_4
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depends on !BR2_avr32
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bool "gcc 4.2.4"
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config BR2_GCC_VERSION_4_3_X
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depends on !BR2_avr32
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bool "gcc 4.3.x"
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config BR2_GCC_VERSION_4_4_X
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depends on !BR2_avr32
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bool "gcc 4.4.x"
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config BR2_GCC_VERSION_SNAP
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depends on !BR2_avr32
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bool "gcc snapshot"
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endchoice
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config BR2_GCC_SUPPORTS_FINEGRAINEDMTUNE
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bool
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default y if !BR2_GCC_VERSION_4_2_1 && !BR2_GCC_VERSION_4_2_2 && !BR2_GCC_VERSION_4_2_3 && !BR2_GCC_VERSION_4_2_4 && !BR2_GCC_VERSION_4_2_2_AVR32_2_1_5
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config BR2_GCC_SNAP_DATE
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string "GCC snapshot date"
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default "20070921"
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depends on BR2_GCC_VERSION_SNAP
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help
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Enter snapshot date to use for gcc. Format is:
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YYYYMMDD
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config BR2_GCC_VERSION
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string
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default "4.2.1" if BR2_GCC_VERSION_4_2_1
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default "4.2.2" if BR2_GCC_VERSION_4_2_2
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default "4.2.2-avr32-2.1.5" if BR2_GCC_VERSION_4_2_2_AVR32_2_1_5
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default "4.2.3" if BR2_GCC_VERSION_4_2_3
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default "4.2.4" if BR2_GCC_VERSION_4_2_4
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default "4.3.5" if BR2_GCC_VERSION_4_3_X
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default "4.4.4" if BR2_GCC_VERSION_4_4_X
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default $BR2_GCC_SNAP_DATE if BR2_GCC_VERSION_SNAP
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config BR2_EXTRA_GCC_CONFIG_OPTIONS
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string "Additional gcc options"
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default ""
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help
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Any additional gcc configure options you may want to include....
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config BR2_GCC_CROSS_FORTRAN
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bool "Fortran cross-compiler support"
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depends on !BR2_avr32
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help
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Build a Fortran cross-compiler
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config BR2_GCC_CROSS_JAVA
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bool
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config BR2_INSTALL_LIBGCJ
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bool "Build/install java compiler and libgcj?"
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depends on !BR2_avr32 && BR2_INSTALL_LIBSTDCPP
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select BR2_GCC_CROSS_JAVA
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select BR2_LARGEFILE
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depends on BROKEN
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help
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Build/install java compiler and libgcj?
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config BR2_INSTALL_OBJC
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bool "Build/install Objective-C compiler and runtime?"
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depends on !BR2_avr32
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help
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Build/install Objective-C compiler and runtime?
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config BR2_INSTALL_FORTRAN
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bool "Build/install Fortran compiler and runtime?"
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depends on !BR2_avr32
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select BR2_PACKAGE_LIBMPFR
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help
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Build/install Fortran compiler and runtime?
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Note that it is highly recommended NOT to use gfortran
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from gcc older than 4.2.0
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config BR2_GCC_SHARED_LIBGCC
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bool "Build/install a shared libgcc?"
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depends on !BR2_PREFER_STATIC_LIB
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default y
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depends on !BR2_sparc && !BR2_sparc64
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help
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Build/install a shared libgcc library
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config BR2_GCC_ENABLE_TLS
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bool "Enable compiler tls support"
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default y
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depends on BR2_PTHREADS_NATIVE
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help
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Enable the compiler to generate code for accessing
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thread local storage variables
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