[Buildroot] [PATCH 1/1] package/meson: fix cpu_family format

Baruch Siach baruch at tkos.co.il
Sun Dec 16 07:38:27 UTC 2018


Hi James,

james.hilliard1 at gmail.com writes:
> From: James Hilliard <james.hilliard1 at gmail.com>
>
> Meson expects the cpu_family to be in a specific format for
> cross compilation, otherwise packages that use cpu_family
> detection may fail to build.
>
> We also need to set needs_exe_wrapper = true to ensure that
> meson won't try and execute test binaries.
>
> Signed-off-by: James Hilliard <james.hilliard1 at gmail.com>
> ---
>  package/meson/cross-compilation.conf.in |  1 +
>  package/meson/meson.mk                  | 43 ++++++++++++++++++++++++++++++++-
>  2 files changed, 43 insertions(+), 1 deletion(-)
>
> diff --git a/package/meson/cross-compilation.conf.in b/package/meson/cross-compilation.conf.in
> index 0eec740..fc8e27f 100644
> --- a/package/meson/cross-compilation.conf.in
> +++ b/package/meson/cross-compilation.conf.in
> @@ -11,6 +11,7 @@ strip = '@TARGET_CROSS at strip'
>  pkgconfig = '@HOST_DIR@/usr/bin/pkg-config'
>
>  [properties]
> +needs_exe_wrapper = true
>  c_args = [@TARGET_CFLAGS@]
>  c_link_args = [@TARGET_LDFLAGS@]
>  cpp_args = [@TARGET_CXXFLAGS@]
> diff --git a/package/meson/meson.mk b/package/meson/meson.mk
> index e1675c2..51512b2 100644
> --- a/package/meson/meson.mk
> +++ b/package/meson/meson.mk
> @@ -16,6 +16,47 @@ HOST_MESON_NEEDS_HOST_PYTHON = python3
>  HOST_MESON_TARGET_ENDIAN = $(call LOWERCASE,$(BR2_ENDIAN))
>  HOST_MESON_TARGET_CPU = $(GCC_TARGET_CPU)
>
> +# https://mesonbuild.com/Reference-tables.html#cpu-families
> +ifeq ($(BR2_arcle),y)
> +HOST_MESON_TARGET_CPU_FAMILY = arc
> +else ifeq ($(BR2_arceb),y)
> +HOST_MESON_TARGET_CPU_FAMILY = arc
> +else ifeq ($(BR2_arm),y)
> +HOST_MESON_TARGET_CPU_FAMILY = arm
> +else ifeq ($(BR2_armeb),y)
> +HOST_MESON_TARGET_CPU_FAMILY = arm
> +else ifeq ($(BR2_aarch64),y)
> +HOST_MESON_TARGET_CPU_FAMILY = aarch64
> +else ifeq ($(BR2_aarch64_be),y)
> +HOST_MESON_TARGET_CPU_FAMILY = aarch64
> +else ifeq ($(BR2_i386),y)
> +HOST_MESON_TARGET_CPU_FAMILY = x86
> +else ifeq ($(BR2_mips),y)
> +HOST_MESON_TARGET_CPU_FAMILY = mips
> +else ifeq ($(BR2_mipsel),y)
> +HOST_MESON_TARGET_CPU_FAMILY = mips
> +else ifeq ($(BR2_mips64),y)
> +HOST_MESON_TARGET_CPU_FAMILY = mips64
> +else ifeq ($(BR2_mips64el),y)
> +HOST_MESON_TARGET_CPU_FAMILY = mips64
> +else ifeq ($(BR2_powerpc),y)
> +HOST_MESON_TARGET_CPU_FAMILY = ppc
> +else ifeq ($(BR2_powerpc64),y)
> +HOST_MESON_TARGET_CPU_FAMILY = ppc64
> +else ifeq ($(BR2_powerpc64le),y)
> +HOST_MESON_TARGET_CPU_FAMILY = ppc64
> +else ifeq ($(BR2_riscv),y)
> +HOST_MESON_TARGET_CPU_FAMILY = riscv32

Are you sure? Buildroot only supports riscv64 currently. See
arch/Config.in.riscv.

baruch

> +else ifeq ($(BR2_sparc),y)
> +HOST_MESON_TARGET_CPU_FAMILY = sparc
> +else ifeq ($(BR2_sparc64),y)
> +HOST_MESON_TARGET_CPU_FAMILY = sparc64
> +else ifeq ($(BR2_x86_64),y)
> +HOST_MESON_TARGET_CPU_FAMILY = x86_64
> +else
> +HOST_MESON_TARGET_CPU_FAMILY = $(ARCH)
> +endif
> +
>  HOST_MESON_SED_CFLAGS = $(if $(TARGET_CFLAGS),`printf '"%s"$(comma) ' $(TARGET_CFLAGS)`)
>  HOST_MESON_SED_LDFLAGS = $(if $(TARGET_LDFLAGS),`printf '"%s"$(comma) ' $(TARGET_LDFLAGS)`)
>  HOST_MESON_SED_CXXFLAGS = $(if $(TARGET_CXXFLAGS),`printf '"%s"$(comma) ' $(TARGET_CXXFLAGS)`)
> @@ -23,7 +64,7 @@ HOST_MESON_SED_CXXFLAGS = $(if $(TARGET_CXXFLAGS),`printf '"%s"$(comma) ' $(TARG
>  define HOST_MESON_INSTALL_CROSS_CONF
>  	mkdir -p $(HOST_DIR)/etc/meson
>  	sed -e "s%@TARGET_CROSS@%$(TARGET_CROSS)%g" \
> -	    -e "s%@TARGET_ARCH@%$(ARCH)%g" \
> +	    -e "s%@TARGET_ARCH@%$(HOST_MESON_TARGET_CPU_FAMILY)%g" \
>  	    -e "s%@TARGET_CPU@%$(HOST_MESON_TARGET_CPU)%g" \
>  	    -e "s%@TARGET_ENDIAN@%$(HOST_MESON_TARGET_ENDIAN)%g" \
>  	    -e "s%@TARGET_CFLAGS@%$(HOST_MESON_SED_CFLAGS)%g" \


--
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
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   - baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -



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