[Buildroot] [PATCH v3 1/1] package/meson: fix cpu_family format

* [Buildroot] [PATCH v3 1/1] package/meson: fix cpu_family format
@ 2018-12-16 23:14 james.hilliard1 at gmail.com
  2018-12-25 18:56 ` Yann E. MORIN
  0 siblings, 1 reply; 6+ messages in thread
From: james.hilliard1 at gmail.com @ 2018-12-16 23:14 UTC (permalink / raw)
  To: buildroot

From: James Hilliard <james.hilliard1@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@gmail.com>
---
Changes v1 -> v2:
  - change riscv to 64 bit

Changes v2 -> v3:
  - combine HOST_MESON_TARGET_CPU_FAMILY archs
---
 package/meson/cross-compilation.conf.in |  1 +
 package/meson/meson.mk                  | 31 ++++++++++++++++++++++++++++++-
 2 files changed, 31 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..1113bf0 100644
--- a/package/meson/meson.mk
+++ b/package/meson/meson.mk
@@ -16,6 +16,35 @@ 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 ($(BR2_arcle)$(BR2_arceb),y)
+HOST_MESON_TARGET_CPU_FAMILY = arc
+else ifeq ($(BR2_arm)$(BR2_armeb),y)
+HOST_MESON_TARGET_CPU_FAMILY = arm
+else ifeq ($(BR2_aarch64)$(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)$(BR2_mipsel),y)
+HOST_MESON_TARGET_CPU_FAMILY = mips
+else ifeq ($(BR2_mips64)$(BR2_mips64el),y)
+HOST_MESON_TARGET_CPU_FAMILY = mips64
+else ifeq ($(BR2_powerpc),y)
+HOST_MESON_TARGET_CPU_FAMILY = ppc
+else ifeq ($(BR2_powerpc64)$(BR2_powerpc64le),y)
+HOST_MESON_TARGET_CPU_FAMILY = ppc64
+else ifeq ($(BR2_riscv),y)
+HOST_MESON_TARGET_CPU_FAMILY = riscv64
+else ifeq ($(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 +52,7 @@ 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" \
-- 
2.7.4

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