crust build fails when cc link is missing (e.g. minimal Ubuntu 20.04)
use host-gcc from the toolchain instead.
addition of the patch fixes the following error.
BUILD crust (target)
TOOLCHAIN manual
...
HOSTCC build/3rdparty/kconfig/conf.o
/bin/sh: 1: exec: cc: not found
make[1]: *** [Makefile:170: build/3rdparty/kconfig/conf.o] Error 127
...
Without defining HOSTCC Makefile.host was defaulting to the operating
system cc. In the minimal docker image (focal) - cc is not available.
BUILD u-boot (target)
TOOLCHAIN make (auto-detect)
make[1]: Entering directory
HOSTCC scripts/basic/fixdep
/bin/sh: 1: cc: not found
make[2]: *** [scripts/Makefile.host:95: scripts/basic/fixdep] Error 127
make[1]: *** [Makefile:488: scripts_basic] Error 2
make[1]: Leaving directory
FAILURE: scripts/build u-boot:target during make_target (package.mk)
*********** FAILED COMMAND ***********
DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="" ARCH=arm make $(${ROOT}/${SCRIPTS}/uboot_helper ${PROJECT} ${DEVICE} ${UBOOT_SYSTEM} config)
*********** FAILED COMMAND ***********
Without defining HOSTCC Makefile.host was defaulting to the operating
system cc. In the minimal docker image (focal) - cc is not available.
PROJECT=Amlogic ARCH=aarch64 DEVICE=AMLGX UBOOT_SYSTEM=odroid-n2 scripts/build u-boot-tools:host
BUILD u-boot-tools (host)
TOOLCHAIN make (auto-detect)
PKG_NAME="u-boot-tools"
HOSTCC scripts/basic/fixdep
/bin/sh: 1: cc: not found
make[1]: *** [scripts/Makefile.host:95: scripts/basic/fixdep] Error 127
make: *** [Makefile:488: scripts_basic] Error 2
FAILURE: s/build u-boot-tools:host during make_host (package.mk)
*********** FAILED COMMAND ***********
make qemu-x86_64_defconfig
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