I don't know if this is a problem related to OpenWrt or Guix. It worked on
Manjaro.
That’s pretty weird!
#+BEGIN_SRC
$(STAGING_DIR_HOST)/.prereq-build: include/prereq-build.mk
mkdir -p tmp
@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f
$(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
echo "Prerequisite check failed. Use FORCE=1 to override."; \
false; \
}
ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk
prepare 2>/dev/null || { \
echo "Preparation failed."; \
false; \
}
endif
touch $@
#+END_SRC
#+BEGIN_SRC
$(eval $(call RequireCHeader,ncurses.h, \
Please install ncurses. (Missing libncurses.so or ncurses.h), \
initscr(), -lncurses))
ifeq ($(HOST_OS),Linux)
$(eval $(call RequireCHeader,argp.h, \
Missing argp.h Please install the argp-standalone package if musl libc))
$(eval $(call RequireCHeader,fts.h, \
Missing fts.h Please install the musl-fts-dev package if musl libc))
$(eval $(call RequireCHeader,obstack.h, \
Missing obstack.h Please install the musl-obstack-dev package if musl
libc))
$(eval $(call RequireCHeader,libintl.h, \
Missing libintl.h Please install the musl-libintl package if musl libc))
endif
#+END_SRC
#+BEGIN_SRC
# 1: display name
# 2: error message
define Require
export PREREQ_CHECK=1
ifeq ($$(CHECK_$(1)),)
prereq: prereq-$(1)
prereq-$(1): $(if $(PREREQ_PREV),prereq-$(PREREQ_PREV)) FORCE
printf "Checking '$(1)'... "
if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1)
PATH="$(ORIG_PATH)" >/dev/null 2>/dev/null; then \
echo 'ok.'; \
elif $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST))
check-$(1) PATH="$(ORIG_PATH)" >/dev/null 2>/dev/null; then \
echo 'updated.'; \
else \
echo 'failed.'; \
echo "$(PKG_NAME): $(strip $(2))" >>
$(TMP_DIR)/.prereq-error; \
fi
check-$(1): FORCE
$(call Require/$(1))
CHECK_$(1):=1
.SILENT: prereq-$(1) check-$(1)
.NOTPARALLEL:
endif
PREREQ_PREV=$(1)
endef
[...]
# 1: header to test
# 2: failure message
# 3: optional compile time test
# 4: optional link library test (example -lncurses)
define RequireCHeader
define Require/$(1)
echo 'int main(int argc, char **argv) { $(3); return 0; }' | gcc -include
$(1) -x c -o $(TMP_DIR)/a.out - $(4)
endef
$$(eval $$(call Require,$(1),$(2)))
endef
[...]
#+END_SRC
#+BEGIN_SRC
kevin@GUIX-WORKSTATION ~/Devel/openwrt [env]$ echo 'int main(int argc, char
**argv) { initscr(); return 0; }' | gcc -include ncurses.h -x c -o tmp/a.out -
-lncurses
kevin@GUIX-WORKSTATION ~/Devel/openwrt [env]$ echo $?
0
kevin@GUIX-WORKSTATION ~/Devel/openwrt [env]$
#+END_SRC
Any ideas?
--
Best regards,
Kevin Vigouroux
