The as-instr/ld-option need to create temporary files, but create them in the output directory, when compiling external modules. Reformat them a bit and use $(CC) instead of $(AS) as the former is used by kbuild to assemble files.
Unified · Split
| @@ -56,6 +56,9 @@ endef · 55 unmodified lines | |||
| 56 | # gcc support functions | 56 | # gcc support functions |
| 57 | # See documentation in Documentation/kbuild/makefiles.txt | 57 | # See documentation in Documentation/kbuild/makefiles.txt |
| 58 | 58 | ||
| 59 | # output directory for tests below | ||
| 60 | TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/) | ||
| 61 | |||
| 59 | # as-option | 62 | # as-option |
| 60 | # Usage: cflags-y += $(call as-option, -Wa$(comma)-isa=foo,) | 63 | # Usage: cflags-y += $(call as-option, -Wa$(comma)-isa=foo,) |
| 61 | 64 | ||
| @@ -66,9 +69,11 @@ as-option = $(shell if $(CC) $(CFLAGS) $(1) -Wa,-Z -c -o /dev/null \ · 4 unmodified lines | |||
| 66 | # as-instr | 69 | # as-instr |
| 67 | # Usage: cflags-y += $(call as-instr, instr, option1, option2) | 70 | # Usage: cflags-y += $(call as-instr, instr, option1, option2) |
| 68 | 71 | ||
| 69 | as-instr = $(shell if echo -e "$(1)" | $(AS) >/dev/null 2>&1 -W -Z -o astest$$$$.out ; \ | 72 | as-instr = $(shell if echo -e "$(1)" | \ |
| 70 | then echo "$(2)"; else echo "$(3)"; fi; \ | 73 | $(CC) $(AFLAGS) -c -xassembler - \ |
| 71 | rm -f astest$$$$.out) | 74 | -o $(TMPOUT)astest$$$$.out > /dev/null 2>&1; \ |
| 75 | then rm $(TMPOUT)astest$$$$.out; echo "$(2)"; \ | ||
| 76 | else echo "$(3)"; fi) | ||
| 72 | 77 | ||
| 73 | # cc-option | 78 | # cc-option |
| 74 | # Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586) | 79 | # Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586) |
| @@ -97,10 +102,10 @@ cc-ifversion = $(shell if [ $(call cc-version, $(CC)) $(1) $(2) ]; then \ · 22 unmodified lines | |||
| 97 | 102 | ||
| 98 | # ld-option | 103 | # ld-option |
| 99 | # Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both) | 104 | # Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both) |
| 100 | ld-option = $(shell if $(CC) $(1) \ | 105 | ld-option = $(shell if $(CC) $(1) -nostdlib -xc /dev/null \ |
| 101 | -nostdlib -o ldtest$$$$.out -xc /dev/null \ | 106 | -o $(TMPOUT)ldtest$$$$.out > /dev/null 2>&1; \ |
| 102 | > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi; \ | 107 | then rm $(TMPOUT)ldtest$$$$.out; echo "$(1)"; \ |
| 103 | rm -f ldtest$$$$.out) | 108 | else echo "$(2)"; fi) |
| 104 | 109 | ||
| 105 | ### | 110 | ### |
| 106 | # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj= | 111 | # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj= |