kbuild: rename ld-option to cc-ldoption

ld-option is misnamed as it test options to gcc, not to ld.
Renamed it to reflect this.

Cc: Andi Kleen <andi@firstfloor.org>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

Documentation/kbuild/makefiles.txt

@@ -435,14 +435,14 @@ more details, with real examples.
 	The second argument is optional, and if supplied will be used
 	if first argument is not supported.
 
-    ld-option
-	ld-option is used to check if $(CC) when used to link object files
+    cc-ldoption
+	cc-ldoption is used to check if $(CC) when used to link object files
 	supports the given option.  An optional second option may be
 	specified if first option are not supported.
 
 	Example:
 		#arch/i386/kernel/Makefile
-		vsyscall-flags += $(call ld-option, -Wl$(comma)--hash-style=sysv)
+		vsyscall-flags += $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 
 	In the above example, vsyscall-flags will be assigned the option
 	-Wl$(comma)--hash-style=sysv if it is supported by $(CC).

Makefile

@@ -635,7 +635,7 @@ endif
 
 # Use --build-id when available.
 LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
-			      $(call ld-option, -Wl$(comma)--build-id,))
+			      $(call cc-ldoption, -Wl$(comma)--build-id,))
 LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
 LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
 

arch/ia64/kernel/Makefile.gate

@@ -10,7 +10,7 @@ quiet_cmd_gate = GATE $@
       cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@
 
 GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \
-		     $(call ld-option, -Wl$(comma)--hash-style=sysv)
+		     $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 $(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE
 	$(call if_changed,gate)
 

arch/powerpc/kernel/vdso32/Makefile

@@ -16,7 +16,7 @@ GCOV_PROFILE := n
 
 EXTRA_CFLAGS := -shared -fno-common -fno-builtin
 EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
-		$(call ld-option, -Wl$(comma)--hash-style=sysv)
+		$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 EXTRA_AFLAGS := -D__VDSO32__ -s
 
 obj-y += vdso32_wrapper.o

arch/powerpc/kernel/vdso64/Makefile

@@ -11,7 +11,7 @@ GCOV_PROFILE := n
 
 EXTRA_CFLAGS := -shared -fno-common -fno-builtin
 EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
-		$(call ld-option, -Wl$(comma)--hash-style=sysv)
+		$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 EXTRA_AFLAGS := -D__VDSO64__ -s
 
 obj-y += vdso64_wrapper.o

arch/s390/kernel/vdso32/Makefile

@@ -13,7 +13,7 @@ KBUILD_AFLAGS_31 += -m31 -s
 KBUILD_CFLAGS_31 := $(filter-out -m64,$(KBUILD_CFLAGS))
 KBUILD_CFLAGS_31 += -m31 -fPIC -shared -fno-common -fno-builtin
 KBUILD_CFLAGS_31 += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
-			$(call ld-option, -Wl$(comma)--hash-style=sysv)
+			$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 
 $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_31)
 $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_31)

arch/s390/kernel/vdso64/Makefile

@@ -13,7 +13,7 @@ KBUILD_AFLAGS_64 += -m64 -s
 KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS))
 KBUILD_CFLAGS_64 += -m64 -fPIC -shared -fno-common -fno-builtin
 KBUILD_CFLAGS_64 += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
-			$(call ld-option, -Wl$(comma)--hash-style=sysv)
+			$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 
 $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64)
 $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64)

arch/sh/kernel/vsyscall/Makefile

@@ -15,7 +15,7 @@ quiet_cmd_syscall = SYSCALL $@
 export CPPFLAGS_vsyscall.lds += -P -C -Ush
 
 vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \
-		$(call ld-option, -Wl$(comma)--hash-style=sysv)
+		$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 
 SYSCFLAGS_vsyscall-trapa.so	= $(vsyscall-flags)
 

arch/x86/vdso/Makefile

@@ -122,7 +122,7 @@ quiet_cmd_vdso = VDSO    $@
 		       $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \
 		       -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^)
 
-VDSO_LDFLAGS = -fPIC -shared $(call ld-option, -Wl$(comma)--hash-style=sysv)
+VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
 GCOV_PROFILE := n
 
 #

scripts/Kbuild.include

@@ -130,9 +130,9 @@ cc-fullversion = $(shell $(CONFIG_SHELL) \
 # Usage:  EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
 cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3))
 
-# ld-option
-# Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
-ld-option = $(call try-run,\
+# cc-ldoption
+# Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)
+cc-ldoption = $(call try-run,\
 	$(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))
 
 ######