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authorLinus Torvalds <torvalds@linux-foundation.org>2016-03-24 19:26:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-24 19:26:47 -0700
commit2162b80fcadf5b0afff08b540bd141f8a5ff5ed1 (patch)
tree61fa829c78e1850e35946db3f794c9f320c4a906 /scripts
parent976fb3f7b92e91aeccb87de60128a1e65edd676f (diff)
parentea8daa7b97842aab8507b5b5b1e3226cf2d514a6 (diff)
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Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek: - make dtbs_install fix - Error handling fix fixdep and link-vmlinux.sh - __UNIQUE_ID fix for clang - Fix for if_changed_* to suppress the "is up to date." message - The kernel is built with -Werror=incompatible-pointer-types * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Add option to turn incompatible pointer check into error kbuild: suppress annoying "... is up to date." message kbuild: fixdep: Check fstat(2) return value scripts/link-vmlinux.sh: force error on kallsyms failure Kbuild: provide a __UNIQUE_ID for clang dtbsinstall: don't move target directory out of the way
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Kbuild.include6
-rw-r--r--scripts/Makefile.dtbinst2
-rw-r--r--scripts/basic/fixdep.c6
-rwxr-xr-xscripts/link-vmlinux.sh7
4 files changed, 12 insertions, 9 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 1db6d73c8dd2..b2ab2a92a375 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -251,7 +251,7 @@ any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \
$(echo-cmd) $(cmd_$(1)); \
- printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
+ printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)
# Execute the command and also postprocess generated .d dependencies file.
if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \
@@ -259,14 +259,14 @@ if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \
$(echo-cmd) $(cmd_$(1)); \
scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\
rm -f $(depfile); \
- mv -f $(dot-target).tmp $(dot-target).cmd)
+ mv -f $(dot-target).tmp $(dot-target).cmd, @:)
# Usage: $(call if_changed_rule,foo)
# Will check if $(cmd_foo) or any of the prerequisites changed,
# and if so will execute $(rule_foo).
if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \
@set -e; \
- $(rule_$(1)))
+ $(rule_$(1)), @:)
###
# why - tell why a a target got build
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 1c15717e0d56..a1be75d0a5fd 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -23,8 +23,6 @@ include $(src)/Makefile
PHONY += __dtbs_install_prep
__dtbs_install_prep:
ifeq ("$(dtbinst-root)", "$(obj)")
- $(Q)if [ -d $(INSTALL_DTBS_PATH).old ]; then rm -rf $(INSTALL_DTBS_PATH).old; fi
- $(Q)if [ -d $(INSTALL_DTBS_PATH) ]; then mv $(INSTALL_DTBS_PATH) $(INSTALL_DTBS_PATH).old; fi
$(Q)mkdir -p $(INSTALL_DTBS_PATH)
endif
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 5b327c67a828..caef815d1743 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -274,7 +274,11 @@ static void do_config_file(const char *filename)
perror(filename);
exit(2);
}
- fstat(fd, &st);
+ if (fstat(fd, &st) < 0) {
+ fprintf(stderr, "fixdep: error fstat'ing config file: ");
+ perror(filename);
+ exit(2);
+ }
if (st.st_size == 0) {
close(fd);
return;
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 453ede9d2f3d..49d61ade9425 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -97,9 +97,10 @@ kallsyms()
local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \
${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"
- ${NM} -n ${1} | \
- scripts/kallsyms ${kallsymopt} | \
- ${CC} ${aflags} -c -o ${2} -x assembler-with-cpp -
+ local afile="`basename ${2} .o`.S"
+
+ ${NM} -n ${1} | scripts/kallsyms ${kallsymopt} > ${afile}
+ ${CC} ${aflags} -c -o ${2} ${afile}
}
# Create map file with all symbols from ${1}