make it possible to have include/applets.h-esque entries in .c files
As an example, bunzip2 and bzcat is changed to use it. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
0e5ba0843b
commit
6c5bf0d347
14
Makefile
14
Makefile
@ -358,11 +358,16 @@ scripts_basic:
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# To avoid any implicit rule to kick in, define an empty command.
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scripts/basic/%: scripts_basic ;
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# This target generates Kbuild's and Config.in's from *.c files
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PHONY += gen_build_files
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gen_build_files:
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$(Q)$(srctree)/scripts/gen_build_files.sh $(srctree) $(objtree)
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# bbox: we have helpers in applets/
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# we depend on scripts_basic, since scripts/basic/fixdep
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# must be built before any other host prog
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PHONY += applets_dir
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applets_dir: scripts_basic
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applets_dir: scripts_basic gen_build_files
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$(Q)$(MAKE) $(build)=applets
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applets/%: applets_dir ;
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@ -377,11 +382,6 @@ ifneq ($(KBUILD_SRC),)
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$(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
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endif
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# This target generates Kbuild's and Config.in's from *.c files
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PHONY += gen_build_files
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gen_build_files:
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$(Q)$(srctree)/scripts/gen_build_files.sh $(srctree) $(objtree)
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# To make sure we do not include .config for any of the *config targets
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# catch them early, and hand them over to scripts/kconfig/Makefile
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# It is allowed to specify more targets when calling make, including
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@ -446,7 +446,7 @@ else
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ifeq ($(KBUILD_EXTMOD),)
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# Additional helpers built in scripts/
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# Carefully list dependencies so we do not try to build scripts twice
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# in parrallel
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# in parallel
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PHONY += scripts
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scripts: gen_build_files scripts_basic include/config/MARKER
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$(Q)$(MAKE) $(build)=$(@)
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@ -2,7 +2,7 @@
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# Build system
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# ==========================================================================
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busybox.links: $(srctree)/applets/busybox.mkll $(objtree)/include/autoconf.h $(srctree)/include/applets.h
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busybox.links: $(srctree)/applets/busybox.mkll $(objtree)/include/autoconf.h include/applets.h
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$(Q)-$(SHELL) $^ >$@
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.PHONY: install
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@ -27,9 +27,9 @@ HOSTCFLAGS_usage_pod.o = -I$(srctree_slash)include -Iinclude
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applets/applets.o: include/usage_compressed.h include/applet_tables.h
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applets/applet_tables: .config $(srctree_slash)include/applets.h
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applets/usage: .config $(srctree_slash)include/applets.h
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applets/usage_pod: .config include/applet_tables.h $(srctree_slash)include/applets.h
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applets/applet_tables: .config include/applets.h
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applets/usage: .config include/applets.h
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applets/usage_pod: .config include/applet_tables.h include/applets.h
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quiet_cmd_gen_usage_compressed = GEN include/usage_compressed.h
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cmd_gen_usage_compressed = $(srctree_slash)applets/usage_compressed include/usage_compressed.h applets
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@ -304,6 +304,8 @@ int gunzip_main(int argc UNUSED_PARAM, char **argv)
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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//applet:IF_BUNZIP2(APPLET(bunzip2, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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//applet:IF_BUNZIP2(APPLET_ODDNAME(bzcat, bunzip2, _BB_DIR_USR_BIN, _BB_SUID_DROP, bzcat))
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#if ENABLE_BUNZIP2
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static
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IF_DESKTOP(long long) int FAST_FUNC unpack_bunzip2(unpack_info_t *info UNUSED_PARAM)
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@ -62,6 +62,7 @@ s - suid type:
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#endif
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INSERT
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IF_TEST(APPLET_NOFORK([, test, _BB_DIR_USR_BIN, _BB_SUID_DROP, test))
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IF_TEST(APPLET_NOFORK([[, test, _BB_DIR_USR_BIN, _BB_SUID_DROP, test))
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IF_ACPID(APPLET(acpid, _BB_DIR_SBIN, _BB_SUID_DROP))
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@ -82,8 +83,6 @@ IF_BEEP(APPLET(beep, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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IF_BLKID(APPLET(blkid, _BB_DIR_SBIN, _BB_SUID_DROP))
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IF_BOOTCHARTD(APPLET(bootchartd, _BB_DIR_SBIN, _BB_SUID_DROP))
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IF_BRCTL(APPLET(brctl, _BB_DIR_USR_SBIN, _BB_SUID_DROP))
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IF_BUNZIP2(APPLET(bunzip2, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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IF_BUNZIP2(APPLET_ODDNAME(bzcat, bunzip2, _BB_DIR_USR_BIN, _BB_SUID_DROP, bzcat))
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IF_BZIP2(APPLET(bzip2, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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IF_CAL(APPLET(cal, _BB_DIR_USR_BIN, _BB_SUID_DROP))
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IF_CAT(APPLET_NOFORK(cat, cat, _BB_DIR_BIN, _BB_SUID_DROP, cat))
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@ -203,5 +203,5 @@ applets/applet_tables: include/autoconf.h
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include/usage_compressed.h: $(srctree)/include/usage.h applets/usage
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$(srctree)/applets/usage_compressed include/usage_compressed.h applets
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include/applet_tables.h: $(srctree)/include/applets.h
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include/applet_tables.h: include/applets.h
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applets/applet_tables include/applet_tables.h
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@ -7,6 +7,27 @@ cd -- "$2" || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
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srctree="$1"
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# (Re)generate include/applets.h
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src="$srctree/include/applets.src.h"
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dst="include/applets.h"
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s=`sed -n 's@^//applet:@@p' -- */*.c */*/*.c`
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echo "/* DO NOT EDIT. This file is generated from applets.src.h */" >"$dst.$$.tmp"
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# Why "IFS='' read -r REPLY"??
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# This atrocity is needed to read lines without mangling.
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# IFS='' prevents whitespace trimming,
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# -r suppresses backslash handling.
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while IFS='' read -r REPLY; do
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test x"$REPLY" = x"INSERT" && REPLY="$s"
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printf "%s\n" "$REPLY"
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done <"$src" >>"$dst.$$.tmp"
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if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
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rm -- "$dst.$$.tmp"
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else
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echo " GEN $dst"
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mv -- "$dst.$$.tmp" "$dst"
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fi
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# (Re)generate */Kbuild and */Config.in
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find -type d | while read -r d; do
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d="${d#./}"
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src="$srctree/$d/Kbuild.src"
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@ -15,17 +36,12 @@ find -type d | while read -r d; do
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#echo " CHK $dst"
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s=`sed -n 's@^//kbuild:@@p' -- "$srctree/$d"/*.c`
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echo "# DO NOT EDIT. This file is generated from Kbuild.src" >"$dst.$$.tmp"
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# Why "IFS='' read -r REPLY"??
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# This atrocity is needed to read lines without mangling.
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# IFS='' prevents whitespace trimming,
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# -r suppresses backslash handling.
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echo "# DO NOT EDIT. This file is generated from Kbuild.src" >"$dst.$$.tmp"
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while IFS='' read -r REPLY; do
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test x"$REPLY" = x"INSERT" && REPLY="$s"
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printf "%s\n" "$REPLY"
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done <"$src" >>"$dst.$$.tmp"
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if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
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rm -- "$dst.$$.tmp"
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else
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@ -40,13 +56,12 @@ find -type d | while read -r d; do
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#echo " CHK $dst"
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s=`sed -n 's@^//config:@@p' -- "$srctree/$d"/*.c`
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echo "# DO NOT EDIT. This file is generated from Config.src" >"$dst.$$.tmp"
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echo "# DO NOT EDIT. This file is generated from Config.src" >"$dst.$$.tmp"
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while IFS='' read -r REPLY; do
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test x"$REPLY" = x"INSERT" && REPLY="$s"
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printf "%s\n" "$REPLY"
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done <"$src" >>"$dst.$$.tmp"
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if test -f "$dst" && cmp -s "$dst.$$.tmp" "$dst"; then
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rm -- "$dst.$$.tmp"
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else
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