diff options
| author | Ben Hutchings <ben@decadent.org.uk> | 2015-09-28 01:09:52 +0100 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2015-09-28 01:31:48 -0600 |
| commit | b479bfd00e463034a73a9894d4f6d87988cbc559 (patch) | |
| tree | 6ee8eaaf8fe73ff66da96bd980d76b3e57f45c3e | |
| parent | c51edfb10e6b6e8cfd1bd80ab9f54e51e55ea62a (diff) | |
DocBook: Use a fixed encoding for output
Currently the encoding of documents generated by DocBook depends on
the current locale. Make the output reproducible independently of
the locale, by setting the encoding to UTF-8 (LC_CTYPE=C.UTF-8) by
preference, or ASCII (LC_CTYPE=C) as a fallback.
LC_CTYPE can normally be overridden by LC_ALL, but the top-level
Makefile unsets that.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
[jc: added check-lc_ctype to .gitignore]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | Documentation/DocBook/Makefile | 6 | ||||
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | scripts/.gitignore | 1 | ||||
| -rw-r--r-- | scripts/Makefile | 7 | ||||
| -rw-r--r-- | scripts/check-lc_ctype.c | 11 |
5 files changed, 24 insertions, 3 deletions
diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index 93eff64387cd..d2544961b67a 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -69,6 +69,12 @@ installmandocs: mandocs KERNELDOCXMLREF = $(srctree)/scripts/kernel-doc-xml-ref KERNELDOC = $(srctree)/scripts/kernel-doc DOCPROC = $(objtree)/scripts/docproc +CHECK_LC_CTYPE = $(objtree)/scripts/check-lc_ctype + +# Use a fixed encoding - UTF-8 if the C library has support built-in +# or ASCII if not +LC_CTYPE := $(call try-run, LC_CTYPE=C.UTF-8 $(CHECK_LC_CTYPE),C.UTF-8,C) +export LC_CTYPE XMLTOFLAGS = -m $(srctree)/$(src)/stylesheet.xsl XMLTOFLAGS += --skip-validation @@ -1336,7 +1336,7 @@ $(help-board-dirs): help-%: # Documentation targets # --------------------------------------------------------------------------- %docs: scripts_basic FORCE - $(Q)$(MAKE) $(build)=scripts build_docproc + $(Q)$(MAKE) $(build)=scripts build_docproc build_check-lc_ctype $(Q)$(MAKE) $(build)=Documentation/DocBook $@ else # KBUILD_EXTMOD diff --git a/scripts/.gitignore b/scripts/.gitignore index 12efbbefd4d7..1f78169d4254 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -8,6 +8,7 @@ unifdef ihex2fw recordmcount docproc +check-lc_ctype sortextable asn1_compiler extract-cert diff --git a/scripts/Makefile b/scripts/Makefile index 1b2661712d44..fd0d53d4a234 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -7,6 +7,7 @@ # conmakehash: Create chartable # conmakehash: Create arrays for initializing the kernel console tables # docproc: Used in Documentation/DocBook +# check-lc_ctype: Used in Documentation/DocBook HOST_EXTRACFLAGS += -I$(srctree)/tools/include @@ -27,14 +28,16 @@ HOSTLOADLIBES_extract-cert = -lcrypto always := $(hostprogs-y) $(hostprogs-m) # The following hostprogs-y programs are only build on demand -hostprogs-y += unifdef docproc +hostprogs-y += unifdef docproc check-lc_ctype # These targets are used internally to avoid "is up to date" messages -PHONY += build_unifdef build_docproc +PHONY += build_unifdef build_docproc build_check-lc_ctype build_unifdef: $(obj)/unifdef @: build_docproc: $(obj)/docproc @: +build_check-lc_ctype: $(obj)/check-lc_ctype + @: subdir-$(CONFIG_MODVERSIONS) += genksyms subdir-y += mod diff --git a/scripts/check-lc_ctype.c b/scripts/check-lc_ctype.c new file mode 100644 index 000000000000..9097ff5449fb --- /dev/null +++ b/scripts/check-lc_ctype.c @@ -0,0 +1,11 @@ +/* + * Check that a specified locale works as LC_CTYPE. Used by the + * DocBook build system to probe for C.UTF-8 support. + */ + +#include <locale.h> + +int main(void) +{ + return !setlocale(LC_CTYPE, ""); +} |