octave-shane/gnulib-hg: m4/libunistring-base.m4 annotate

annotate m4/libunistring-base.m4 @ 13381:25bed74b17cc

Avoid expanding two macros in the wrong order.

author	Bruno Haible <bruno@clisp.org>
date	Tue, 01 Jun 2010 01:26:32 +0200
parents	b5887f4fd7df
children	c8df5a4f551f

rev	line source
13381 25bed74b17cc Avoid expanding two macros in the wrong order. Bruno Haible <bruno@clisp.org> parents: 13357 diff changeset	1 # libunistring-base.m4 serial 3
13354 86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	2 dnl Copyright (C) 2010 Free Software Foundation, Inc.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	3 dnl This file is free software; the Free Software Foundation
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	4 dnl gives unlimited permission to copy and/or distribute it,
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	5 dnl with or without modifications, as long as this notice is preserved.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	6
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 dnl From Paolo Bonzini and Bruno Haible.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	8
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	9 dnl gl_LIBUNISTRING_LIBSOURCE([VERSION], [SourceFile])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	10 dnl Declares that SourceFile should be compiled, unless we are linking
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 dnl with libunistring and its version is >= the given VERSION.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 dnl SourceFile should be relative to the lib directory and end in '.c'.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	13 dnl This macro is to be used for public libunistring API, not for
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	14 dnl undocumented API.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	15 dnl
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	16 dnl You have to bump the VERSION argument to the next projected version
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	17 dnl number each time you make a change that affects the behaviour of the
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	18 dnl functions defined in SourceFile (even if SourceFile itself does not
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	19 dnl change).
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	20
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	21 AC_DEFUN([gl_LIBUNISTRING_LIBSOURCE],
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	22 [
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	23 AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	24 dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	25 dnl gl_LIBUNISTRING_CORE if that macro has been run.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	26 if gl_LIBUNISTRING_VERSION_CMP([$1])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	27 then
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	28 m4_foreach_w([gl_source_file], [$2],
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	29 [AC_LIBOBJ(m4_bpatsubst(m4_defn([gl_source_file]), [\.c$], []))
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	30 ])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	31 fi
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	32 ])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	33
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	34 dnl gl_LIBUNISTRING_LIBHEADER([VERSION], [HeaderFile])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	35 dnl Declares that HeaderFile should be created, unless we are linking
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	36 dnl with libunistring and its version is >= the given VERSION.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	37 dnl HeaderFile should be relative to the lib directory and end in '.h'.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	38 dnl Prepares for substituting LIBUNISTRING_HEADERFILE (to HeaderFile or empty).
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	39 dnl
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	40 dnl When we are linking with the already installed libunistring and its version
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	41 dnl is < VERSION, we create HeaderFile here, because we may compile functions
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	42 dnl (via gl_LIBUNISTRING_LIBSOURCE above) that are not contained in the
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	43 dnl installed version.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	44 dnl When we are linking with the already installed libunistring and its version
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	45 dnl is > VERSION, we don't create HeaderFile here: it could cause compilation
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	46 dnl errors in other libunistring header files if some types are missing.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	47 dnl
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	48 dnl You have to bump the VERSION argument to the next projected version
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	49 dnl number each time you make a non-comment change to the HeaderFile.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	50
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	51 AC_DEFUN([gl_LIBUNISTRING_LIBHEADER],
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	52 [
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	53 AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	54 dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	55 dnl gl_LIBUNISTRING_CORE if that macro has been run.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	56 if gl_LIBUNISTRING_VERSION_CMP([$1])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	57 then
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	58 LIBUNISTRING_[]AS_TR_CPP([$2])='$2'
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	59 else
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	60 LIBUNISTRING_[]AS_TR_CPP([$2])=
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	61 fi
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	62 AC_SUBST([LIBUNISTRING_]AS_TR_CPP([$2]))
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	63 ])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	64
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	65 dnl Miscellaneous preparations/initializations.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	66
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	67 AC_DEFUN([gl_LIBUNISTRING_LIB_PREPARE],
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	68 [
13381 25bed74b17cc Avoid expanding two macros in the wrong order. Bruno Haible <bruno@clisp.org> parents: 13357 diff changeset	69 dnl Ensure that HAVE_LIBUNISTRING is fully determined at this point.
25bed74b17cc Avoid expanding two macros in the wrong order. Bruno Haible <bruno@clisp.org> parents: 13357 diff changeset	70 m4_ifdef([gl_LIBUNISTRING], [AC_REQUIRE([gl_LIBUNISTRING])])
25bed74b17cc Avoid expanding two macros in the wrong order. Bruno Haible <bruno@clisp.org> parents: 13357 diff changeset	71
13354 86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	72 AC_REQUIRE([AC_PROG_AWK])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	73
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	74 dnl Sed expressions to extract the parts of a version number.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	75 changequote(,)
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	76 gl_libunistring_sed_extract_major='/^[0-9]/{s/^$[0-9]$./\1/p;q;}
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	77 i\
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	78 0
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	79 q
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	80 '
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	81 gl_libunistring_sed_extract_minor='/^[0-9][0-9][.][0-9]/{s/^[0-9][.]$[0-9]$./\1/p;q;}
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	82 i\
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	83 0
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	84 q
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	85 '
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	86 gl_libunistring_sed_extract_subminor='/^[0-9][0-9][.][0-9][0-9][.][0-9]/{s/^[0-9][.][0-9][.]$[0-9]$./\1/p;q;}
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	87 i\
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	88 0
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	89 q
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	90 '
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	91 changequote([,])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	92
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	93 if test "$HAVE_LIBUNISTRING" = yes; then
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	94 LIBUNISTRING_VERSION_MAJOR=`echo "$LIBUNISTRING_VERSION" \| sed -n -e "$gl_libunistring_sed_extract_major"`
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	95 LIBUNISTRING_VERSION_MINOR=`echo "$LIBUNISTRING_VERSION" \| sed -n -e "$gl_libunistring_sed_extract_minor"`
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	96 LIBUNISTRING_VERSION_SUBMINOR=`echo "$LIBUNISTRING_VERSION" \| sed -n -e "$gl_libunistring_sed_extract_subminor"`
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	97 fi
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	98 ])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	99
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	100 dnl gl_LIBUNISTRING_VERSION_CMP([VERSION])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	101 dnl Expands to a shell statement that evaluates to true if LIBUNISTRING_VERSION
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	102 dnl is less than the VERSION argument.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	103 AC_DEFUN([gl_LIBUNISTRING_VERSION_CMP],
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	104 [ { test "$HAVE_LIBUNISTRING" != yes \
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	105 \|\| {
13357 b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	106 dnl AS_LITERAL_IF exists and works fine since autoconf-2.59 at least.
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	107 AS_LITERAL_IF([$1],
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	108 [dnl This is the optimized variant, that assumes the argument is a literal:
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	109 m4_pushdef([requested_version_major],
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	110 [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^$[0-9]$.], [\1]), [])])
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	111 m4_pushdef([requested_version_minor],
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	112 [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9][.]$[0-9]$.*], [\1]), [$1])])
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	113 m4_pushdef([requested_version_subminor],
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	114 [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9][.][0-9][.]$[0-9]$.], [\1]), [$1])])
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	115 test $LIBUNISTRING_VERSION_MAJOR -lt requested_version_major \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	116 \|\| { test $LIBUNISTRING_VERSION_MAJOR -eq requested_version_major \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	117 && { test $LIBUNISTRING_VERSION_MINOR -lt requested_version_minor \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	118 \|\| { test $LIBUNISTRING_VERSION_MINOR -eq requested_version_minor \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	119 && test $LIBUNISTRING_VERSION_SUBMINOR -lt requested_version_subminor
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	120 }
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	121 }
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	122 }
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	123 m4_popdef([requested_version_subminor])
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	124 m4_popdef([requested_version_minor])
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	125 m4_popdef([requested_version_major])
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	126 ],
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	127 [dnl This is the unoptimized variant:
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	128 requested_version_major=`echo '$1' \| sed -n -e "$gl_libunistring_sed_extract_major"`
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	129 requested_version_minor=`echo '$1' \| sed -n -e "$gl_libunistring_sed_extract_minor"`
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	130 requested_version_subminor=`echo '$1' \| sed -n -e "$gl_libunistring_sed_extract_subminor"`
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	131 test $LIBUNISTRING_VERSION_MAJOR -lt $requested_version_major \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	132 \|\| { test $LIBUNISTRING_VERSION_MAJOR -eq $requested_version_major \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	133 && { test $LIBUNISTRING_VERSION_MINOR -lt $requested_version_minor \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	134 \|\| { test $LIBUNISTRING_VERSION_MINOR -eq $requested_version_minor \
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	135 && test $LIBUNISTRING_VERSION_SUBMINOR -lt $requested_version_subminor
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	136 }
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	137 }
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	138 }
b5887f4fd7df Clean up dead code in recent commit. Bruno Haible <bruno@clisp.org> parents: 13354 diff changeset	139 ])
13354 86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	140 }
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	141 }
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	142 ])
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	143
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	144 dnl gl_LIBUNISTRING_ARG_OR_ZERO([ARG], [ORIG]) expands to ARG if it is not the
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	145 dnl same as ORIG, otherwise to 0.
86634e33e086 New module 'libunistring-optional'. Bruno Haible <bruno@clisp.org> parents: diff changeset	146 m4_define([gl_LIBUNISTRING_ARG_OR_ZERO], [m4_if([$1], [$2], [0], [$1])])

Mercurial > hg > octave-shane > gnulib-hg

annotate m4/libunistring-base.m4 @ 13381:25bed74b17cc