X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=gnulib-tool;h=c9029ca0b29e9c93276632de1e14304a83499b2b;hb=3f4d4d8853c9f26c9597aa021defa6b0b1861aa4;hp=5a13973748f31f066db734028957ff3804120d19;hpb=d6a8c56e88094707ab3a8913d8f49ae105fd5805;p=gnulib.git diff --git a/gnulib-tool b/gnulib-tool index 5a1397374..c9029ca0b 100755 --- a/gnulib-tool +++ b/gnulib-tool @@ -22,11 +22,12 @@ progname=$0 package=gnulib -cvsdatestamp='$Date: 2007-06-22 18:16:40 $' +cvsdatestamp='$Date: 2007-07-13 01:17:00 $' last_checkin_date=`echo "$cvsdatestamp" | sed -e 's,^\$[D]ate: ,,'` version=`echo "$last_checkin_date" | sed -e 's/ .*$//' -e 's,/,-,g'` nl=' ' +IFS=" "" $nl" # You can set AUTOCONFPATH to empty if autoconf 2.57 is already in your PATH. AUTOCONFPATH= @@ -410,6 +411,152 @@ func_ln_if_changed () fi } +# Ensure an 'echo' command that does not interpret backslashes. +# Test cases: +# echo '\n' | wc -l prints 1 when OK, 2 when KO +# echo '\t' | grep t > /dev/null has return code 0 when OK, 1 when KO +# This problem is a weird heritage from SVR4. BSD got it right (except that +# BSD echo interprets '-n' as an option, which is also not desirable). +# Nowadays the problem occurs in 4 situations: +# - in bash, when the shell option xpg_echo is set (bash >= 2.04) +# or when it was built with --enable-usg-echo-default (bash >= 2.0) +# or when it was built with DEFAULT_ECHO_TO_USG (bash < 2.0), +# - in zsh, when sh-emulation is not set, +# - in ksh (e.g. AIX /bin/sh and Solaris /usr/xpg4/bin/sh are ksh instances, +# and HP-UX /bin/sh and IRIX /bin/sh behave similarly), +# - in Solaris /bin/sh and OSF/1 /bin/sh. +# We try the following workarounds: +# - for all: respawn using $CONFIG_SHELL if that is set and works. +# - for bash >= 2.04: unset the shell option xpg_echo. +# - for bash >= 2.0: define echo to a function that uses the printf built-in. +# - for bash < 2.0: define echo to a function that uses cat of a here document. +# - for zsh: turn sh-emulation on. +# - for ksh: alias echo to 'print -r'. +# - for ksh: alias echo to a function that uses cat of a here document. +# - for Solaris /bin/sh and OSF/1 /bin/sh: respawn using /bin/ksh and rely on +# the ksh workaround. +# - otherwise: respawn using /bin/sh and rely on the workarounds. +# When respawning, we pass --no-reexec as first argument, so as to avoid +# turning this script into a fork bomb in unlucky situations. +have_echo= +if echo '\t' | grep t > /dev/null; then + have_echo=yes # Lucky! +fi +# Try the workarounds. +# Respawn using $CONFIG_SHELL if that is set and works. +if test -z "$have_echo" \ + && test "X$1" != "X--no-reexec" \ + && test -n "$CONFIG_SHELL" \ + && test -f "$CONFIG_SHELL" \ + && $CONFIG_SHELL -c 'echo '\t' | grep t > /dev/null'; then + exec $CONFIG_SHELL "$0" --no-reexec "$@" + exit 127 +fi +# For bash >= 2.04: unset the shell option xpg_echo. +if test -z "$have_echo" \ + && test -n "$BASH_VERSION" \ + && (shopt -o xpg_echo; echo '\t' | grep t > /dev/null) 2>/dev/null; then + shopt -o xpg_echo + have_echo=yes +fi +# For bash >= 2.0: define echo to a function that uses the printf built-in. +# For bash < 2.0: define echo to a function that uses cat of a here document. +# (There is no win in using 'printf' over 'cat' if it is not a shell built-in.) +if test -z "$have_echo" \ + && test -n "$BASH_VERSION"; then \ + if type printf 2>/dev/null | grep / > /dev/null; then + # 'printf' is not a shell built-in. +echo () +{ +cat < /dev/null; then + have_echo=yes + fi +fi +# For zsh: turn sh-emulation on. +if test -z "$have_echo" \ + && test -n "$ZSH_VERSION" \ + && (emulate sh) >/dev/null 2>&1; then + emulate sh +fi +# For ksh: alias echo to 'print -r'. +if test -z "$have_echo" \ + && (type print) >/dev/null 2>&1; then + # A 'print' command exists. + if type print 2>/dev/null | grep / > /dev/null; then + : + else + # 'print' is a shell built-in. + if (print -r '\told' | grep told > /dev/null) 2>/dev/null; then + # 'print' is the ksh shell built-in. + alias echo='print -r' + fi + fi +fi +if test -z "$have_echo" \ + && echo '\t' | grep t > /dev/null; then + have_echo=yes +fi +# For ksh: alias echo to a function that uses cat of a here document. +# The ksh manual page says: +# "Aliasing is performed when scripts are read, not while they are executed. +# Therefore, for an alias to take effect, the alias definition command has +# to be executed before the command which references the alias is read." +# Because of this, we have to play strange tricks with have_echo, to ensure +# that the top-level statement containing the test starts after the 'alias' +# command. +if test -z "$have_echo"; then +bsd_echo () +{ +cat </dev/null +fi +if test -z "$have_echo" \ + && echo '\t' | grep t > /dev/null; then + have_echo=yes +fi +if test -z "$have_echo"; then + unalias echo 2>/dev/null +fi +# For Solaris /bin/sh and OSF/1 /bin/sh: respawn using /bin/ksh. +if test -z "$have_echo" \ + && test "X$1" != "X--no-reexec" \ + && test -f /bin/ksh; then + exec /bin/ksh "$0" --no-reexec "$@" + exit 127 +fi +# Otherwise: respawn using /bin/sh. +if test -z "$have_echo" \ + && test "X$1" != "X--no-reexec" \ + && test -f /bin/sh; then + exec /bin/sh "$0" --no-reexec "$@" + exit 127 +fi +if test -z "$have_echo"; then + func_fatal_error "Shell does not support 'echo' correctly. Please install GNU bash and set the environment variable CONFIG_SHELL to point to it." +fi +if echo '\t' | grep t > /dev/null; then + : # Works fine now. +else + func_fatal_error "Shell does not support 'echo' correctly. Workaround does not work. Please report this as a bug to bug-gnulib@gnu.org." +fi +if test "X$1" = "X--no-reexec"; then + shift +fi + # Command-line option processing. # Removes the OPTIONS from the arguments. Sets the variables: # - mode list or import or create-testdir or create-megatestdir @@ -739,16 +886,62 @@ func_ln_if_changed () case "$0" in /*) self_abspathname="$0" ;; */*) self_abspathname=`pwd`/"$0" ;; - *) for d in `echo ":$PATH:" | sed -e 's/:::*/:.:/g' | sed -e 's/:/ /g'`; do - if test -x "$d/$0" && test ! -d "$d/$0"; then - self_abspathname="$d/$0" - break - fi - done - if test -z "$self_abspathname"; then - func_fatal_error "could not locate the gnulib-tool program - how did you invoke it?" - fi - ;; + *) + # Look in $PATH. + # Iterate through the elements of $PATH. + # We use IFS=: instead of + # for d in `echo ":$PATH:" | sed -e 's/:::*/:.:/g' | sed -e 's/:/ /g'` + # because the latter does not work when some PATH element contains spaces. + # We use a canonicalized $pathx instead of $PATH, because empty PATH + # elements are by definition equivalent to '.', however field splitting + # according to IFS=: loses empty fields in many shells: + # - /bin/sh on OSF/1 and Solaris loses all empty fields (at the + # beginning, at the end, and in the middle), + # - /bin/sh on IRIX and /bin/ksh on IRIX and OSF/1 lose empty fields + # at the beginning and at the end, + # - GNU bash, /bin/sh on AIX and HP-UX, and /bin/ksh on AIX, HP-UX, + # Solaris lose empty fields at the end. + # The 'case' statement is an optimization, to avoid evaluating the + # explicit canonicalization command when $PATH contains no empty fields. + self_abspathname= + if test "${PATH_SEPARATOR+set}" != set; then + func_tmpdir + { echo "#! /bin/sh"; echo "exit 0"; } > "$tmp"/conf.sh + chmod +x "$tmp"/conf.sh + if (PATH="/nonexistent;$tmp"; conf.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -rf "$tmp" + fi + if test "$PATH_SEPARATOR" = ";"; then + # On Windows, programs are searched in "." before $PATH. + pathx=".;$PATH" + else + # On Unix, we have to convert empty PATH elements to ".". + pathx="$PATH" + case :$PATH: in + *::*) + pathx=`echo ":$PATH:" | sed -e 's/:::*/:.:/g' -e 's/^://' -e 's/:\$//'` + ;; + esac + fi + save_IFS="$IFS" + IFS="$PATH_SEPARATOR" + for d in $pathx; do + IFS="$save_IFS" + test -z "$d" && d=. + if test -x "$d/$0" && test ! -d "$d/$0"; then + self_abspathname="$d/$0" + break + fi + done + IFS="$save_IFS" + if test -z "$self_abspathname"; then + func_fatal_error "could not locate the gnulib-tool program - how did you invoke it?" + fi + ;; esac while test -h "$self_abspathname"; do # Resolve symbolic link. @@ -1256,12 +1449,12 @@ func_emit_lib_Makefile_am () { func_get_automake_snippet "$module" | sed -e 's,lib_LIBRARIES,lib%_LIBRARIES,g' \ - -e 's,lib_LTLIBRARIES,lib%_LTLIBRARIES,g' | - sed -e "$sed_eliminate_LDFLAGS" | - sed -e 's,lib_\([A-Z][A-Z]*\),'"${libname}_${libext}"'_\1,g' | - sed -e 's,lib%_LIBRARIES,lib_LIBRARIES,g' \ - -e 's,lib%_LTLIBRARIES,lib_LTLIBRARIES,g' | - sed -e "$sed_transform_check_PROGRAMS" + -e 's,lib_LTLIBRARIES,lib%_LTLIBRARIES,g' \ + -e "$sed_eliminate_LDFLAGS" \ + -e 's,lib_\([A-Z][A-Z]*\),'"${libname}_${libext}"'_\1,g' \ + -e 's,lib%_LIBRARIES,lib_LIBRARIES,g' \ + -e 's,lib%_LTLIBRARIES,lib_LTLIBRARIES,g' \ + -e "$sed_transform_check_PROGRAMS" if test "$module" = 'alloca'; then echo "${libname}_${libext}_LIBADD += @${perhapsLT}ALLOCA@" echo "${libname}_${libext}_DEPENDENCIES += @${perhapsLT}ALLOCA@" @@ -1345,7 +1538,8 @@ func_emit_lib_Makefile_am () echo " if test -n \"\$\$dir\" && test -d \$\$dir; then \\" echo " echo \"rmdir \$\$dir\"; rmdir \$\$dir; \\" echo " fi; \\" - echo " done" + echo " done; \\" + echo " :" rm -f allsnippets.tmp } @@ -1401,12 +1595,12 @@ func_emit_tests_Makefile_am () { func_get_automake_snippet "$module" | sed -e 's,lib_LIBRARIES,lib%_LIBRARIES,g' \ - -e 's,lib_LTLIBRARIES,lib%_LTLIBRARIES,g' | - sed -e "$sed_eliminate_LDFLAGS" | - sed -e 's,lib_\([A-Z][A-Z]*\),'"${libname}_${libext}"'_\1,g' | - sed -e 's,lib%_LIBRARIES,lib_LIBRARIES,g' \ - -e 's,lib%_LTLIBRARIES,lib_LTLIBRARIES,g' | - sed -e "$sed_transform_check_PROGRAMS" + -e 's,lib_LTLIBRARIES,lib%_LTLIBRARIES,g' \ + -e "$sed_eliminate_LDFLAGS" \ + -e 's,lib_\([A-Z][A-Z]*\),'"${libname}_${libext}"'_\1,g' \ + -e 's,lib%_LIBRARIES,lib_LIBRARIES,g' \ + -e 's,lib%_LTLIBRARIES,lib_LTLIBRARIES,g' \ + -e "$sed_transform_check_PROGRAMS" } > amsnippet.tmp # Skip the contents if its entirely empty. if grep '[^ ]' amsnippet.tmp > /dev/null ; then @@ -1460,7 +1654,8 @@ func_emit_tests_Makefile_am () echo " if test -n \"\$\$dir\" && test -d \$\$dir; then \\" echo " echo \"rmdir \$\$dir\"; rmdir \$\$dir; \\" echo " fi; \\" - echo " done" + echo " done; \\" + echo " :" rm -f allsnippets.tmp } @@ -1669,8 +1864,10 @@ func_import () specified_modules="$cached_specified_modules $1" # Append the cached and the specified avoidlist. This is probably better # than dropping the cached one when --avoid is specified at least once. - avoidlist=`echo $cached_avoidlist $avoidlist` - # The sourcebase defaults to the cached one. + avoidlist=`for m in $cached_avoidlist $avoidlist; do echo $m; done | LC_ALL=C sort -u` + avoidlist=`echo $avoidlist` + + # The sourcebase defaults to the cached one. if test -z "$sourcebase"; then sourcebase="$cached_sourcebase" if test -z "$sourcebase"; then @@ -1743,7 +1940,7 @@ func_import () for module in $modules; do license=`func_get_license $module` case $license in - LGPL | 'GPLed build tool') ;; + LGPL | LGPLv2+ | 'GPLed build tool') ;; 'public domain' | 'unlimited' | 'unmodifiable license text') ;; *) func_fatal_error "incompatible license on module $module: $license" ;; esac @@ -2195,7 +2392,7 @@ func_import () # _LIBDEPS and _LTLIBDEPS variables are not needed if this library is # created using libtool, because libtool already handles the dependencies. if test "$libtool" != true; then - libname_upper=`echo "$libname" | LC_ALL=C tr 'a-z' 'A-Z'` + libname_upper=`echo "$libname" | LC_ALL=C tr 'a-z-' 'A-Z_'` echo " ${libname_upper}_LIBDEPS=\"\$gl_libdeps\"" echo " AC_SUBST([${libname_upper}_LIBDEPS])" echo " ${libname_upper}_LTLIBDEPS=\"\$gl_ltlibdeps\"" @@ -2458,10 +2655,31 @@ func_create_testdir () func_modules_transitive_closure for module in $modules; do license=`func_get_license "$module"` - case $license in - LGPL | 'GPLed build tool') ;; + case "$license" in + 'GPLed build tool') ;; 'public domain' | 'unlimited' | 'unmodifiable license text') ;; - *) echo "warning: module $requested_module depends on a module with an incompatible license: $module" 1>&2 ;; + *) + case "$requested_license" in + GPLv2+) + case "$license" in + GPLv2+ | LGPLv2+) ;; + *) echo "warning: module $requested_module depends on a module with an incompatible license: $module" 1>&2 ;; + esac + ;; + LGPL) + case "$license" in + LGPL | LGPLv2+) ;; + *) echo "warning: module $requested_module depends on a module with an incompatible license: $module" 1>&2 ;; + esac + ;; + LGPLv2+) + case "$license" in + LGPLv2+) ;; + *) echo "warning: module $requested_module depends on a module with an incompatible license: $module" 1>&2 ;; + esac + ;; + esac + ;; esac done fi @@ -2619,8 +2837,8 @@ func_create_testdir () sed_replace_build_aux=' :a /AC_CONFIG_FILES(.*:build-aux\/.*)/{ - s|AC_CONFIG_FILES(\(.*\):build-aux/\(.*\))|AC_CONFIG_FILES(\1:../'"$auxdir"'/\2)| - ba + s|AC_CONFIG_FILES(\(.*\):build-aux/\(.*\))|AC_CONFIG_FILES(\1:../'"$auxdir"'/\2)| + ba }' # We don't have explicit ordering constraints between the various # autoconf snippets. It's cleanest to put those of the library before @@ -2644,7 +2862,7 @@ func_create_testdir () # _LIBDEPS and _LTLIBDEPS variables are not needed if this library is # created using libtool, because libtool already handles the dependencies. if test "$libtool" != true; then - libname_upper=`echo "$libname" | LC_ALL=C tr 'a-z' 'A-Z'` + libname_upper=`echo "$libname" | LC_ALL=C tr 'a-z-' 'A-Z_'` echo " ${libname_upper}_LIBDEPS=\"\$gl_libdeps\"" echo " AC_SUBST([${libname_upper}_LIBDEPS])" echo " ${libname_upper}_LTLIBDEPS=\"\$gl_ltlibdeps\"" @@ -2755,7 +2973,7 @@ func_create_testdir () # _LIBDEPS and _LTLIBDEPS variables are not needed if this library is # created using libtool, because libtool already handles the dependencies. if test "$libtool" != true; then - libname_upper=`echo "$libname" | LC_ALL=C tr 'a-z' 'A-Z'` + libname_upper=`echo "$libname" | LC_ALL=C tr 'a-z-' 'A-Z_'` echo " ${libname_upper}_LIBDEPS=\"\$gl_libdeps\"" echo " AC_SUBST([${libname_upper}_LIBDEPS])" echo " ${libname_upper}_LTLIBDEPS=\"\$gl_ltlibdeps\"" @@ -2815,7 +3033,7 @@ func_create_testdir () echo "executing ${AUTOPOINT} --force" ${AUTOPOINT} --force || func_exit 1 for f in ../$m4base/*.m4~; do - mv -f $f `echo $f | sed -e 's,~$,,'` || func_exit 1 + mv -f $f `echo $f | sed -e 's,~$,,'` || func_exit 1 done fi echo "executing ${ACLOCAL} -I ../$m4base" @@ -2901,8 +3119,8 @@ func_create_megatestdir () -e 's,October,10,' -e 's,Oct,10,' \ -e 's,November,11,' -e 's,Nov,11,' \ -e 's,December,12,' -e 's,Dec,12,' \ - | sed -e 's,^,00,' | sed -e 's,^[0-9]*\([0-9][0-9] \),\1,' \ - | sed -e 's,^\([0-9]*\) \([0-9]*\) \([0-9]*\),\3\2\1,'` + -e 's,^,00,' -e 's,^[0-9]*\([0-9][0-9] \),\1,' \ + -e 's,^\([0-9]*\) \([0-9]*\) \([0-9]*\),\3\2\1,'` (echo '#!/bin/sh' echo "CVSDATE=$cvsdate" echo "test -d logs || mkdir logs"