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configure.ac: Use AS_HELP_STRING throughout. 

* configure.ac: Use AS_HELP_STRING throughout.
* configure: Regenerate.

From-SVN: r173724
This commit is contained in:
Andreas Schwab 2011-05-13 08:09:25 +00:00 committed by Andreas Schwab
parent e6e9475b4b
commit b88ecf553e
3 changed files with 132 additions and 114 deletions
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5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2011-05-13 Andreas Schwab <schwab@redhat.com>
* configure.ac: Use AS_HELP_STRING throughout.
* configure: Regenerate.
2011-05-12 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_save_reg): Change maybe_eh_return

76
gcc/configure vendored
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@ -1555,24 +1555,24 @@ Optional Features:
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--enable-generated-files-in-srcdir
put copies of generated files in source dir
intended for creating source tarballs for users
without texinfo bison or flex.
put copies of generated files in source dir intended
for creating source tarballs for users without
texinfo bison or flex
--disable-largefile omit support for large files
--enable-werror-always enable -Werror despite compiler version
--enable-checking=LIST
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: yes,no,all,none,release.
Flags are: assert,df,fold,gc,gcac,gimple,misc,
rtlflag,rtl,runtime,tree,valgrind,types.
--enable-coverage=LEVEL
enable compiler's code coverage collection.
Use to measure compiler performance and locate
unused parts of the compiler. With LEVEL, specify
optimization. Values are opt, noopt,
default is noopt
--enable-gather-detailed-mem-stats enable detailed memory allocation stats gathering
--enable-checking[=LIST]
enable expensive run-time checks. With LIST, enable
only specific categories of checks. Categories are:
yes,no,all,none,release. Flags are:
assert,df,fold,gc,gcac,gimple,misc,
rtlflag,rtl,runtime,tree,valgrind,types
--enable-coverage[=LEVEL]
enable compiler's code coverage collection. Use to
measure compiler performance and locate unused parts
of the compiler. With LEVEL, specify optimization.
Values are opt, noopt, default is noopt
--enable-gather-detailed-mem-stats
enable detailed memory allocation stats gathering
--enable-build-with-cxx build with C++ compiler instead of C compiler
--enable-multilib enable library support for multiple ABIs
--enable-__cxa_atexit enable __cxa_atexit for C++
@ -1581,12 +1581,12 @@ Optional Features:
or 'dpd' choses which decimal floating point format
to use
--enable-fixed-point enable fixed-point arithmetic extension to C
--enable-threads enable thread usage for target GCC
--enable-threads=LIB use LIB thread package for target GCC
--enable-tls enable or disable generation of tls code
overriding the assembler check for tls support
--enable-objc-gc enable the use of Boehm's garbage collector with
the GNU Objective-C runtime
--enable-threads[=LIB] enable thread usage for target GCC, using LIB thread
package
--enable-tls enable or disable generation of tls code overriding
the assembler check for tls support
--enable-objc-gc enable the use of Boehm's garbage collector with the
GNU Objective-C runtime
--disable-shared don't provide a shared libgcc
--enable-languages=LIST specify which front-ends to build
--disable-rpath do not hardcode runtime library paths
@ -1595,12 +1595,13 @@ Optional Features:
arrange to use setjmp/longjmp exception handling
--enable-secureplt enable -msecure-plt by default for PowerPC
--enable-leading-mingw64-underscores
Enable leading underscores on 64 bit mingw targets
enable leading underscores on 64 bit mingw targets
--enable-cld enable -mcld by default for 32bit x86
--enable-frame-pointer enable -fno-omit-frame-pointer by default for 32bit x86
--enable-frame-pointer enable -fno-omit-frame-pointer by default for 32bit
x86
--disable-win32-registry
disable lookup of installation paths in the
Registry on Windows hosts
disable lookup of installation paths in the Registry
on Windows hosts
--enable-win32-registry enable registry lookup (default)
--enable-win32-registry=KEY
use KEY instead of GCC version as the last portion
@ -1620,11 +1621,11 @@ Optional Features:
--enable-linker-build-id
compiler will always pass --build-id to linker
--enable-maintainer-mode
enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer
enable make rules and dependencies not useful (and
sometimes confusing) to the casual installer
--enable-version-specific-runtime-libs
specify that runtime libraries should be
installed in a compiler-specific directory
specify that runtime libraries should be installed
in a compiler-specific directory
--enable-plugin enable plugin support
--disable-libquadmath-support
disable libquadmath support for Fortran
@ -1639,20 +1640,20 @@ Optional Packages:
--with-cpp-install-dir=DIR
install the user visible C preprocessor in DIR
(relative to PREFIX) as well as PREFIX/bin
--with-gnu-ld arrange to work with GNU ld.
--with-gnu-ld arrange to work with GNU ld
--with-ld arrange to use the specified ld (full pathname)
--with-demangler-in-ld try to use demangler in GNU ld.
--with-demangler-in-ld try to use demangler in GNU ld
--with-gnu-as arrange to work with GNU as
--with-as arrange to use the specified as (full pathname)
--with-stabs arrange to use stabs instead of host debug format
--with-dwarf2 force the default debug format to be DWARF 2
--with-build-sysroot=sysroot
use sysroot as the system root during the build
--with-sysroot=DIR Search for usr/lib, usr/include, et al, within DIR.
--with-sysroot[=DIR] search for usr/lib, usr/include, et al, within DIR
--with-specs=SPECS add SPECS to driver command-line processing
--with-pkgversion=PKG Use PKG in the version string in place of "GCC"
--with-bugurl=URL Direct users to URL to report a bug
--with-multilib-list Select multilibs (SH only)
--with-multilib-list select multilibs (SH only)
--with-gnu-ld assume the C compiler uses GNU ld default=no
--with-libiconv-prefix[=DIR] search for libiconv in DIR/include and DIR/lib
--without-libiconv-prefix don't search for libiconv in includedir and libdir
@ -1661,9 +1662,9 @@ Optional Packages:
both]
--with-gnu-ld assume the C compiler uses GNU ld [default=no]
--with-plugin-ld=[ARG] specify the plugin linker
--with-long-double-128 Use 128-bit long double by default.
--with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler
--with-long-double-128 use 128-bit long double by default
--with-gc={page,zone} choose the garbage collection mechanism to use with
the compiler
--with-system-zlib use installed libz
--with-slibdir=DIR shared libraries in DIR [LIBDIR]
--with-linker-hash-style={sysv,gnu,both}
@ -6959,7 +6960,6 @@ _ACEOF
# Check whether --enable-fixed-point was given.
if test "${enable_fixed_point+set}" = set; then :
enableval=$enable_fixed_point;
else
case $target in

165
gcc/configure.ac
View File

@ -105,7 +105,8 @@ fi
# Specify the local prefix
local_prefix=
AC_ARG_WITH(local-prefix,
[ --with-local-prefix=DIR specifies directory to put local include],
[AS_HELP_STRING([--with-local-prefix=DIR],
[specifies directory to put local include])],
[case "${withval}" in
yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
no) ;;
@ -123,8 +124,8 @@ fi
gcc_gxx_include_dir=
# Specify the g++ header file directory
AC_ARG_WITH(gxx-include-dir,
[ --with-gxx-include-dir=DIR
specifies directory to put g++ header files],
[AS_HELP_STRING([--with-gxx-include-dir=DIR],
[specifies directory to put g++ header files])],
[case "${withval}" in
yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
no) ;;
@ -145,9 +146,9 @@ if test x${gcc_gxx_include_dir} = x; then
fi
AC_ARG_WITH(cpp_install_dir,
[ --with-cpp-install-dir=DIR
install the user visible C preprocessor in DIR
(relative to PREFIX) as well as PREFIX/bin],
[AC_HELP_STRING([--with-cpp-install-dir=DIR],
[install the user visible C preprocessor in DIR
(relative to PREFIX) as well as PREFIX/bin])],
[if test x$withval = xyes; then
AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
elif test x$withval != xno; then
@ -163,10 +164,10 @@ fi])
AC_MSG_CHECKING([whether to place generated files in the source directory])
dnl generated-files-in-srcdir is disabled by default
AC_ARG_ENABLE(generated-files-in-srcdir,
[ --enable-generated-files-in-srcdir
put copies of generated files in source dir
intended for creating source tarballs for users
without texinfo bison or flex.],
[AS_HELP_STRING([--enable-generated-files-in-srcdir],
[put copies of generated files in source dir
intended for creating source tarballs for users
without texinfo bison or flex])],
generated_files_in_srcdir=$enableval,
generated_files_in_srcdir=no)
@ -185,13 +186,13 @@ AC_SUBST(GENINSRC)
# With GNU ld
AC_ARG_WITH(gnu-ld,
[ --with-gnu-ld arrange to work with GNU ld.],
[AS_HELP_STRING([--with-gnu-ld], [arrange to work with GNU ld])],
gnu_ld_flag="$with_gnu_ld",
gnu_ld_flag=no)
# With pre-defined ld
AC_ARG_WITH(ld,
[ --with-ld arrange to use the specified ld (full pathname)],
[AS_HELP_STRING([--with-ld], [arrange to use the specified ld (full pathname)])],
DEFAULT_LINKER="$with_ld")
if test x"${DEFAULT_LINKER+set}" = x"set"; then
if test ! -x "$DEFAULT_LINKER"; then
@ -219,7 +220,7 @@ fi
# With demangler in GNU ld
AC_ARG_WITH(demangler-in-ld,
[ --with-demangler-in-ld try to use demangler in GNU ld.],
[AS_HELP_STRING([--with-demangler-in-ld], [try to use demangler in GNU ld])],
demangler_in_ld="$with_demangler_in_ld",
demangler_in_ld=no)
@ -229,12 +230,12 @@ demangler_in_ld=no)
# With GNU as
AC_ARG_WITH(gnu-as,
[ --with-gnu-as arrange to work with GNU as],
[AS_HELP_STRING([--with-gnu-as], [arrange to work with GNU as])],
gas_flag="$with_gnu_as",
gas_flag=no)
AC_ARG_WITH(as,
[ --with-as arrange to use the specified as (full pathname)],
[AS_HELP_STRING([--with-as], [arrange to use the specified as (full pathname)])],
DEFAULT_ASSEMBLER="$with_as")
if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
if test ! -x "$DEFAULT_ASSEMBLER"; then
@ -359,12 +360,12 @@ if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then
fi
AC_ARG_ENABLE(checking,
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: yes,no,all,none,release.
Flags are: assert,df,fold,gc,gcac,gimple,misc,
rtlflag,rtl,runtime,tree,valgrind,types.],
[AS_HELP_STRING([[--enable-checking[=LIST]]],
[enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: yes,no,all,none,release.
Flags are: assert,df,fold,gc,gcac,gimple,misc,
rtlflag,rtl,runtime,tree,valgrind,types])],
[ac_checking_flags="${enableval}"],[
# Determine the default checks.
if test x$is_release = x ; then
@ -547,12 +548,12 @@ AC_SUBST(valgrind_command)
# Enable code coverage collection
AC_ARG_ENABLE(coverage,
[ --enable-coverage[=LEVEL]
enable compiler's code coverage collection.
Use to measure compiler performance and locate
unused parts of the compiler. With LEVEL, specify
optimization. Values are opt, noopt,
default is noopt],
[AS_HELP_STRING([[--enable-coverage[=LEVEL]]],
[enable compiler's code coverage collection.
Use to measure compiler performance and locate
unused parts of the compiler. With LEVEL, specify
optimization. Values are opt, noopt,
default is noopt])],
[case "${enableval}" in
yes|noopt)
coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
@ -572,7 +573,8 @@ esac],
AC_SUBST(coverage_flags)
AC_ARG_ENABLE(gather-detailed-mem-stats,
[ --enable-gather-detailed-mem-stats enable detailed memory allocation stats gathering], [],
[AS_HELP_STRING([--enable-gather-detailed-mem-stats],
[enable detailed memory allocation stats gathering])], [],
[enable_gather_detailed_mem_stats=no])
if test x$enable_gather_detailed_mem_stats = xyes ; then
AC_DEFINE(GATHER_STATISTICS, 1,
@ -585,7 +587,8 @@ fi
# See if we are building gcc with C++.
AC_ARG_ENABLE(build-with-cxx,
[ --enable-build-with-cxx build with C++ compiler instead of C compiler],
[AS_HELP_STRING([--enable-build-with-cxx],
[build with C++ compiler instead of C compiler])],
ENABLE_BUILD_WITH_CXX=$enableval,
ENABLE_BUILD_WITH_CXX=no)
AC_SUBST(ENABLE_BUILD_WITH_CXX)
@ -596,19 +599,21 @@ fi
# With stabs
AC_ARG_WITH(stabs,
[ --with-stabs arrange to use stabs instead of host debug format],
[AS_HELP_STRING([--with-stabs],
[arrange to use stabs instead of host debug format])],
stabs="$with_stabs",
stabs=no)
# Determine whether or not multilibs are enabled.
AC_ARG_ENABLE(multilib,
[ --enable-multilib enable library support for multiple ABIs],
[AS_HELP_STRING([--enable-multilib],
[enable library support for multiple ABIs])],
[], [enable_multilib=yes])
AC_SUBST(enable_multilib)
# Enable __cxa_atexit for C++.
AC_ARG_ENABLE(__cxa_atexit,
[ --enable-__cxa_atexit enable __cxa_atexit for C++],
[AS_HELP_STRING([--enable-__cxa_atexit], [enable __cxa_atexit for C++])],
[], [])
# Enable C extension for decimal float if target supports it.
@ -628,9 +633,9 @@ point format instead of DPD])
# Enable C extension for fixed-point arithmetic.
AC_ARG_ENABLE(fixed-point,
[ --enable-fixed-point enable fixed-point arithmetic extension to C],
[
],
[AS_HELP_STRING([--enable-fixed-point],
[enable fixed-point arithmetic extension to C])],
[],
[
case $target in
mips*-*-*)
@ -660,13 +665,15 @@ AC_DEFINE_UNQUOTED(ENABLE_FIXED_POINT, $fixedpoint,
# Pass with no value to take the default
# Pass with a value to specify a thread package
AC_ARG_ENABLE(threads,
[ --enable-threads enable thread usage for target GCC
--enable-threads=LIB use LIB thread package for target GCC],,
[AS_HELP_STRING([[--enable-threads[=LIB]]],
[enable thread usage for target GCC,
using LIB thread package])],,
[enable_threads=''])
AC_ARG_ENABLE(tls,
[ --enable-tls enable or disable generation of tls code
overriding the assembler check for tls support],
[AS_HELP_STRING([--enable-tls],
[enable or disable generation of tls code
overriding the assembler check for tls support])],
[
case $enable_tls in
yes | no) ;;
@ -676,8 +683,9 @@ Valid choices are 'yes' and 'no'.]) ;;
], [enable_tls=''])
AC_ARG_ENABLE(objc-gc,
[ --enable-objc-gc enable the use of Boehm's garbage collector with
the GNU Objective-C runtime],
[AS_HELP_STRING([--enable-objc-gc],
[enable the use of Boehm's garbage collector with
the GNU Objective-C runtime])],
if test x$enable_objc_gc = xno; then
objc_boehm_gc=''
else
@ -686,12 +694,12 @@ fi,
objc_boehm_gc='')
AC_ARG_WITH(dwarf2,
[ --with-dwarf2 force the default debug format to be DWARF 2],
[AS_HELP_STRING([--with-dwarf2], [force the default debug format to be DWARF 2])],
dwarf2="$with_dwarf2",
dwarf2=no)
AC_ARG_ENABLE(shared,
[ --disable-shared don't provide a shared libgcc],
[AS_HELP_STRING([--disable-shared], [don't provide a shared libgcc])],
[
case $enable_shared in
yes | no) ;;
@ -710,11 +718,12 @@ AC_ARG_ENABLE(shared,
AC_SUBST(enable_shared)
AC_ARG_WITH(build-sysroot,
[ --with-build-sysroot=sysroot
use sysroot as the system root during the build])
[AS_HELP_STRING([--with-build-sysroot=sysroot],
[use sysroot as the system root during the build])])
AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
[AS_HELP_STRING([[--with-sysroot[=DIR]]],
[search for usr/lib, usr/include, et al, within DIR])],
[
case ${with_sysroot} in
yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;;
@ -766,7 +775,7 @@ ACX_BUGURL([http://gcc.gnu.org/bugs.html])
# Sanity check enable_languages in case someone does not run the toplevel
# configure # script.
AC_ARG_ENABLE(languages,
[ --enable-languages=LIST specify which front-ends to build],
[AS_HELP_STRING([--enable-languages=LIST], [specify which front-ends to build])],
[case ,${enable_languages}, in
,,|,yes,)
# go safe -- we cannot be much sure without the toplevel
@ -786,7 +795,7 @@ esac],
[enable_languages=c])
AC_ARG_WITH(multilib-list,
[ --with-multilib-list Select multilibs (SH only)],
[AS_HELP_STRING([--with-multilib-list], [select multilibs (SH only)])],
:,
with_multilib_list=default)
@ -1138,8 +1147,8 @@ AC_SUBST(objext)
# With Setjmp/Longjmp based exception handling.
AC_ARG_ENABLE(sjlj-exceptions,
[ --enable-sjlj-exceptions
arrange to use setjmp/longjmp exception handling],
[AS_HELP_STRING([--enable-sjlj-exceptions],
[arrange to use setjmp/longjmp exception handling])],
[case $target in
*-*-hpux10*)
if test $enableval != yes; then
@ -1526,23 +1535,25 @@ case "$LIBINTL" in *$LIBICONV*)
esac
AC_ARG_ENABLE(secureplt,
[ --enable-secureplt enable -msecure-plt by default for PowerPC],
[AS_HELP_STRING([--enable-secureplt],
[enable -msecure-plt by default for PowerPC])],
[], [])
AC_ARG_ENABLE(leading-mingw64-underscores,
AS_HELP_STRING([--enable-leading-mingw64-underscores],
[Enable leading underscores on 64 bit mingw targets]),
[enable leading underscores on 64 bit mingw targets]),
[],[])
AS_IF([ test x"$enable_leading_mingw64_underscores" = xyes ],
[AC_DEFINE(USE_MINGW64_LEADING_UNDERSCORES, 1,
[Define if we should use leading underscore on 64 bit mingw targets])])
AC_ARG_ENABLE(cld,
[ --enable-cld enable -mcld by default for 32bit x86], [],
[AS_HELP_STRING([--enable-cld], [enable -mcld by default for 32bit x86])], [],
[enable_cld=no])
AC_ARG_ENABLE(frame-pointer,
[ --enable-frame-pointer enable -fno-omit-frame-pointer by default for 32bit x86], [],
[AS_HELP_STRING([--enable-frame-pointer],
[enable -fno-omit-frame-pointer by default for 32bit x86])], [],
[
case $target_os in
linux* | darwin[[8912]]*)
@ -1558,13 +1569,13 @@ esac
# Windows32 Registry support for specifying GCC installation paths.
AC_ARG_ENABLE(win32-registry,
[ --disable-win32-registry
disable lookup of installation paths in the
Registry on Windows hosts
--enable-win32-registry enable registry lookup (default)
--enable-win32-registry=KEY
use KEY instead of GCC version as the last portion
of the registry key],,)
[AS_HELP_STRING([--disable-win32-registry],
[disable lookup of installation paths in the
Registry on Windows hosts])
AS_HELP_STRING([--enable-win32-registry], [enable registry lookup (default)])
AS_HELP_STRING([--enable-win32-registry=KEY],
[use KEY instead of GCC version as the last portion
of the registry key])],,)
case $host_os in
win32 | pe | cygwin* | mingw32* | uwin*)
@ -1947,7 +1958,7 @@ fi])
ORIGINAL_PLUGIN_LD_FOR_TARGET=$gcc_cv_ld
PLUGIN_LD=`basename $gcc_cv_ld`
AC_ARG_WITH(plugin-ld,
[ --with-plugin-ld=[[ARG]] specify the plugin linker],
[AS_HELP_STRING([[--with-plugin-ld=[ARG]]], [specify the plugin linker])],
[if test x"$withval" != x; then
ORIGINAL_PLUGIN_LD_FOR_TARGET="$withval"
PLUGIN_LD="$withval"
@ -4287,8 +4298,8 @@ if test x"$gcc_cv_ld_buildid" = xyes; then
fi
AC_ARG_ENABLE(linker-build-id,
[ --enable-linker-build-id
compiler will always pass --build-id to linker],
[AS_HELP_STRING([--enable-linker-build-id],
[compiler will always pass --build-id to linker])],
[],
enable_linker_build_id=no)
@ -4429,7 +4440,8 @@ case "$target" in
s390*-*-linux* | \
alpha*-*-linux*)
AC_ARG_WITH(long-double-128,
[ --with-long-double-128 Use 128-bit long double by default.],
[AS_HELP_STRING([--with-long-double-128],
[use 128-bit long double by default])],
gcc_cv_target_ldbl128="$with_long_double_128",
[[gcc_cv_target_ldbl128=no
grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
@ -4466,8 +4478,9 @@ AC_MSG_RESULT($gcc_cv_target_dl_iterate_phdr)
# Find out what GC implementation we want, or may, use.
AC_ARG_WITH(gc,
[ --with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler],
[AS_HELP_STRING([--with-gc={page,zone}],
[choose the garbage collection mechanism to use
with the compiler])],
[case "$withval" in
page)
GGC=ggc-$withval
@ -4495,7 +4508,7 @@ AC_SUBST(HOST_LIBS)
zlibdir=-L../zlib
zlibinc="-I\$(srcdir)/../zlib"
AC_ARG_WITH(system-zlib,
[ --with-system-zlib use installed libz],
[AS_HELP_STRING([--with-system-zlib], [use installed libz])],
zlibdir=
zlibinc=
)
@ -4507,9 +4520,9 @@ dnl Very limited version of automake's enable-maintainer-mode
AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
dnl maintainer-mode is disabled by default
AC_ARG_ENABLE(maintainer-mode,
[ --enable-maintainer-mode
enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer],
[AS_HELP_STRING([--enable-maintainer-mode],
[enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer])],
maintainer_mode=$enableval,
maintainer_mode=no)
@ -4714,12 +4727,12 @@ AC_SUBST(dollar)
# Find a directory in which to install a shared libgcc.
AC_ARG_ENABLE(version-specific-runtime-libs,
[ --enable-version-specific-runtime-libs
specify that runtime libraries should be
installed in a compiler-specific directory])
[AS_HELP_STRING([--enable-version-specific-runtime-libs],
[specify that runtime libraries should be
installed in a compiler-specific directory])])
AC_ARG_WITH(slibdir,
[ --with-slibdir=DIR shared libraries in DIR [[LIBDIR]]],
[AS_HELP_STRING([--with-slibdir=DIR], [shared libraries in DIR @<:@LIBDIR@:>@])],
slibdir="$with_slibdir",
if test "${enable_version_specific_runtime_libs+set}" = set; then
slibdir='$(libsubdir)'
@ -4827,7 +4840,7 @@ fi
# Check for plugin support
AC_ARG_ENABLE(plugin,
[ --enable-plugin enable plugin support],
[AS_HELP_STRING([--enable-plugin], [enable plugin support])],
enable_plugin=$enableval,
enable_plugin=yes; default_plugin=yes)