X-Git-Url: http://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=aclocal.m4;h=490bbed7a557880b4445caef528f5532bacd17a3;hb=b1f61d9f3aa244512045a6b02e759825d7049d34;hp=b4edb242bb98ec10c43ed693acab4c921dc48e35;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce;p=ncurses.git diff --git a/aclocal.m4 b/aclocal.m4 index b4edb242..490bbed7 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,5 +1,5 @@ dnl*************************************************************************** -dnl Copyright (c) 1998,1999 Free Software Foundation, Inc. * +dnl Copyright (c) 1998-2000 Free Software Foundation, Inc. * dnl * dnl Permission is hereby granted, free of charge, to any person obtaining a * dnl copy of this software and associated documentation files (the * @@ -28,7 +28,7 @@ dnl*************************************************************************** dnl dnl Author: Thomas E. Dickey 1996,1997,1998 dnl -dnl $Id: aclocal.m4,v 1.179 1999/10/23 21:49:25 tom Exp $ +dnl $Id: aclocal.m4,v 1.214 2000/07/07 15:11:34 tom Exp $ dnl Macros used in NCURSES auto-configuration script. dnl dnl --------------------------------------------------------------------------- @@ -74,7 +74,7 @@ for cf_arg in "-DCC_HAS_PROTOS" \ "" \ -qlanglvl=ansi \ -std1 \ - "-Aa -D_HPUX_SOURCE +e" \ + -Ae \ "-Aa -D_HPUX_SOURCE" \ -Xc do @@ -303,7 +303,7 @@ AC_DEFUN([CF_CHECK_ERRNO], AC_MSG_CHECKING(if external $1 is declared) AC_CACHE_VAL(cf_cv_dcl_$1,[ AC_TRY_COMPILE([ -#if HAVE_STDLIB_H +#ifdef HAVE_STDLIB_H #include #endif #include @@ -311,7 +311,7 @@ AC_CACHE_VAL(cf_cv_dcl_$1,[ #include ], [long x = (long) $1], [eval 'cf_cv_dcl_'$1'=yes'], - [eval 'cf_cv_dcl_'$1'=no]') + [eval 'cf_cv_dcl_'$1'=no']) ]) eval 'cf_result=$cf_cv_dcl_'$1 @@ -463,6 +463,33 @@ int main() { fi ])])dnl dnl --------------------------------------------------------------------------- +dnl See if the poll function really works. Some platforms have poll(), but +dnl it does not work for terminals or files. +AC_DEFUN([CF_FUNC_POLL],[ +AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[ +AC_TRY_RUN([ +#include +#ifdef HAVE_POLL_H +#include +#else +#include +#endif +int main() { + struct pollfd myfds; + int ret; + + myfds.fd = 0; + myfds.events = POLLIN; + + ret = poll(&myfds, 1, 100); + exit(ret != 0); +}], + [cf_cv_working_poll=yes], + [cf_cv_working_poll=no], + [cf_cv_working_poll=unknown])]) +test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL) +])dnl +dnl --------------------------------------------------------------------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary dnl to documentation, unrecognized directives cause older compilers to barf. @@ -619,10 +646,10 @@ changequote(<<, >>)dnl cf_cv_gnat_version=`$cf_ada_make -v 2>&1 | grep '[0-9].[0-9][0-9]*' |\ sed -e 's/[^0-9 \.]//g' | $AWK '{print $<<1>>;}'` case $cf_cv_gnat_version in - 3.[1-9]*|[4-9].*) + 3.1[1-9]*|3.[2-9]*|[4-9].*) cf_cv_prog_gnat_correct=yes ;; - *) echo Unsupported GNAT version $cf_cv_gnat_version. Required is 3.10 or better. Disabling Ada95 binding. + *) echo Unsupported GNAT version $cf_cv_gnat_version. Required is 3.11 or better. Disabling Ada95 binding. cf_cv_prog_gnat_correct=no ;; esac @@ -655,14 +682,13 @@ esac if test $ac_cv_prog_gxx = yes; then AC_MSG_CHECKING([for lib$cf_gpp_libname]) cf_save="$LIBS" - LIBS="$LIBS -l$cf_gpp_libname -lm" + LIBS="$LIBS -l$cf_gpp_libname" AC_TRY_LINK([ #include <$cf_gpp_libname/builtin.h> ], - [//float foo=abs(1.0); - two_arg_error_handler_t foo2 = lib_error_handler], + [two_arg_error_handler_t foo2 = lib_error_handler], [cf_cxx_library=yes - CXXLIBS="$CXXLIBS -l$cf_gpp_libname -lm" + CXXLIBS="$CXXLIBS -l$cf_gpp_libname" if test "$cf_gpp_libname" = cpp ; then AC_DEFINE(HAVE_GPP_BUILTIN_H) else @@ -671,10 +697,9 @@ if test $ac_cv_prog_gxx = yes; then [AC_TRY_LINK([ #include ], - [//float foo=abs(1.0); - two_arg_error_handler_t foo2 = lib_error_handler], + [two_arg_error_handler_t foo2 = lib_error_handler], [cf_cxx_library=yes - CXXLIBS="$CXXLIBS -l$cf_gpp_libname -lm" + CXXLIBS="$CXXLIBS -l$cf_gpp_libname" AC_DEFINE(HAVE_BUILTIN_H)], [cf_cxx_library=no])]) LIBS="$cf_save" @@ -729,10 +754,10 @@ dnl $1 = variable to set AC_DEFUN([CF_LIB_PREFIX], [ case $cf_cv_system_name in - os2) $1='' ;; - *) $1='lib' ;; + os2) LIB_PREFIX='' ;; + *) LIB_PREFIX='lib' ;; esac - LIB_PREFIX=[$]$1 +ifelse($1,,,[$1=$LIB_PREFIX]) AC_SUBST(LIB_PREFIX) ])dnl dnl --------------------------------------------------------------------------- @@ -759,11 +784,19 @@ do for cf_item in $CF_LIST_MODELS do CF_LIB_SUFFIX($cf_item,cf_suffix) + if test $cf_item = shared ; then + if test $cf_cv_do_symlinks = yes ; then + case "$cf_cv_shlib_version" in #(vi + rel) cf_suffix="$cf_suffix"'.$(REL_VERSION)' ;; #(vi + abi) cf_suffix="$cf_suffix"'.$(ABI_VERSION)' ;; + esac + fi + fi cf_libs_to_make="$cf_libs_to_make ../lib/${cf_prefix}${cf_dir}${cf_suffix}" done if test $cf_dir = ncurses ; then - case "$LIB_SUBSETS" in + case "$LIB_SUBSETS" in #(vi termlib+*) #(vi ;; *) #(vi @@ -807,11 +840,13 @@ do do $AWK -f $srcdir/mk-1st.awk \ name=$cf_dir \ + traces=$LIB_TRACING \ MODEL=$CF_ITEM \ model=$cf_subdir \ prefix=$cf_prefix \ suffix=$cf_suffix \ subset=$cf_subset \ + ShlibVer=$cf_cv_shlib_version \ DoLinks=$cf_cv_do_symlinks \ rmSoLocs=$cf_cv_rm_so_locs \ ldconfig="$LDCONFIG" \ @@ -822,6 +857,7 @@ do test $cf_dir = ncurses && WITH_OVERWRITE=no $AWK -f $srcdir/mk-2nd.awk \ name=$cf_dir \ + traces=$LIB_TRACING \ MODEL=$CF_ITEM \ model=$cf_subdir \ subset=$cf_subset \ @@ -840,6 +876,7 @@ do if test -f $cf_dir/Makefile ; then case "$cf_dir" in Ada95) #(vi + echo 'libs \' >> Makefile echo 'install.libs \' >> Makefile echo 'uninstall.libs ::' >> Makefile echo ' cd '$cf_dir' && $(MAKE) $(CF_MFLAGS) [$]@' >> Makefile @@ -859,6 +896,7 @@ if test "$cf_dir" != "c++" ; then echo 'lint \' >> Makefile fi cat >> Makefile <> Makefile </<\$END\/\$NAME>/" >> ../headers.sed - done - fi - rm -f \$TMP - sed -f ../headers.sed \$SRC > \$TMP - eval \$PRG \$TMP \$DST - rm -f \$TMP + TMPSRC=\${TMPDIR-/tmp}/\`basename \$SRC\`\$\$ + TMPSED=\${TMPDIR-/tmp}/headers.sed\$\$ + END=\`basename \$DST\` + for i in \`cat \$REF/../*/headers |fgrep -v "#"\` + do + NAME=\`basename \$i\` + echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED + done + rm -f \$TMPSRC + sed -f \$TMPSED \$SRC > \$TMPSRC + eval \$PRG \$TMPSRC \$DST/\$SRC + rm -f \$TMPSRC \$TMPSED ;; *) eval \$PRG \$SRC \$DST @@ -984,9 +1022,10 @@ done ])dnl dnl --------------------------------------------------------------------------- -dnl Compute the library-suffix from the given model name +dnl Compute the library file-suffix from the given model name dnl $1 = model name dnl $2 = variable to set +dnl The variable $LIB_SUFFIX, if set, prepends the variable to set. AC_DEFUN([CF_LIB_SUFFIX], [ AC_REQUIRE([CF_SUBST_NCURSES_VERSION]) @@ -996,22 +1035,17 @@ AC_DEFUN([CF_LIB_SUFFIX], profile) $2='_p.a' ;; shared) case $cf_cv_system_name in - openbsd*|freebsd*) - $2='.so.$(REL_VERSION)' ;; - netbsd*) - if test -f /usr/libexec/ld.elf_so; then - $2='.so' - else - $2='.so.$(REL_VERSION)' - fi - ;; hpux*) $2='.sl' ;; *) $2='.so' ;; esac esac + test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}" ])dnl dnl --------------------------------------------------------------------------- dnl Compute the string to append to -library from the given model name +dnl $1 = model name +dnl $2 = variable to set +dnl The variable $LIB_SUFFIX, if set, prepends the variable to set. AC_DEFUN([CF_LIB_TYPE], [ case $1 in @@ -1020,6 +1054,7 @@ AC_DEFUN([CF_LIB_TYPE], profile) $2='_p' ;; shared) $2='' ;; esac + test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}" ])dnl dnl --------------------------------------------------------------------------- dnl Some systems have a non-ANSI linker that doesn't pull in modules that have @@ -1267,6 +1302,21 @@ fi AC_MSG_RESULT($cf_manpage_renames) ])dnl dnl --------------------------------------------------------------------------- +dnl Some people expect each tool to make all aliases for manpages in the +dnl man-directory. This accommodates the older, less-capable implementations +dnl of 'man', and is optional. +AC_DEFUN([CF_MANPAGE_SYMLINKS], +[ +AC_MSG_CHECKING(for manpage symlinks) + +AC_ARG_WITH(manpage-symlinks, + [ --with-manpage-symlinks specify manpage-symlinks], + [cf_manpage_symlinks=$withval], + [cf_manpage_symlinks=yes]) + +AC_MSG_RESULT($cf_manpage_symlinks) +])dnl +dnl --------------------------------------------------------------------------- dnl Try to determine if the man-pages on the system are compressed, and if dnl so, what format is used. Use this information to construct a script that dnl will install man-pages. @@ -1275,6 +1325,7 @@ AC_DEFUN([CF_MAN_PAGES], CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:) CF_MANPAGE_FORMAT CF_MANPAGE_RENAMES +CF_MANPAGE_SYMLINKS if test "$prefix" = "NONE" ; then cf_prefix="$ac_default_prefix" @@ -1303,6 +1354,7 @@ datadir="$datadir" MKDIRS="`cd $srcdir && pwd`/mkinstalldirs" INSTALL="$INSTALL" INSTALL_DATA="$INSTALL_DATA" + TMP=\${TMPDIR-/tmp}/man\$\$ trap "rm -f \$TMP" 0 1 2 5 15 @@ -1312,6 +1364,9 @@ shift mandir=\{{$}}1 shift +srcdir=\{{$}}1 +shift + for i in \{{$}}* ; do case \$i in #(vi *.orig|*.rej) ;; #(vi @@ -1322,8 +1377,14 @@ case \$i in #(vi \$MKDIRS $cf_subdir\$section fi fi + aliases= source=\`basename \$i\` CF_EOF +if test "$cf_manpage_symlinks" = yes ; then +cat >>man/edit_man.sh <>man/edit_man.sh <>man/edit_man.sh < + #include + ], + [double x = rand(); printf("result = %g\n", ]ifelse($2,,sin(x),$2)[)], + [cf_cv_need_libm=no], + [cf_cv_need_libm=yes])]) +if test "$cf_cv_need_libm" = yes +then +ifelse($1,,[ + LIBS="$LIBS -lm" +],[$1=-lm]) +fi +]) +dnl --------------------------------------------------------------------------- dnl Compute the object-directory name from the given model name AC_DEFUN([CF_OBJ_SUBDIR], [ @@ -1411,6 +1527,8 @@ AC_DEFUN([CF_PATH_SYNTAX],[ case ".[$]$1" in #(vi ./*) #(vi ;; +.[a-zA-Z]:[\\/]*) #(vi OS/2 EMX + ;; .\[$]{*prefix}*) #(vi eval $1="[$]$1" case ".[$]$1" in #(vi @@ -1545,11 +1663,28 @@ AC_DEFUN([CF_SHARED_OPTS], cf_cv_rm_so_locs=no + # Some less-capable ports of gcc support only -fpic + CC_SHARED_OPTS= + if test -n "$GCC" + then + AC_MSG_CHECKING(which $CC option to use) + cf_save_CFLAGS="$CFLAGS" + for CC_SHARED_OPTS in -fPIC -fpic '' + do + CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS" + AC_TRY_COMPILE([#include ],[int x = 1],[break],[]) + done + AC_MSG_RESULT($CC_SHARED_OPTS) + CFLAGS="$cf_save_CFLAGS" + fi + case $cf_cv_system_name in + beos*) + MK_SHARED_LIB='$(CC) -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0' + ;; hpux10.*) # (tested with gcc 2.7.2 -- I don't have c89) if test -n "$GCC"; then - CC_SHARED_OPTS='-fPIC' LD_SHARED_OPTS='-Xlinker +b -Xlinker $(libdir)' else CC_SHARED_OPTS='+Z' @@ -1564,7 +1699,6 @@ AC_DEFUN([CF_SHARED_OPTS], hpux*) # (tested with gcc 2.7.2 -- I don't have c89) if test -n "$GCC"; then - CC_SHARED_OPTS='-fPIC' LD_SHARED_OPTS='-Xlinker +b -Xlinker $(libdir)' else CC_SHARED_OPTS='+Z' @@ -1577,9 +1711,7 @@ AC_DEFUN([CF_SHARED_OPTS], ;; irix*) # tested with IRIX 5.2 and 'cc'. - if test -n "$GCC"; then - CC_SHARED_OPTS='-fPIC' - else + if test -z "$GCC"; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='$(LD) -shared -rdata_shared -soname `basename $[@]` -o $[@]' @@ -1587,37 +1719,36 @@ AC_DEFUN([CF_SHARED_OPTS], ;; linux*|gnu*) # tested with Linux 2.0.29 and gcc 2.7.2 (ELF) - CC_SHARED_OPTS='-fpic' test $cf_cv_ld_rpath = yes && cf_ld_rpath_opt="-Wl,-rpath," if test $DFT_LWR_MODEL = "shared" ; then LOCAL_LDFLAGS='-Wl,-rpath,../lib' LOCAL_LDFLAGS2='-Wl,-rpath,../../lib' fi test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel - if test $cf_cv_shlib_version = no ; then - MK_SHARED_LIB='$(CC) -shared -Wl,-stats,-lc -o $[@]' - else - MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@].$(ABI_VERSION)`,-stats,-lc -o $[@]' - fi + MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@] .$(REL_VERSION)`.$(ABI_VERSION),-stats,-lc -o $[@]' ;; openbsd2*) - CC_SHARED_OPTS='-fpic -DPIC' + CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" MK_SHARED_LIB='$(LD) -Bshareable -soname,`basename $[@].$(ABI_VERSION)` -o $[@]' ;; openbsd*|freebsd*) - CC_SHARED_OPTS='-fpic -DPIC' + CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" MK_SHARED_LIB='$(LD) -Bshareable -o $[@]' test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel ;; netbsd*) - CC_SHARED_OPTS='-fpic -DPIC' + CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC" test $cf_cv_ld_rpath = yes && cf_ld_rpath_opt="-Wl,-rpath," if test $DFT_LWR_MODEL = "shared" && test $cf_cv_ld_rpath = yes ; then LOCAL_LDFLAGS='-Wl,-rpath,../lib' LOCAL_LDFLAGS2='-Wl,-rpath,../../lib' EXTRA_LDFLAGS="-Wl,-rpath,\$(libdir) $EXTRA_LDFLAGS" - MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@].$(ABI_VERSION)` -o $[@]' - test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel + MK_SHARED_LIB='$(CC) -shared -Wl,-soname,`basename $[@] .$(REL_VERSION)`.$(ABI_VERSION) -o $[@]' + if test $cf_cv_shlib_version = auto; then + if test ! -f /usr/libexec/ld.elf_so; then + cf_cv_shlib_version=rel + fi + fi else MK_SHARED_LIB='$(LD) -Bshareable -o $[@]' fi @@ -1626,7 +1757,6 @@ AC_DEFUN([CF_SHARED_OPTS], # tested with OSF/1 V3.2 and 'cc' # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't # link with shared libs). - CC_SHARED_OPTS='' MK_SHARED_LIB='$(LD) -set_version $(REL_VERSION):$(ABI_VERSION) -expect_unresolved "*" -shared -soname `basename $[@]`' test $cf_cv_ld_rpath = yes && cf_ld_rpath_opt="-rpath" case $host_os in @@ -1643,12 +1773,10 @@ AC_DEFUN([CF_SHARED_OPTS], ;; sco3.2v5*) # (also uw2* and UW7) hops 13-Apr-98 # tested with osr5.0.5 - if test $ac_cv_prog_gcc = yes; then - CC_SHARED_OPTS='-fpic' - else + if test $ac_cv_prog_gcc != yes; then CC_SHARED_OPTS='-belf -KPIC' fi - MK_SHARED_LIB='$(LD) -dy -G -h `basename [$]@.$(ABI_VERSION)` -o [$]@' + MK_SHARED_LIB='$(LD) -dy -G -h `basename $[@] .$(REL_VERSION)`.$(ABI_VERSION) -o [$]@' if test $cf_cv_ld_rpath = yes ; then # only way is to set LD_RUN_PATH but no switch for it RUN_PATH=$libdir @@ -1659,9 +1787,7 @@ AC_DEFUN([CF_SHARED_OPTS], ;; sunos4*) # tested with SunOS 4.1.1 and gcc 2.7.0 - if test $ac_cv_prog_gcc = yes; then - CC_SHARED_OPTS='-fpic' - else + if test $ac_cv_prog_gcc != yes; then CC_SHARED_OPTS='-KPIC' fi MK_SHARED_LIB='$(LD) -assert pure-text -o $[@]' @@ -1669,22 +1795,22 @@ AC_DEFUN([CF_SHARED_OPTS], ;; solaris2*) # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2 - if test $ac_cv_prog_gcc = yes; then - CC_SHARED_OPTS='-fpic' - else + if test $ac_cv_prog_gcc != yes; then CC_SHARED_OPTS='-KPIC' fi - MK_SHARED_LIB='$(LD) -dy -G -h `basename $[@].$(ABI_VERSION)` -o $[@]' + MK_SHARED_LIB='$(LD) -dy -G -h `basename $[@] .$(REL_VERSION)`.$(ABI_VERSION) -o $[@]' if test $cf_cv_ld_rpath = yes ; then cf_ld_rpath_opt="-R" EXTRA_LDFLAGS="-R ../lib:\$(libdir) $EXTRA_LDFLAGS" fi test $cf_cv_shlib_version = auto && cf_cv_shlib_version=rel ;; - unix_sv*) - # tested with UnixWare 1.1.2 - CC_SHARED_OPTS='-KPIC' - MK_SHARED_LIB='$(LD) -d y -G -o $[@]' + sysv5uw7*|unix_sv*) + # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc) + if test $ac_cv_prog_gcc != yes; then + CC_SHARED_OPTS='-KPIC' + fi + MK_SHARED_LIB='$(LD) -d y -G -o [$]@' ;; *) CC_SHARED_OPTS='unknown' @@ -1697,15 +1823,7 @@ AC_DEFUN([CF_SHARED_OPTS], rel|abi) case "$MK_SHARED_LIB" in #(vi *'-o $[@]') - if test "$cf_cv_do_symlinks" = reverse ; then - AC_ERROR(cannot use --with-shlib-version with this platform) - fi - if test "$cf_cv_shlib_version" = rel ; then - MK_SHARED_LIB="$MK_SHARED_LIB"'.$(REL_VERSION)' - else - MK_SHARED_LIB="$MK_SHARED_LIB"'.$(ABI_VERSION)' - fi - cf_cv_do_symlinks=yes + test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes ;; *) AC_MSG_WARN(ignored --with-shlib-version) @@ -1833,7 +1951,7 @@ AC_DEFUN([CF_SRC_MODULES], AC_MSG_CHECKING(for src modules) # dependencies and linker-arguments for test-programs -TEST_DEPS="${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS" +TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS" TEST_ARGS="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARGS" # dependencies and linker-arguments for utility-programs @@ -1868,7 +1986,7 @@ do CF_UPPER(cf_have_include,$cf_dir) AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H) AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include}) - TEST_DEPS="${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS" + TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS" TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS" fi fi @@ -1890,7 +2008,7 @@ SRC_SUBDIRS="$SRC_SUBDIRS misc test" test $cf_with_cxx_binding != no && SRC_SUBDIRS="$SRC_SUBDIRS c++" ADA_SUBDIRS= -if test "$cf_cv_prog_gnat_correct" = yes && test -d $srcdir/Ada95; then +if test "$cf_cv_prog_gnat_correct" = yes && test -f $srcdir/Ada95/Makefile.in; then SRC_SUBDIRS="$SRC_SUBDIRS Ada95" ADA_SUBDIRS="gen src samples" fi @@ -1924,12 +2042,11 @@ os2*) #(vi esac AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[ cf_save="$LIBS" - LIBS="$LIBS -l$cf_stdcpp_libname -lm" + LIBS="$LIBS -l$cf_stdcpp_libname" AC_TRY_LINK([ #include ],[ char buf[80]; strstreambuf foo(buf, sizeof(buf)) -//destroy foo ], [cf_cv_libstdcpp=yes], [cf_cv_libstdcpp=no])