diff options
Diffstat (limited to 'bfd/configure')
| -rwxr-xr-x | bfd/configure | 600 |
1 files changed, 515 insertions, 85 deletions
diff --git a/bfd/configure b/bfd/configure index ac19834..64696be 100755 --- a/bfd/configure +++ b/bfd/configure @@ -425,6 +425,8 @@ if test -n "$enableval"; then esac fi + + ac_aux_dir= for ac_dir in `cd $srcdir/..;pwd` $srcdir/`cd $srcdir/..;pwd`; do if test -f $ac_dir/install-sh; then @@ -556,8 +558,6 @@ target64=false # host stuff: -HDEFINES= - # Permit host specific settings. . ${srcdir}/configure.host @@ -672,7 +672,12 @@ test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' -# Put a plausible default for CC_FOR_BUILD in Makefile. +HOST_64BIT_LONG=0 +if test "x${HOST_64BIT_TYPE}" = "xlong"; then + HOST_64BIT_LONG=1 +fi + + # If we cannot run a trivial program, we must be cross compiling. echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then @@ -682,7 +687,7 @@ else ac_cv_c_cross=yes else cat > conftest.$ac_ext <<EOF -#line 686 "configure" +#line 691 "configure" #include "confdefs.h" main(){return(0);} EOF @@ -698,6 +703,7 @@ fi cross_compiling=$ac_cv_c_cross echo "$ac_t""$ac_cv_c_cross" 1>&6 +# Put a plausible default for CC_FOR_BUILD in Makefile. if test "x$cross_compiling" = "xno"; then CC_FOR_BUILD='$(CC)' else @@ -705,15 +711,269 @@ else fi -# Set up to make a link between the host's include file and "sysdep.h". -files=hosts/${my_host}.h +echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6 +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then +if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + # This must be in double quotes, not single quotes, because CPP may get + # substituted into the Makefile and "${CC-cc}" will confuse make. + CPP="${CC-cc} -E" + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. + cat > conftest.$ac_ext <<EOF +#line 730 "configure" +#include "confdefs.h" +#include <assert.h> +Syntax Error +EOF +eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" +ac_err=`grep -v '^ *+' conftest.out` +if test -z "$ac_err"; then + : +else + echo "$ac_err" >&5 + rm -rf conftest* + CPP="${CC-cc} -E -traditional-cpp" + cat > conftest.$ac_ext <<EOF +#line 744 "configure" +#include "confdefs.h" +#include <assert.h> +Syntax Error +EOF +eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" +ac_err=`grep -v '^ *+' conftest.out` +if test -z "$ac_err"; then + : +else + echo "$ac_err" >&5 + rm -rf conftest* + CPP=/lib/cpp +fi +rm -f conftest* +fi +rm -f conftest* + ac_cv_prog_CPP="$CPP" +fi + CPP="$ac_cv_prog_CPP" +else + ac_cv_prog_CPP="$CPP" +fi +echo "$ac_t""$CPP" 1>&6 + +for ac_hdr in stddef.h string.h strings.h stdlib.h time.h unistd.h +do +ac_safe=`echo "$ac_hdr" | tr './\055' '___'` +echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 +if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 777 "configure" +#include "confdefs.h" +#include <$ac_hdr> +EOF +eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" +ac_err=`grep -v '^ *+' conftest.out` +if test -z "$ac_err"; then + rm -rf conftest* + eval "ac_cv_header_$ac_safe=yes" +else + echo "$ac_err" >&5 + rm -rf conftest* + eval "ac_cv_header_$ac_safe=no" +fi +rm -f conftest* +fi +if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then + echo "$ac_t""yes" 1>&6 + ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'` + cat >> confdefs.h <<EOF +#define $ac_tr_hdr 1 +EOF + +else + echo "$ac_t""no" 1>&6 +fi +done + +for ac_hdr in fcntl.h sys/file.h sys/procfs.h +do +ac_safe=`echo "$ac_hdr" | tr './\055' '___'` +echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 +if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 813 "configure" +#include "confdefs.h" +#include <$ac_hdr> +EOF +eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" +ac_err=`grep -v '^ *+' conftest.out` +if test -z "$ac_err"; then + rm -rf conftest* + eval "ac_cv_header_$ac_safe=yes" +else + echo "$ac_err" >&5 + rm -rf conftest* + eval "ac_cv_header_$ac_safe=no" +fi +rm -f conftest* +fi +if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then + echo "$ac_t""yes" 1>&6 + ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'` + cat >> confdefs.h <<EOF +#define $ac_tr_hdr 1 +EOF + +else + echo "$ac_t""no" 1>&6 +fi +done + +for ac_func in fcntl +do +echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 +if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 848 "configure" +#include "confdefs.h" +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $ac_func(); below. */ +#include <assert.h> +/* Override any gcc2 internal prototype to avoid an error. */ +char $ac_func(); + +int main() { return 0; } +int t() { + +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined (__stub_$ac_func) || defined (__stub___$ac_func) +choke me +#else +$ac_func(); +#endif + +; return 0; } +EOF +if eval $ac_link; then + rm -rf conftest* + eval "ac_cv_func_$ac_func=yes" +else + rm -rf conftest* + eval "ac_cv_func_$ac_func=no" +fi +rm -f conftest* + +fi +if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then + echo "$ac_t""yes" 1>&6 + ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'` + cat >> confdefs.h <<EOF +#define $ac_tr_func 1 +EOF + +else + echo "$ac_t""no" 1>&6 +fi +done + + +case "${host}" in +i[345]86-*-msdos* | i[345]86-*-go32* | i[345]86-*-win32) + cat >> confdefs.h <<\EOF +#define USE_BINARY_FOPEN 1 +EOF + ;; +esac + +echo $ac_n "checking whether malloc must be declared""... $ac_c" 1>&6 +if eval "test \"`echo '$''{'bfd_cv_decl_needed_malloc'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 906 "configure" +#include "confdefs.h" + +#include <stdio.h> +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +int main() { return 0; } +int t() { +char *(*pfn) = (char *(*)) malloc +; return 0; } +EOF +if eval $ac_compile; then + rm -rf conftest* + bfd_cv_decl_needed_malloc=no +else + rm -rf conftest* + bfd_cv_decl_needed_malloc=yes +fi +rm -f conftest* + +fi + +echo "$ac_t""$bfd_cv_decl_needed_malloc" 1>&6 +if test $bfd_cv_decl_needed_malloc = yes; then + cat >> confdefs.h <<\EOF +#define NEED_DECLARATION_MALLOC 1 +EOF -if test ! -f ${srcdir}/${files} ; then - files=../bfd/hosts/std-host.h - echo "configure: warning: BFD has no specific support for host ${host} -- using std-host" 1>&2 fi +echo $ac_n "checking whether free must be declared""... $ac_c" 1>&6 +if eval "test \"`echo '$''{'bfd_cv_decl_needed_free'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 945 "configure" +#include "confdefs.h" +#include <stdio.h> +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +int main() { return 0; } +int t() { +int (*pfn) = (int (*)) free +; return 0; } +EOF +if eval $ac_compile; then + rm -rf conftest* + bfd_cv_decl_needed_free=no +else + rm -rf conftest* + bfd_cv_decl_needed_free=yes +fi +rm -f conftest* + +fi + +echo "$ac_t""$bfd_cv_decl_needed_free" 1>&6 +if test $bfd_cv_decl_needed_free = yes; then + cat >> confdefs.h <<\EOF +#define NEED_DECLARATION_FREE 1 +EOF + +fi # If we are configured native, pick a core file support file. COREFILE= @@ -726,37 +986,142 @@ if test "${target}" = "${host}"; then hppa*-*-hiux*) COREFILE=hpux-core.o ;; hppa*-*-bsd*) COREFILE="hpux-core.o hppabsd-core.o" COREFLAG="-DHPUX_CORE -DHPPABSD_CORE" ;; - i[345]86-sequent-bsd*) COREFILE=trad-core.o ;; + i[345]86-sequent-bsd*) + COREFILE=trad-core.o; + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/symmetry.h" +EOF + + ;; i[345]86-sequent-sysv4*) ;; - i[345]86-sequent-sysv*) COREFILE=trad-core.o ;; - i[345]86-*-bsd*) COREFILE=trad-core.o ;; - i[345]86-*-freebsd*) COREFILE=trad-core.o ;; - i[345]86-*-netbsd*) COREFILE=trad-core.o ;; - i[345]86-esix-sysv3*) COREFILE=trad-core.o ;; - i[345]86-*-sco*) COREFILE=trad-core.o ;; - i[345]86-*-mach3*) COREFILE=trad-core.o ;; - i[345]86-*-linux*) COREFILE=trad-core.o ;; + i[345]86-sequent-sysv*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/symmetry.h" +EOF + + ;; + i[345]86-*-bsd* | i[345]86-*-freebsd* | i[345]86-*-netbsd*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/i386bsd.h" +EOF + + ;; + i[345]86-esix-sysv3*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/esix.h" +EOF + + ;; + i[345]86-*-sco* | i[345]86-*-isc*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/i386sco.h" +EOF + + ;; + i[345]86-*-mach3*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/i386mach3.h" +EOF + + ;; + i[345]86-*-linux*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/i386linux.h" +EOF + + ;; i[345]86-*-isc*) COREFILE=trad-core.o ;; i[345]86-*-aix*) COREFILE=aix386-core.o ;; - mips-dec-bsd*) COREFILE=trad-core.o ;; - mips-dec-mach3*) COREFILE=trad-core.o ;; - mips-dec-*) COREFILE=trad-core.o ;; + mips-dec-bsd*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/mipsbsd.h" +EOF + + ;; + mips-dec-mach3*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/mipsmach3.h" +EOF + + ;; + mips-dec-*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/decstation.h" +EOF + + ;; mips-sgi-irix4*) COREFILE=irix-core.o ;; mips-sgi-irix5*) COREFILE=irix-core.o ;; - mips-*-mach3*) COREFILE=trad-core.o ;; + mips-*-mach3*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/mipsmach3.h" +EOF + + ;; mips-*-sysv4*) ;; - mips-*-sysv*) COREFILE=trad-core.o ;; - mips-*-riscos*) COREFILE=trad-core.o ;; - mips-sony-bsd*) COREFILE=trad-core.o ;; - m68*-bull*-sysv*) COREFILE=trad-core.o ;; + mips-*-sysv* | mips-*-riscos*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/riscos.h" +EOF + + ;; + mips-sony-bsd*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/news-mips".h +EOF + + ;; + m68*-bull*-sysv*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/dpx2.h" +EOF + + ;; m68*-hp-hpux*) COREFILE=hpux-core.o ;; - m68*-hp-bsd*) COREFILE=trad-core.o ;; + m68*-hp-bsd*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/hp300bsd.h" +EOF + + ;; m68*-motorola-sysv*) COREFILE=ptrace-core.o ;; - m68*-sony-*) COREFILE=trad-core.o ;; + m68*-sony-*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/news.h" +EOF + + ;; m88*-*-sysv4*) ;; m88*-motorola-sysv*) COREFILE=trad-core.o ;; - m88*-*-mach3*) COREFILE=trad-core.o ;; - ns32k-pc532-mach) COREFILE=trad-core.o ;; + m88*-*-mach3*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/m88kmach3.h" +EOF + + ;; + ns32k-pc532-mach) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/pc532mach.h" +EOF + + ;; rs6000-*-lynx*) COREFILE=lynx-core.o ;; rs6000-*-aix4*) COREFILE=rs6000-core.o COREFLAG=-DALTERNATE_AIX_CORE_FORMAT ;; @@ -764,10 +1129,34 @@ if test "${target}" = "${host}"; then powerpc-*-aix4*) COREFILE=rs6000-core.o COREFLAG=-DALTERNATE_AIX_CORE_FORMAT ;; powerpc-*-aix*) COREFILE=rs6000-core.o ;; - tahoe-*-*) COREFILE=trad-core.o ;; - vax-*-ultrix2*) COREFILE=trad-core.o ;; - vax-*-ultrix*) COREFILE=trad-core.o ;; - vax-*-*) COREFILE=trad-core.o ;; + tahoe-*-*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/tahoe.h" +EOF + + ;; + vax-*-ultrix2*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/vaxult2.h" +EOF + + ;; + vax-*-ultrix*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/vaxult2.h" +EOF + + ;; + vax-*-*) + COREFILE=trad-core.o + cat >> confdefs.h <<\EOF +#define TRAD_HEADER "hosts/vaxbsd.h" +EOF + + ;; esac case "$COREFILE" in @@ -779,7 +1168,7 @@ if test "${target}" = "${host}"; then osf-core.o) COREFLAG=-DOSF_CORE ;; ptrace-core.o) COREFLAG=-DPTRACE_CORE ;; rs6000-core.o) COREFLAG="$COREFLAG -DAIX_CORE" ;; - trad-core.o) COREFLAG=-DTRAD_CORE ;; + trad-core.o) COREFLAG="$COREFLAG -DTRAD_CORE" ;; esac fi @@ -1073,19 +1462,7 @@ fi trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15 -# Transform confdefs.h into DEFS. -# Protect against shell expansion while executing Makefile rules. -# Protect against Makefile macro expansion. -cat > conftest.defs <<\EOF -s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%-D\1=\2%g -s%[ `~#$^&*(){}\\|;'"<>?]%\\&%g -s%\[%\\&%g -s%\]%\\&%g -s%\$%$$%g -EOF -DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '` -rm -f conftest.defs - +DEFS=-DHAVE_CONFIG_H # Without the "./", some shells look in PATH for config.status. : ${CONFIG_STATUS=./config.status} @@ -1123,7 +1500,7 @@ done ac_given_srcdir=$srcdir ac_given_INSTALL="$INSTALL" -trap 'rm -fr `echo "Makefile doc/Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15 +trap 'rm -fr `echo "Makefile doc/Makefile config.h" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15 # Protect against being on the right side of a sed subst in config.status. sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g; @@ -1160,7 +1537,9 @@ s%@AR@%$AR%g s%@RANLIB@%$RANLIB%g s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g s%@INSTALL_DATA@%$INSTALL_DATA%g +s%@HOST_64BIT_LONG@%$HOST_64BIT_LONG%g s%@CC_FOR_BUILD@%$CC_FOR_BUILD%g +s%@CPP@%$CPP%g s%@COREFILE@%$COREFILE%g s%@COREFLAG@%$COREFLAG%g s%@TDEFINES@%$TDEFINES%g @@ -1230,51 +1609,102 @@ s%@INSTALL@%$INSTALL%g fi; done rm -f conftest.subs -EOF +# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where +# NAME is the cpp macro being defined and VALUE is the value it is being given. +# +# ac_d sets the value in "#define NAME VALUE" lines. +ac_dA='s%^\([ ]*\)#\([ ]*define[ ][ ]*\)' +ac_dB='\([ ][ ]*\)[^ ]*%\1#\2' +ac_dC='\3' +ac_dD='%g' +# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE". +ac_uA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)' +ac_uB='\([ ]\)%\1#\2define\3' +ac_uC=' ' +ac_uD='\4%g' +# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE". +ac_eA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)' +ac_eB='$%\1#\2define\3' +ac_eC=' ' +ac_eD='%g' + +CONFIG_HEADERS=${CONFIG_HEADERS-"config.h"} +for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then + # Support "outfile[:infile]", defaulting infile="outfile.in". + case "$ac_file" in + *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'` + ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + *) ac_file_in="${ac_file}.in" ;; + esac -cat >> $CONFIG_STATUS <<EOF -ac_sources="$files" -ac_dests="sysdep.h" -EOF + echo creating $ac_file -cat >> $CONFIG_STATUS <<\EOF -srcdir=$ac_given_srcdir -while test -n "$ac_sources"; do - set $ac_dests; ac_dest=$1; shift; ac_dests=$* - set $ac_sources; ac_source=$1; shift; ac_sources=$* + rm -f conftest.frag conftest.in conftest.out + cp $ac_given_srcdir/$ac_file_in conftest.in - echo "linking $srcdir/$ac_source to $ac_dest" +EOF - if test ! -r $srcdir/$ac_source; then - { echo "configure: error: $srcdir/$ac_source: File not found" 1>&2; exit 1; } - fi - rm -f $ac_dest +# Transform confdefs.h into a sed script conftest.vals that substitutes +# the proper values into config.h.in to produce config.h. And first: +# Protect against being on the right side of a sed subst in config.status. +# Protect against being in an unquoted here document in config.status. +rm -f conftest.vals +cat > conftest.hdr <<\EOF +s/[\\&%]/\\&/g +s%[\\$`]%\\&%g +s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp +s%ac_d%ac_u%gp +s%ac_u%ac_e%gp +EOF +sed -n -f conftest.hdr confdefs.h > conftest.vals +rm -f conftest.hdr + +# This sed command replaces #undef with comments. This is necessary, for +# example, in the case of _POSIX_SOURCE, which is predefined and required +# on some systems where configure will not decide to define it. +cat >> conftest.vals <<\EOF +s%^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */% +EOF - # Make relative symlinks. - # Remove last slash and all that follows it. Not all systems have dirname. - ac_dest_dir=`echo $ac_dest|sed 's%/[^/][^/]*$%%'` - if test "$ac_dest_dir" != "$ac_dest" && test "$ac_dest_dir" != .; then - # The dest file is in a subdirectory. - test ! -d "$ac_dest_dir" && mkdir "$ac_dest_dir" - ac_dest_dir_suffix="/`echo $ac_dest_dir|sed 's%^\./%%'`" - # A "../" for each directory in $ac_dest_dir_suffix. - ac_dots=`echo $ac_dest_dir_suffix|sed 's%/[^/]*%../%g'` - else - ac_dest_dir_suffix= ac_dots= - fi +# Break up conftest.vals because some shells have a limit on +# the size of here documents, and old seds have small limits too. +# Maximum number of lines to put in a single here document. +ac_max_here_lines=12 - case "$srcdir" in - [/$]*) ac_rel_source="$srcdir/$ac_source" ;; - *) ac_rel_source="$ac_dots$srcdir/$ac_source" ;; - esac +rm -f conftest.tail +while : +do + ac_lines=`grep -c . conftest.vals` + # grep -c gives empty output for an empty file on some AIX systems. + if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi + # Write a limited-size here document to conftest.frag. + echo ' cat > conftest.frag <<CEOF' >> $CONFIG_STATUS + sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS + echo 'CEOF + sed -f conftest.frag conftest.in > conftest.out + rm -f conftest.in + mv conftest.out conftest.in +' >> $CONFIG_STATUS + sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail + rm -f conftest.vals + mv conftest.tail conftest.vals +done +rm -f conftest.vals - # Make a symlink if possible; otherwise try a hard link. - if ln -s $ac_rel_source $ac_dest 2>/dev/null || - ln $srcdir/$ac_source $ac_dest; then : +cat >> $CONFIG_STATUS <<\EOF + rm -f conftest.frag conftest.h + echo "/* $ac_file. Generated automatically by configure. */" > conftest.h + cat conftest.in >> conftest.h + rm -f conftest.in + if cmp -s $ac_file conftest.h 2>/dev/null; then + echo "$ac_file is unchanged" + rm -f conftest.h else - { echo "configure: error: can not link $ac_dest to $srcdir/$ac_source" 1>&2; exit 1; } + rm -f $ac_file + mv conftest.h $ac_file fi -done +fi; done + exit 0 |