configure.in (LD): Improve test for gcc.
* configure.in (LD): Improve test for gcc. Try to set LD to the ld used by gcc if LD is not defined and we are not doing a Canadian Cross. * configure: Rebuilt. From-SVN: r60891
This commit is contained in:
John David Anglin
John David Anglin
parent
1bb2cc34af
commit
7057154564
@ -1,3 +1,9 @@
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2003-01-04 John David Anglin <dave.anglin@nrc.ca>
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* configure.in (LD): Improve test for gcc. Try to set LD to the ld used
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by gcc if LD is not defined and we are not doing a Canadian Cross.
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* configure: Rebuilt.
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2002-12-31 Tom Tromey <tromey@redhat.com>
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* Makefile.in: Rebuilt.
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136
configure
vendored
136
configure
vendored
@ -2113,12 +2113,14 @@ else
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YACC="\$(USUAL_YACC)"
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# If CC is still not set, try to get gcc.
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cc_prog_is_gcc=
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if test -z "${CC}" ; then
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IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
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for dir in $PATH; do
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test -z "$dir" && dir=.
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if test -f $dir/gcc; then
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CC="gcc"
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cc_prog_is_gcc=yes
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echo 'void f(){}' > conftest.c
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if test -z "`${CC} -g -c conftest.c 2>&1`"; then
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CFLAGS=${CFLAGS-"-g -O2"}
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@ -2134,11 +2136,20 @@ else
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IFS="$save_ifs"
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CC=${CC-cc}
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else
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# Determine if we are using gcc.
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cat > conftest.c <<EOF
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#ifdef __GNUC__
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yes;
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#endif
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EOF
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if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
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cc_prog_is_gcc=yes
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fi
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rm -f conftest.c
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if test -z "${CFLAGS}"; then
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# Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
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# is set to a version of gcc.
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case "${CC}" in
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*gcc)
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if test "$cc_prog_is_gcc" = yes; then
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echo 'void f(){}' > conftest.c
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if test -z "`${CC} -g -c conftest.c 2>&1`"; then
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CFLAGS=${CFLAGS-"-g -O2"}
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@ -2148,7 +2159,25 @@ else
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CXXFLAGS=${CXXFLAGS-"-O2"}
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fi
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rm -f conftest*
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;;
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fi
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fi
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fi
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# We must set the default linker to the linker used by gcc for the correct
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# operation of libtool. If LD is not defined and we are using gcc, try to
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# set the LD default to the ld used by gcc.
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if test -z "$LD"; then
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if test "$cc_prog_is_gcc" = yes; then
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case $build in
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*-*-mingw*)
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gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
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*)
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gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
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esac
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case $gcc_prog_ld in
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# Accept absolute paths.
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[\\/]* | [A-Za-z]:[\\/]*)
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LD="$gcc_prog_ld" ;;
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esac
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fi
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fi
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@ -2684,7 +2713,7 @@ test -n "$target_alias" && ncn_target_tool_prefix=$target_alias-
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# Extract the first word of "${ncn_tool_prefix}ar", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}ar; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2688: checking for $ac_word" >&5
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echo "configure:2717: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2717,7 +2746,7 @@ if test -z "$ac_cv_prog_AR" ; then
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# Extract the first word of "ar", so it can be a program name with args.
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set dummy ar; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2721: checking for $ac_word" >&5
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echo "configure:2750: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2756,7 +2785,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}as", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}as; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2760: checking for $ac_word" >&5
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echo "configure:2789: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2789,7 +2818,7 @@ if test -z "$ac_cv_prog_AS" ; then
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# Extract the first word of "as", so it can be a program name with args.
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set dummy as; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2793: checking for $ac_word" >&5
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echo "configure:2822: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2828,7 +2857,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}dlltool", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}dlltool; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2832: checking for $ac_word" >&5
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echo "configure:2861: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2861,7 +2890,7 @@ if test -z "$ac_cv_prog_DLLTOOL" ; then
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# Extract the first word of "dlltool", so it can be a program name with args.
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set dummy dlltool; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2865: checking for $ac_word" >&5
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echo "configure:2894: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2900,7 +2929,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}ld", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}ld; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2904: checking for $ac_word" >&5
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echo "configure:2933: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2933,7 +2962,7 @@ if test -z "$ac_cv_prog_LD" ; then
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# Extract the first word of "ld", so it can be a program name with args.
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set dummy ld; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2937: checking for $ac_word" >&5
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echo "configure:2966: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -2972,7 +3001,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}nm", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}nm; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:2976: checking for $ac_word" >&5
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echo "configure:3005: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_NM'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3005,7 +3034,7 @@ if test -z "$ac_cv_prog_NM" ; then
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# Extract the first word of "nm", so it can be a program name with args.
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set dummy nm; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3009: checking for $ac_word" >&5
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echo "configure:3038: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3044,7 +3073,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}ranlib", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}ranlib; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3048: checking for $ac_word" >&5
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echo "configure:3077: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3077,7 +3106,7 @@ if test -z "$ac_cv_prog_RANLIB" ; then
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# Extract the first word of "ranlib", so it can be a program name with args.
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set dummy ranlib; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3081: checking for $ac_word" >&5
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echo "configure:3110: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3116,7 +3145,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}windres", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}windres; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3120: checking for $ac_word" >&5
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echo "configure:3149: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3149,7 +3178,7 @@ if test -z "$ac_cv_prog_WINDRES" ; then
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# Extract the first word of "windres", so it can be a program name with args.
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set dummy windres; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3153: checking for $ac_word" >&5
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echo "configure:3182: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3188,7 +3217,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}objcopy", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}objcopy; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3192: checking for $ac_word" >&5
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echo "configure:3221: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_OBJCOPY'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3221,7 +3250,7 @@ if test -z "$ac_cv_prog_OBJCOPY" ; then
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# Extract the first word of "objcopy", so it can be a program name with args.
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set dummy objcopy; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3225: checking for $ac_word" >&5
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echo "configure:3254: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJCOPY'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3260,7 +3289,7 @@ fi
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# Extract the first word of "${ncn_tool_prefix}objdump", so it can be a program name with args.
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set dummy ${ncn_tool_prefix}objdump; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3264: checking for $ac_word" >&5
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echo "configure:3293: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3293,7 +3322,7 @@ if test -z "$ac_cv_prog_OBJDUMP" ; then
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# Extract the first word of "objdump", so it can be a program name with args.
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set dummy objdump; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3297: checking for $ac_word" >&5
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echo "configure:3326: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_OBJDUMP'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3341,7 +3370,7 @@ fi
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# Extract the first word of "${ncn_target_tool_prefix}ar", so it can be a program name with args.
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set dummy ${ncn_target_tool_prefix}ar; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3345: checking for $ac_word" >&5
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echo "configure:3374: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_AR_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3374,7 +3403,7 @@ if test -z "$ac_cv_prog_AR_FOR_TARGET" ; then
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# Extract the first word of "ar", so it can be a program name with args.
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set dummy ar; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3378: checking for $ac_word" >&5
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echo "configure:3407: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AR_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3413,7 +3442,7 @@ fi
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# Extract the first word of "${ncn_target_tool_prefix}as", so it can be a program name with args.
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set dummy ${ncn_target_tool_prefix}as; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3417: checking for $ac_word" >&5
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echo "configure:3446: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_AS_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3446,7 +3475,7 @@ if test -z "$ac_cv_prog_AS_FOR_TARGET" ; then
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# Extract the first word of "as", so it can be a program name with args.
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set dummy as; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3450: checking for $ac_word" >&5
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echo "configure:3479: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_AS_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3485,7 +3514,7 @@ fi
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# Extract the first word of "${ncn_target_tool_prefix}dlltool", so it can be a program name with args.
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set dummy ${ncn_target_tool_prefix}dlltool; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3489: checking for $ac_word" >&5
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echo "configure:3518: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3518,7 +3547,7 @@ if test -z "$ac_cv_prog_DLLTOOL_FOR_TARGET" ; then
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# Extract the first word of "dlltool", so it can be a program name with args.
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set dummy dlltool; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3522: checking for $ac_word" >&5
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echo "configure:3551: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_DLLTOOL_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3557,7 +3586,7 @@ fi
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# Extract the first word of "${ncn_target_tool_prefix}ld", so it can be a program name with args.
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set dummy ${ncn_target_tool_prefix}ld; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3561: checking for $ac_word" >&5
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echo "configure:3590: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_LD_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3590,7 +3619,7 @@ if test -z "$ac_cv_prog_LD_FOR_TARGET" ; then
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# Extract the first word of "ld", so it can be a program name with args.
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set dummy ld; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3594: checking for $ac_word" >&5
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echo "configure:3623: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_LD_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3629,7 +3658,7 @@ fi
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# Extract the first word of "${ncn_target_tool_prefix}nm", so it can be a program name with args.
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set dummy ${ncn_target_tool_prefix}nm; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3633: checking for $ac_word" >&5
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echo "configure:3662: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_NM_FOR_TARGET'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -3662,7 +3691,7 @@ if test -z "$ac_cv_prog_NM_FOR_TARGET" ; then
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# Extract the first word of "nm", so it can be a program name with args.
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set dummy nm; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:3666: checking for $ac_word" >&5
|
||||
echo "configure:3695: checking for $ac_word" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_NM_FOR_TARGET'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -3701,7 +3730,7 @@ fi
|
||||
# Extract the first word of "${ncn_target_tool_prefix}ranlib", so it can be a program name with args.
|
||||
set dummy ${ncn_target_tool_prefix}ranlib; ac_word=$2
|
||||
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
|
||||
echo "configure:3705: checking for $ac_word" >&5
|
||||
echo "configure:3734: checking for $ac_word" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB_FOR_TARGET'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -3734,7 +3763,7 @@ if test -z "$ac_cv_prog_RANLIB_FOR_TARGET" ; then
|
||||
# Extract the first word of "ranlib", so it can be a program name with args.
|
||||
set dummy ranlib; ac_word=$2
|
||||
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
|
||||
echo "configure:3738: checking for $ac_word" >&5
|
||||
echo "configure:3767: checking for $ac_word" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_RANLIB_FOR_TARGET'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -3773,7 +3802,7 @@ fi
|
||||
# Extract the first word of "${ncn_target_tool_prefix}windres", so it can be a program name with args.
|
||||
set dummy ${ncn_target_tool_prefix}windres; ac_word=$2
|
||||
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
|
||||
echo "configure:3777: checking for $ac_word" >&5
|
||||
echo "configure:3806: checking for $ac_word" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_prog_WINDRES_FOR_TARGET'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -3806,7 +3835,7 @@ if test -z "$ac_cv_prog_WINDRES_FOR_TARGET" ; then
|
||||
# Extract the first word of "windres", so it can be a program name with args.
|
||||
set dummy windres; ac_word=$2
|
||||
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
|
||||
echo "configure:3810: checking for $ac_word" >&5
|
||||
echo "configure:3839: checking for $ac_word" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_prog_ncn_cv_WINDRES_FOR_TARGET'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
@ -3938,34 +3967,15 @@ 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.
|
||||
#
|
||||
# If the first sed substitution is executed (which looks for macros that
|
||||
# take arguments), then we branch to the quote section. Otherwise,
|
||||
# look for a macro that doesn't take arguments.
|
||||
cat >confdef2opt.sed <<\_ACEOF
|
||||
t clear
|
||||
: clear
|
||||
s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\),-D\1=\2,g
|
||||
t quote
|
||||
s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\),-D\1=\2,g
|
||||
t quote
|
||||
d
|
||||
: quote
|
||||
s,[ `~#$^&*(){}\\|;'"<>?],\\&,g
|
||||
s,\[,\\&,g
|
||||
s,\],\\&,g
|
||||
s,\$,$$,g
|
||||
p
|
||||
_ACEOF
|
||||
# We use echo to avoid assuming a particular line-breaking character.
|
||||
# The extra dot is to prevent the shell from consuming trailing
|
||||
# line-breaks from the sub-command output. A line-break within
|
||||
# single-quotes doesn't work because, if this script is created in a
|
||||
# platform that uses two characters for line-breaks (e.g., DOS), tr
|
||||
# would break.
|
||||
ac_LF_and_DOT=`echo; echo .`
|
||||
DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'`
|
||||
rm -f confdef2opt.sed
|
||||
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
|
||||
|
||||
|
||||
# Without the "./", some shells look in PATH for config.status.
|
||||
|
||||
35
configure.in
35
configure.in
@ -1456,12 +1456,14 @@ else
|
||||
YACC="\$(USUAL_YACC)"
|
||||
|
||||
# If CC is still not set, try to get gcc.
|
||||
cc_prog_is_gcc=
|
||||
if test -z "${CC}" ; then
|
||||
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
|
||||
for dir in $PATH; do
|
||||
test -z "$dir" && dir=.
|
||||
if test -f $dir/gcc; then
|
||||
CC="gcc"
|
||||
cc_prog_is_gcc=yes
|
||||
echo 'void f(){}' > conftest.c
|
||||
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
|
||||
CFLAGS=${CFLAGS-"-g -O2"}
|
||||
@ -1477,11 +1479,20 @@ else
|
||||
IFS="$save_ifs"
|
||||
CC=${CC-cc}
|
||||
else
|
||||
# Determine if we are using gcc.
|
||||
cat > conftest.c <<EOF
|
||||
#ifdef __GNUC__
|
||||
yes;
|
||||
#endif
|
||||
EOF
|
||||
if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
|
||||
cc_prog_is_gcc=yes
|
||||
fi
|
||||
rm -f conftest.c
|
||||
if test -z "${CFLAGS}"; then
|
||||
# Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
|
||||
# is set to a version of gcc.
|
||||
case "${CC}" in
|
||||
*gcc)
|
||||
if test "$cc_prog_is_gcc" = yes; then
|
||||
echo 'void f(){}' > conftest.c
|
||||
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
|
||||
CFLAGS=${CFLAGS-"-g -O2"}
|
||||
@ -1491,7 +1502,25 @@ else
|
||||
CXXFLAGS=${CXXFLAGS-"-O2"}
|
||||
fi
|
||||
rm -f conftest*
|
||||
;;
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
||||
# We must set the default linker to the linker used by gcc for the correct
|
||||
# operation of libtool. If LD is not defined and we are using gcc, try to
|
||||
# set the LD default to the ld used by gcc.
|
||||
if test -z "$LD"; then
|
||||
if test "$cc_prog_is_gcc" = yes; then
|
||||
case $build in
|
||||
*-*-mingw*)
|
||||
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
|
||||
*)
|
||||
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
|
||||
esac
|
||||
case $gcc_prog_ld in
|
||||
# Accept absolute paths.
|
||||
[[\\/]* | [A-Za-z]:[\\/]*)]
|
||||
LD="$gcc_prog_ld" ;;
|
||||
esac
|
||||
fi
|
||||
fi
|
||||
|
||||
Loading…
Reference in New Issue
Block a user