diff options
Diffstat (limited to 'libstdc++-v3/configure')
-rwxr-xr-x | libstdc++-v3/configure | 65 |
1 files changed, 37 insertions, 28 deletions
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index b7d74dc3f9e..4426c090d4e 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -1476,13 +1476,22 @@ echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} ,);; *) if test "x$ac_old_val" != "x$ac_new_val"; then - { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5 + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5 echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} - { echo "$as_me:$LINENO: former value: $ac_old_val" >&5 -echo "$as_me: former value: $ac_old_val" >&2;} - { echo "$as_me:$LINENO: current value: $ac_new_val" >&5 -echo "$as_me: current value: $ac_new_val" >&2;} - ac_cache_corrupted=: + ac_cache_corrupted=: + else + { echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { echo "$as_me:$LINENO: former value: \`$ac_old_val'" >&5 +echo "$as_me: former value: \`$ac_old_val'" >&2;} + { echo "$as_me:$LINENO: current value: \`$ac_new_val'" >&5 +echo "$as_me: current value: \`$ac_new_val'" >&2;} fi;; esac # Pass precious variables to config.status. @@ -4657,13 +4666,13 @@ if test "${lt_cv_nm_interface+set}" = set; then else lt_cv_nm_interface="BSD nm" echo "int some_variable = 0;" > conftest.$ac_ext - (eval echo "\"\$as_me:4660: $ac_compile\"" >&5) + (eval echo "\"\$as_me:4669: $ac_compile\"" >&5) (eval "$ac_compile" 2>conftest.err) cat conftest.err >&5 - (eval echo "\"\$as_me:4663: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval echo "\"\$as_me:4672: $NM \\\"conftest.$ac_objext\\\"\"" >&5) (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) cat conftest.err >&5 - (eval echo "\"\$as_me:4666: output\"" >&5) + (eval echo "\"\$as_me:4675: output\"" >&5) cat conftest.out >&5 if $GREP 'External.*some_variable' conftest.out > /dev/null; then lt_cv_nm_interface="MS dumpbin" @@ -5707,7 +5716,7 @@ ia64-*-hpux*) ;; *-*-irix6*) # Find out which ABI we are using. - echo '#line 5710 "configure"' > conftest.$ac_ext + echo '#line 5719 "configure"' > conftest.$ac_ext if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? @@ -7169,11 +7178,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:7172: $lt_compile\"" >&5) + (eval echo "\"\$as_me:7181: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:7176: \$? = $ac_status" >&5 + echo "$as_me:7185: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -7491,11 +7500,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:7494: $lt_compile\"" >&5) + (eval echo "\"\$as_me:7503: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:7498: \$? = $ac_status" >&5 + echo "$as_me:7507: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -7596,11 +7605,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:7599: $lt_compile\"" >&5) + (eval echo "\"\$as_me:7608: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:7603: \$? = $ac_status" >&5 + echo "$as_me:7612: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -7651,11 +7660,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:7654: $lt_compile\"" >&5) + (eval echo "\"\$as_me:7663: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:7658: \$? = $ac_status" >&5 + echo "$as_me:7667: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -10503,7 +10512,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 10506 "configure" +#line 10515 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -10603,7 +10612,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 10606 "configure" +#line 10615 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12641,11 +12650,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:12644: $lt_compile\"" >&5) + (eval echo "\"\$as_me:12653: $lt_compile\"" >&5) (eval "$lt_compile" 2>conftest.err) ac_status=$? cat conftest.err >&5 - echo "$as_me:12648: \$? = $ac_status" >&5 + echo "$as_me:12657: \$? = $ac_status" >&5 if (exit $ac_status) && test -s "$ac_outfile"; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings other than the usual output. @@ -12740,11 +12749,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:12743: $lt_compile\"" >&5) + (eval echo "\"\$as_me:12752: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:12747: \$? = $ac_status" >&5 + echo "$as_me:12756: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -12792,11 +12801,11 @@ else -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ -e 's:$: $lt_compiler_flag:'` - (eval echo "\"\$as_me:12795: $lt_compile\"" >&5) + (eval echo "\"\$as_me:12804: $lt_compile\"" >&5) (eval "$lt_compile" 2>out/conftest.err) ac_status=$? cat out/conftest.err >&5 - echo "$as_me:12799: \$? = $ac_status" >&5 + echo "$as_me:12808: \$? = $ac_status" >&5 if (exit $ac_status) && test -s out/conftest2.$ac_objext then # The compiler can only warn and ignore the option if not recognized @@ -13841,7 +13850,7 @@ fi; # # Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style. cat > conftest.$ac_ext << EOF -#line 13844 "configure" +#line 13853 "configure" struct S { ~S(); }; void bar(); void foo() @@ -18088,7 +18097,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu # Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style. cat > conftest.$ac_ext << EOF -#line 18091 "configure" +#line 18100 "configure" int main() { // NB: _Atomic_word not necessarily int. |