diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/configure b/configure index f71fcd642d7..20d1f5b4a9e 100755 --- a/configure +++ b/configure @@ -4318,6 +4318,116 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu +# If compiler will take -Wl,--as-needed then add that to LDFLAGS. +# This is much easier than trying to filter LIBS to the minimum for each +# executable. (Note that shared libraries won't use this switch, though.) +# On Darwin it's spelled -Wl,-dead_strip_dylibs, but don't try that elsewhere +if test "$PORTNAME" != "darwin"; then + { echo "$as_me:$LINENO: checking if $CC supports -Wl,--as-needed" >&5 +echo $ECHO_N "checking if $CC supports -Wl,--as-needed... $ECHO_C" >&6; } +pgac_save_LDFLAGS=$LDFLAGS +LDFLAGS="$pgac_save_LDFLAGS -Wl,--as-needed" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + { echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + LDFLAGS="$pgac_save_LDFLAGS" + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext + +else + { echo "$as_me:$LINENO: checking if $CC supports -Wl,-dead_strip_dylibs" >&5 +echo $ECHO_N "checking if $CC supports -Wl,-dead_strip_dylibs... $ECHO_C" >&6; } +pgac_save_LDFLAGS=$LDFLAGS +LDFLAGS="$pgac_save_LDFLAGS -Wl,-dead_strip_dylibs" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && + $as_test_x conftest$ac_exeext; then + { echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + LDFLAGS="$pgac_save_LDFLAGS" + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + +rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \ + conftest$ac_exeext conftest.$ac_ext + +fi + # Create compiler version string if test x"$GCC" = x"yes" ; then cc_string="GCC `${CC} --version | sed q`" |