diff --git a/configure b/configure index 4fb66501733009e88ac2a696b1d2f991f8add3cd..cd02d1073165597e53b91ab0d5ee2a700768b542 100755 --- a/configure +++ b/configure @@ -15596,6 +15596,10 @@ fi # On most platforms, if perl.h is there then libperl.so will be too, but at # this writing Debian packages them separately. There is no known reason to # waste cycles on separate probes for the Tcl or Python libraries, though. + # On some Red Hat platforms, the link attempt can fail if we don't use + # CFLAGS_SL while building the test program. + ac_save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS $CFLAGS_SL" pgac_save_LIBS=$LIBS LIBS="$perl_embed_ldflags" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libperl" >&5 @@ -15625,6 +15629,7 @@ fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$pgac_save_LIBS + CFLAGS=$ac_save_CFLAGS CPPFLAGS=$ac_save_CPPFLAGS fi diff --git a/configure.in b/configure.in index 61bd57e237809bd9c0a7966406c12acd10da52d0..b8ea946d736ce81dad3dfa08c360db9f60402405 100644 --- a/configure.in +++ b/configure.in @@ -2096,6 +2096,10 @@ if test "$with_perl" = yes; then # On most platforms, if perl.h is there then libperl.so will be too, but at # this writing Debian packages them separately. There is no known reason to # waste cycles on separate probes for the Tcl or Python libraries, though. + # On some Red Hat platforms, the link attempt can fail if we don't use + # CFLAGS_SL while building the test program. + ac_save_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS $CFLAGS_SL" pgac_save_LIBS=$LIBS LIBS="$perl_embed_ldflags" AC_MSG_CHECKING([for libperl]) @@ -2107,6 +2111,7 @@ if test "$with_perl" = yes; then [AC_MSG_RESULT(no) AC_MSG_ERROR([libperl library is required for Perl])]) LIBS=$pgac_save_LIBS + CFLAGS=$ac_save_CFLAGS CPPFLAGS=$ac_save_CPPFLAGS fi