Convert to autoconf 2.72 (vanilla release, no distribution patches)

As discussed at the patch review meeting

Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
Reviewed-by: Simon Chopin <simon.chopin@canonical.com>

1 files changed, 14 insertions, 10 deletions

diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index d6d091a4c2..61ae675c1a 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -7,8 +7,8 @@ printf %s "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended form
 if test ${libc_cv_mlong_double_128ibm+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  save_CFLAGS="$CFLAGS"
+else case e in #(
+  e) save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -mlong-double-128"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -28,11 +28,13 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   libc_cv_mlong_double_128ibm=yes
-else $as_nop
-  libc_cv_mlong_double_128ibm=no
+else case e in #(
+  e) libc_cv_mlong_double_128ibm=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+CFLAGS="$save_CFLAGS" ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
 printf "%s\n" "$libc_cv_mlong_double_128ibm" >&6; }
@@ -43,8 +45,8 @@ printf %s "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6; }
 if test ${libc_cv_mabi_ibmlongdouble+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-    save_CFLAGS="$CFLAGS"
+else case e in #(
+  e)   save_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -64,11 +66,13 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   libc_cv_mabi_ibmlongdouble=yes
-else $as_nop
-  libc_cv_mabi_ibmlongdouble=no
+else case e in #(
+  e) libc_cv_mabi_ibmlongdouble=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-  CFLAGS="$save_CFLAGS"
+  CFLAGS="$save_CFLAGS" ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
 printf "%s\n" "$libc_cv_mabi_ibmlongdouble" >&6; }