Fix wrong merge of configure.in

Author: vbwagner

config/c-compiler.m4

@@ -135,7 +135,7 @@ if test x"$pgac_cv__128bit_int" = xyes ; then
   # If not cross-compiling, we can test for bugs and disable use of __int128
   # with buggy compilers.  If cross-compiling, hope for the best.
   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83925
-  [AC_RUN_IFELSE([AC_LANG_PROGRAM([
+  AC_RUN_IFELSE([AC_LANG_PROGRAM([
 /* This must match the corresponding code in c.h: */
 #if defined(__GNUC__) || defined(__SUNPRO_C) || defined(__IBMC__)
 #define pg_attribute_aligned(a) __attribute__((aligned(a)))
@@ -157,7 +157,7 @@ if (q != holder)
 ])],
   [pgac_cv__128bit_int_bug=ok],
   [pgac_cv__128bit_int_bug=broken],
-  [pgac_cv__128bit_int_bug="assuming ok"])])
+  [pgac_cv__128bit_int_bug="assuming ok"]))
   if test x"$pgac_cv__128bit_int_bug" != xbroken ; then
     AC_DEFINE(PG_INT128_TYPE, __int128, [Define to the name of a signed 128-bit integer type.])
     AC_CHECK_ALIGNOF(PG_INT128_TYPE)

configure

@@ -15100,7 +15100,12 @@ if test x"$pgac_cv__128bit_int" = xyes ; then
   # If not cross-compiling, we can test for bugs and disable use of __int128
   # with buggy compilers.  If cross-compiling, hope for the best.
   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83925
-  AC_RUN_IFELSE([AC_LANG_PROGRAM([
+  if test "$cross_compiling" = yes; then :
+  pgac_cv__128bit_int_bug="assuming ok"
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
 /* This must match the corresponding code in c.h: */
 #if defined(__GNUC__) || defined(__SUNPRO_C) || defined(__IBMC__)
 #define pg_attribute_aligned(a) __attribute__((aligned(a)))
@@ -15112,17 +15117,31 @@ pg_attribute_aligned(8)
 ;
 int128a holder;
 void pass_by_val(void *buffer, int128a par) { holder = par; }
-],[
+
+int
+main ()
+{
+
 long int i64 = 97656225L << 12;
 int128a q;
 pass_by_val(main, (int128a) i64);
 q = (int128a) i64;
 if (q != holder)
   return 1;
-])],
-  [pgac_cv__128bit_int_bug=ok],
-  [pgac_cv__128bit_int_bug=broken],
-  [pgac_cv__128bit_int_bug="assuming ok"]))
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  pgac_cv__128bit_int_bug=ok
+else
+  pgac_cv__128bit_int_bug=broken
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+)
   if test x"$pgac_cv__128bit_int_bug" != xbroken ; then
 
 $as_echo "#define PG_INT128_TYPE __int128" >>confdefs.h