gdb: libiberty: switch to AC_CHECK_DECLS_ONCE

Only check these decls once in case other m4 macros also look for them.

Approved-By: Tom Tromey <tom@tromey.com>

1 files changed, 69 insertions, 58 deletions

diff --git a/gdbserver/configure b/gdbserver/configure
index f1292f9..6a91318 100755
--- a/gdbserver/configure
+++ b/gdbserver/configure
@@ -13875,62 +13875,6 @@ done
 
 LIBS="$old_LIBS"
 
-
-  # Check for presence and size of long long.
-  ac_fn_c_check_type "$LINENO" "long long" "ac_cv_type_long_long" "$ac_includes_default"
-if test "x$ac_cv_type_long_long" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_LONG_LONG 1
-_ACEOF
-
-# The cast to long int works around a bug in the HP C Compiler
-# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
-# This bug is HP SR number 8606223364.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
-$as_echo_n "checking size of long long... " >&6; }
-if ${ac_cv_sizeof_long_long+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
-
-else
-  if test "$ac_cv_type_long_long" = yes; then
-     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (long long)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_long_long=0
-   fi
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_long" >&5
-$as_echo "$ac_cv_sizeof_long_long" >&6; }
-
-
-
-cat >>confdefs.h <<_ACEOF
-#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long
-_ACEOF
-
-
-fi
-
-
-  as_ac_Symbol=`$as_echo "ac_cv_have_decl_basename(char *)" | $as_tr_sh`
-ac_fn_c_check_decl "$LINENO" "basename(char *)" "$as_ac_Symbol" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Symbol"\" = x"yes"; then :
-  ac_have_decl=1
-else
-  ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_BASENAME $ac_have_decl
-_ACEOF
 ac_fn_c_check_decl "$LINENO" "ffs" "ac_cv_have_decl_ffs" "$ac_includes_default"
 if test "x$ac_cv_have_decl_ffs" = xyes; then :
   ac_have_decl=1
@@ -13941,6 +13885,7 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_FFS $ac_have_decl
 _ACEOF
+
 ac_fn_c_check_decl "$LINENO" "asprintf" "ac_cv_have_decl_asprintf" "$ac_includes_default"
 if test "x$ac_cv_have_decl_asprintf" = xyes; then :
   ac_have_decl=1
@@ -13951,6 +13896,7 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_ASPRINTF $ac_have_decl
 _ACEOF
+
 ac_fn_c_check_decl "$LINENO" "vasprintf" "ac_cv_have_decl_vasprintf" "$ac_includes_default"
 if test "x$ac_cv_have_decl_vasprintf" = xyes; then :
   ac_have_decl=1
@@ -13961,6 +13907,7 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_VASPRINTF $ac_have_decl
 _ACEOF
+
 ac_fn_c_check_decl "$LINENO" "snprintf" "ac_cv_have_decl_snprintf" "$ac_includes_default"
 if test "x$ac_cv_have_decl_snprintf" = xyes; then :
   ac_have_decl=1
@@ -13971,6 +13918,7 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_SNPRINTF $ac_have_decl
 _ACEOF
+
 ac_fn_c_check_decl "$LINENO" "vsnprintf" "ac_cv_have_decl_vsnprintf" "$ac_includes_default"
 if test "x$ac_cv_have_decl_vsnprintf" = xyes; then :
   ac_have_decl=1
@@ -13982,7 +13930,7 @@ cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_VSNPRINTF $ac_have_decl
 _ACEOF
 
-  ac_fn_c_check_decl "$LINENO" "strtol" "ac_cv_have_decl_strtol" "$ac_includes_default"
+ac_fn_c_check_decl "$LINENO" "strtol" "ac_cv_have_decl_strtol" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strtol" = xyes; then :
   ac_have_decl=1
 else
@@ -13992,6 +13940,7 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_STRTOL $ac_have_decl
 _ACEOF
+
 ac_fn_c_check_decl "$LINENO" "strtoul" "ac_cv_have_decl_strtoul" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strtoul" = xyes; then :
   ac_have_decl=1
@@ -14002,6 +13951,7 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_STRTOUL $ac_have_decl
 _ACEOF
+
 ac_fn_c_check_decl "$LINENO" "strtoll" "ac_cv_have_decl_strtoll" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strtoll" = xyes; then :
   ac_have_decl=1
@@ -14012,6 +13962,7 @@ fi
 cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_STRTOLL $ac_have_decl
 _ACEOF
+
 ac_fn_c_check_decl "$LINENO" "strtoull" "ac_cv_have_decl_strtoull" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strtoull" = xyes; then :
   ac_have_decl=1
@@ -14023,7 +13974,7 @@ cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_STRTOULL $ac_have_decl
 _ACEOF
 
-  ac_fn_c_check_decl "$LINENO" "strverscmp" "ac_cv_have_decl_strverscmp" "$ac_includes_default"
+ac_fn_c_check_decl "$LINENO" "strverscmp" "ac_cv_have_decl_strverscmp" "$ac_includes_default"
 if test "x$ac_cv_have_decl_strverscmp" = xyes; then :
   ac_have_decl=1
 else
@@ -14035,6 +13986,66 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+  # Check for presence and size of long long.
+  ac_fn_c_check_type "$LINENO" "long long" "ac_cv_type_long_long" "$ac_includes_default"
+if test "x$ac_cv_type_long_long" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_LONG_LONG 1
+_ACEOF
+
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5
+$as_echo_n "checking size of long long... " >&6; }
+if ${ac_cv_sizeof_long_long+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long"        "$ac_includes_default"; then :
+
+else
+  if test "$ac_cv_type_long_long" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (long long)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_long_long=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_long" >&5
+$as_echo "$ac_cv_sizeof_long_long" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long
+_ACEOF
+
+
+fi
+
+
+  as_ac_Symbol=`$as_echo "ac_cv_have_decl_basename(char *)" | $as_tr_sh`
+ac_fn_c_check_decl "$LINENO" "basename(char *)" "$as_ac_Symbol" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Symbol"\" = x"yes"; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_BASENAME $ac_have_decl
+_ACEOF
+
+
+
+
+
 
 ac_fn_c_check_decl "$LINENO" "perror" "ac_cv_have_decl_perror" "$ac_includes_default"
 if test "x$ac_cv_have_decl_perror" = xyes; then :