Add brackets around AC_TRY_COMPILE alternative.

[pf3gnuchains/gcc-fork.git] / fixincludes / inclhack.def

diff --git a/fixincludes/inclhack.def b/fixincludes/inclhack.def
index 88d2eeb..910b388 100644 (file)
--- a/fixincludes/inclhack.def
+++ b/fixincludes/inclhack.def
@@ -607,7 +607,7 @@ fix = {
 fix = {
     hackname  = alpha_assert;
     files     = "assert.h";
-    select    = '(#define assert\(EX\).*)\(\(int\) \(EX\)\)';
+    select    = "(#[ \t]*" 'define assert\(EX\).*)\(\(int\) \(EX\)\)';
     c_fix     = format;
     c_fix_arg = "%1(EX)";
     test_text = '#define assert(EX) (((int) (EX)) ? (void)0 '
@@ -1598,6 +1598,28 @@ fix = {
 };
 
 
+/* Some versions of glibc have a version of bits/string2.h that
+   produces "value computed is not used" warnings from strncpy; fix
+   this definition by using __builtin_strncpy instead as in newer
+   versions.  */
+fix = {
+    hackname  = glibc_strncpy;
+    files     = bits/string2.h;
+    bypass    = "__builtin_strncpy";
+    c_fix     = format;
+    c_fix_arg = "#  define strncpy(dest, src, n) __builtin_strncpy (dest, src, n)";
+    c_fix_arg = "#  define strncpy([^\n]*\\\\\n)*[^\n]*";
+    test_text = <<-EOT
+       #  define strncpy(dest, src, n) \
+         (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n)      \\
+                         ? (strlen (src) + 1 >= ((size_t) (n))                       \\
+                            ? (char *) memcpy (dest, src, n)                         \\
+                            : strncpy (dest, src, n))                                \\
+                         : strncpy (dest, src, n)))
+       EOT;
+
+};
+
 /* glibc's tgmath.h relies on an expression that is not an integer
    constant expression being treated as it was by GCC 4.4 and
    earlier.  */
@@ -3339,7 +3361,7 @@ fix = {
 
 fix = {
     hackname = solaris_math_8;
-    select = '@\(#\)math_c99.h' "[ \t]+1.[0-9]+[ \t]+[0-9/]+ SMI";
+    select = '@\(#\)math_c99\.h' "[ \t]+1\\.[0-9]+[ \t]+[0-9/]+ SMI";
     bypass = "__GNUC__";
     files = iso/math_c99.h;
     c_fix = format;
@@ -3349,9 +3371,11 @@ fix = {
                 "\t\t\t     ? __builtin_signbitl(x) \\\n"
                 "\t\t\t     : __builtin_signbit(x))";
     c_fix_arg = "^#define[ \t]+signbit\\(x\\)[ \t]+__builtin_signbit\\(x\\)";
-    test_text =
-    '#ident    "@(#)math_c99.h 1.9     04/11/01 SMI"'"\n"
-    "#define   signbit(x)      __builtin_signbit(x)";
+    test_text = <<- _EOText_
+       #ident  "@(#)math_c99.h 1.9     04/11/01 SMI"
+       #undef  signbit
+       #define signbit(x)      __builtin_signbit(x)
+       _EOText_;
 };
 
 fix = {