- don't rely on buggy gmp/mpfr on the host but use our own build iff we are about to build a somewhat current toolchain.

1 files changed, 27 insertions, 0 deletions

diff --git a/toolchain/gcc/4.2/900-gengtype-verbose-error.patch b/toolchain/gcc/4.2/900-gengtype-verbose-error.patch
new file mode 100644
index 000000000..119c00b9a
--- /dev/null
+++ b/toolchain/gcc/4.2/900-gengtype-verbose-error.patch
@@ -0,0 +1,27 @@
+Index: gcc-4.2/gcc/gengtype-lex.l
+===================================================================
+--- gcc-4.2/gcc/gengtype-lex.l	(revision 121000)
++++ gcc-4.2/gcc/gengtype-lex.l	(working copy)
+@@ -535,13 +535,19 @@
+ macro_input (char *buffer, unsigned size)
+ {
+   unsigned result;
++  int old_errno;
+ 
+   result = fread (buffer, 1, size, yyin);
++  old_errno = errno;
+   if (result)
+     /*NOP*/;
+-  else if (ferror (yyin))
+-    YY_FATAL_ERROR ("read of source file failed");
+-  else if (macro_expns)
++  else if (ferror (yyin)) {
++    char *err_msg;
++    err_msg = xasprintf ("read of source file '%s:%d' failed",
++    			lexer_line.file,
++    			lexer_line.line);
++    YY_FATAL_ERROR (err_msg);
++  } else if (macro_expns)
+     {
+       const char *expn;
+       unsigned len;