* toplev.c (print_version): Output GMP/MPFR version info.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124822 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f355683..7a7dcd1 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
+       * toplev.c (print_version): Output GMP/MPFR version info.
+
        * builtins.c (CASE_MATHFN_REENT): New macro.
        (mathfn_built_in): Use it.
        * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 1600596..8d4a328 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1180,12 +1180,16 @@ print_version (FILE *file, const char *indent)
 {
   static const char fmt1[] =
 #ifdef __GNUC__
-    N_("%s%s%s version %s (%s)\n%s\tcompiled by GNU C version %s.\n")
+    N_("%s%s%s version %s (%s)\n%s\tcompiled by GNU C version %s, ")
 #else
-    N_("%s%s%s version %s (%s) compiled by CC.\n")
+    N_("%s%s%s version %s (%s) compiled by CC, ")
 #endif
     ;
   static const char fmt2[] =
+    N_("GMP version %s, MPFR version %s.\n");
+  static const char fmt3[] =
+    N_("warning: %s header version %s differs from library version %s.\n");
+  static const char fmt4[] =
     N_("%s%sGGC heuristics: --param ggc-min-expand=%d --param ggc-min-heapsize=%d\n");
 #ifndef __VERSION__
 #define __VERSION__ "[?]"
@@ -1195,8 +1199,32 @@ print_version (FILE *file, const char *indent)
           indent, *indent != 0 ? " " : "",
           lang_hooks.name, version_string, TARGET_NAME,
           indent, __VERSION__);
+
+  /* We need to stringify the GMP macro values.  Ugh, gmp_version has
+     two string formats, "i.j.k" and "i.j" when k is zero.  */
+#define GCC_GMP_STRINGIFY_VERSION3(X) #X
+#define GCC_GMP_STRINGIFY_VERSION2(X) GCC_GMP_STRINGIFY_VERSION3(X)
+#if __GNU_MP_VERSION_PATCHLEVEL == 0
+#define GCC_GMP_STRINGIFY_VERSION GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION) "." \
+  GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION_MINOR)
+#else
+#define GCC_GMP_STRINGIFY_VERSION GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION) "." \
+  GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION_MINOR) "." \
+  GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION_PATCHLEVEL)
+#endif
   fprintf (file,
           file == stderr ? _(fmt2) : fmt2,
+          GCC_GMP_STRINGIFY_VERSION, MPFR_VERSION_STRING);
+  if (strcmp (GCC_GMP_STRINGIFY_VERSION, gmp_version))
+    fprintf (file,
+            file == stderr ? _(fmt3) : fmt3,
+            "GMP", GCC_GMP_STRINGIFY_VERSION, gmp_version);
+  if (strcmp (MPFR_VERSION_STRING, mpfr_get_version ()))
+    fprintf (file,
+            file == stderr ? _(fmt3) : fmt3,
+            "MPFR", MPFR_VERSION_STRING, mpfr_get_version ());
+  fprintf (file,
+          file == stderr ? _(fmt4) : fmt4,
           indent, *indent != 0 ? " " : "",
           PARAM_VALUE (GGC_MIN_EXPAND), PARAM_VALUE (GGC_MIN_HEAPSIZE));
 }