gcov-tool.c (gcov_list): Declare here.

[gcc.git] / libgcc / configure.ac

diff --git a/libgcc/configure.ac b/libgcc/configure.ac
index 560e988e048d33f07242f9ce4eb4f747e86fde7a..d877d21c092e036b8fefdc0d02d8895606537e2a 100644 (file)
--- a/libgcc/configure.ac
+++ b/libgcc/configure.ac
@@ -279,9 +279,11 @@ AC_CACHE_CHECK([whether assembler supports CFI directives], [libgcc_cv_cfi],
   [libgcc_cv_cfi=yes],
   [libgcc_cv_cfi=no])])
 
-# Check 32bit or 64bit
+# Check 32bit or 64bit.  In the case of MIPS, this really determines the
+# word size rather than the address size.
 cat > conftest.c <<EOF
-#if defined(__x86_64__) || (!defined(__i386__) && defined(__LP64__))
+#if defined(__x86_64__) || (!defined(__i386__) && defined(__LP64__)) \
+    || defined(__mips64)
 host_address=64
 #else
 host_address=32
@@ -290,6 +292,18 @@ EOF
 eval `${CC-cc} -E conftest.c | grep host_address=`
 rm -f conftest.c
 
+case ${host} in
+mips*-*-*)
+  AC_CACHE_CHECK([whether the target is hard-float],
+                [libgcc_cv_mips_hard_float],
+                [AC_COMPILE_IFELSE(
+    [#ifndef __mips_hard_float
+     #error FOO
+     #endif],
+    [libgcc_cv_mips_hard_float=yes],
+    [libgcc_cv_mips_hard_float=no])])
+esac
+
 # Collect host-machine-specific information.
 . ${srcdir}/config.host