rename memalign source file back to its proper name

[musl] / configure

diff --git a/configure b/configure
index 8680128..4359882 100755 (executable)
--- a/configure
+++ b/configure
@@ -494,6 +494,13 @@ fnmatch '-march=*|*\ -march=*' "$CC $CFLAGS" || tryldflag CFLAGS_AUTO -march=i48
 fnmatch '-mtune=*|*\ -mtune=*' "$CC $CFLAGS" || tryldflag CFLAGS_AUTO -mtune=generic
 fi
 
+#
+# GCC defines -w as overriding any -W options, regardless of order, but
+# clang has a bunch of annoying warnings enabled by default and needs -w
+# to start from a clean slate. So use -w if building with clang.
+#
+test "$cc_family" = clang && tryflag CFLAGS_AUTO -w
+
 #
 # Even with -std=c99, gcc accepts some constructs which are constraint
 # violations. We want to treat these as errors regardless of whether
@@ -646,6 +653,15 @@ if test "$ARCH" = "powerpc" ; then
 trycppif "__NO_FPRS__ && !_SOFT_FLOAT" "$t" && fail \
   "$0: error: compiler's floating point configuration is unsupported"
 trycppif _SOFT_FLOAT "$t" && SUBARCH=${SUBARCH}-sf
+printf "checking whether compiler can use 'd' constraint in asm... "
+echo 'double f(double x) { __asm__ ("fabs %0, %1" : "=d"(x) : "d"(x)); return x; }' > "$tmpc"
+if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+printf "yes\n"
+else
+printf "no\n"
+CFLAGS_AUTO="$CFLAGS_AUTO -DBROKEN_PPC_D_ASM"
+CFLAGS_AUTO="${CFLAGS_AUTO# }"
+fi
 fi
 
 test "$ARCH" = "microblaze" && trycppif __MICROBLAZEEL__ "$t" \