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-rw-r--r--gcc/configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/configure.in b/gcc/configure.in
index a75e997..1ae1a9a 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -284,6 +284,7 @@ AC_CANONICAL_SYSTEM
# Find the native compiler
AC_PROG_CC
+AC_GCC_C_LONG_DOUBLE
# If the native compiler is GCC, we can enable warnings even in stage1.
# That's useful for people building cross-compilers, or just running a