1 files changed, 8 insertions, 0 deletions
diff --git a/configure b/configure
index 6f5453f5..853bf05e 100755
--- a/configure
+++ b/configure
@@ -354,6 +354,14 @@ tryflag CFLAGS_C99FSE -fexcess-precision=standard \
 tryflag CFLAGS_C99FSE -frounding-math
 
 #
+# Semantically we want to insist that our sources follow the
+# C rules for type-based aliasing, but most if not all real-world
+# compilers are known or suspected to have critical bugs in their
+# type-based aliasing analysis. See for example GCC bug 107107.
+#
+tryflag CFLAGS_C99FSE -fno-strict-aliasing
+
+#
 # We may use the may_alias attribute if __GNUC__ is defined, so
 # if the compiler defines __GNUC__ but does not provide it,
 # it must be defined away as part of the CFLAGS.