[libpng15] Test for 'arm*' not just 'arm' in the host_cpu configure variable.
diff --git a/CHANGES b/CHANGES
index 1f656c0..dae78c5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4084,6 +4084,7 @@
Regenerated configure files.
Version 1.5.16beta03 [April 26, 2013]
+ Test for 'arm*' not just 'arm' in the host_cpu configure variable.
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diff --git a/configure.ac b/configure.ac
index 5463468..dde64cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -200,14 +200,16 @@
AC_MSG_ERROR([--enable-arm-neon=${enable_arm_neon}: invalid value])
esac])
-# If enable/disable was not specified default to using the optimizations if the
-# host CPU is ARM and the compiler is targeting a NEON host. The latter test
-# is done in scripts/pnglibconf.dfa by checking for __ARM_NEON__. The
-# AM_CONDITIONAL below controls whether the ARM NEON source files are built.
+# Add ARM specific files to all builds where the host_cpu is arm ('arm*') or
+# where ARM optimizations were explicitly requested (this allows a fallback if a
+# future host CPU does not match 'arm*')
AM_CONDITIONAL([PNG_ARM_NEON],
[test "$enable_arm_neon" != 'no' &&
- test "$host_cpu" = 'arm' -o "$enable_arm_neon" != ''])
+ case "$host_cpu" in
+ arm*) :;;
+ *) test "$enable_arm_neon" != '';;
+ esac])
AC_MSG_NOTICE([[Extra options for compiler: $PNG_COPTS]])
