String_val: return 'const char *' when -safe-string is globally enabled (#1274)

1 files changed, 4 insertions, 0 deletions

diff --git a/configure b/configure
index b223285d66..640d44d033 100755
--- a/configure
+++ b/configure
@@ -2018,6 +2018,10 @@ if $with_fpic; then
   echo "#define CAML_WITH_FPIC" >> m.h
 fi
 
+if $safe_string; then
+  echo "#define CAML_SAFE_STRING" >> m.h
+fi
+
 # Finish generated files
 
 cclibs="$cclibs $mathlib"