X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=configure.ac;h=afa88f60d26f01f254476454fe62ad6d47103730;hb=1a081ca67d63a0bd933a3d715792d85afd437296;hp=be5137b54d77e9addb8cab97b77615a984b3c8cb;hpb=0146970797e809555b2feea9fdbc3933f9e24e8b;p=libsigrok.git

diff --git a/configure.ac b/configure.ac
index be5137b5..afa88f60 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,9 @@ AH_TOP([#ifndef LIBSIGROK_CONFIG_H
 #define LIBSIGROK_CONFIG_H    /* To stop multiple inclusions. */])
 AH_BOTTOM([#endif /* LIBSIGROK_CONFIG_H */])
 
-CFLAGS="-g -Wall -Wextra"
+# Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
+# and enforce use of SR_API to explicitly mark all public API functions.
+CFLAGS="-g -Wall -Wextra -fvisibility=hidden"
 
 # Checks for programs.
 AC_PROG_CXX