#define SRD_CONFIG_H /* To stop multiple inclusions. */])
AH_BOTTOM([#endif /* SRD_CONFIG_H */])
-CFLAGS="$CFLAGS -Wall -Wextra"
+# Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
+# and enforce use of SRD_API to explicitly mark all public API functions.
+CFLAGS="$CFLAGS -Wall -Wextra -fvisibility=hidden"
# Checks for programs.
AC_PROG_CXX
# libglib-2.0 is always needed.
# Note: glib-2.0 is part of the libsigrokdecode API
# (hard pkg-config requirement).
-AM_PATH_GLIB_2_0([2.28.0],
+AM_PATH_GLIB_2_0([2.24.0],
[CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
# Python support. We require at least Python >= 3.0.
# On Darwin, Macports has python3.x-config, fink has python3-config.
# Mac OS X (Snow Leopard) ships with 'python-config' per default, but
# that's Python 2.x, so not useful for us.
- # Everything else is untested, we just hope 'PYTHON3_CONFIG' works.
+ # Everything else is untested, we just hope some $PYTHON3_CONFIG
+ # (i.e., any of the tools we check for above) is available.
if test -n "$PYTHON3_CONFIG"; then
CPPFLAGS_PYTHON="$($PYTHON3_CONFIG --includes)"
LDFLAGS_PYTHON="$($PYTHON3_CONFIG --ldflags)"