X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=configure.ac;h=ffb6d848679b63e5beca8540d22df3ba4d3b65da;hp=ceb9ed9e9c42201c9404ca9e63e9abc3236edf7b;hb=1c9ac10f4b2c6e83184fe29bd32e090fcac211e7;hpb=6ff4cd08a0e6d29dd7587173defb8bf17c0d9b62

diff --git a/configure.ac b/configure.ac
index ceb9ed9..ffb6d84 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,7 +34,7 @@ AC_CONFIG_MACRO_DIR([autostuff])
 AC_CONFIG_AUX_DIR([autostuff])
 
 # We require at least automake 1.11 (needed for 'silent rules').
-AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign std-options])
+AM_INIT_AUTOMAKE([1.11 -Wall -Werror std-options check-news])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 
@@ -42,10 +42,11 @@ AH_TOP([#ifndef SRD_CONFIG_H
 #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
 AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_INSTALL
@@ -78,7 +79,7 @@ AC_SUBST(SRD_LIB_LDFLAGS)
 # 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.
@@ -100,7 +101,8 @@ case "$build" in
 	# 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)"