sr: Mark API functions with SR_API/SR_PRIV.

[libsigrok.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7c1ee441acd40823528c5afeafcf444064b75203..afa88f60d26f01f254476454fe62ad6d47103730 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,8 @@
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ##
 
-AC_PREREQ(2.61)
+# We require at least autoconf 2.63 (AC_INIT format changed there).
+AC_PREREQ([2.63])
 
 # libsigrok package version number (NOT the same as shared lib version!).
 m4_define([libsigrok_major_version], [0])
@@ -31,14 +32,17 @@ AC_CONFIG_HEADER([config.h])
 AC_CONFIG_MACRO_DIR([autostuff])
 AC_CONFIG_AUX_DIR([autostuff])
 
-AM_INIT_AUTOMAKE([-Wall -Werror foreign std-options])
+# We require at least automake 1.11 (needed for 'silent rules').
+AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign std-options])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 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
@@ -282,13 +286,35 @@ AC_CONFIG_FILES([Makefile
 AC_OUTPUT
 
 echo
-echo "Building drivers:"
+echo "libsigrok configuration summary:"
 echo
-echo "ASIX SIGMA...................... " $LA_ASIX_SIGMA
-echo "ChronoVu LA8.................... " $LA_CHRONOVU_LA8
-echo "Link MSO-19..................... " $LA_LINK_MSO19
-echo "Openbench Logic Sniffer......... " $LA_OLS
-echo "Saleae Logic.................... " $LA_SALEAE_LOGIC
-echo "Zeroplus Logic Cube............. " $LA_ZEROPLUS_LOGIC_CUBE
+echo "  - Package version (major.minor.micro):    $LIBSIGROK_VERSION"
+echo "  - Library version (current:revision:age): $LIBSIGROK_LT_VERSION"
+echo "  - Prefix: $prefix"
+echo
+echo "Detected libraries:"
+echo
+
+# Note: This only works for libs with pkg-config integration.
+for lib in "glib-2.0" "gthread-2.0" "libusb-1.0" "libzip" "zlib" "libftdi" "libudev" "alsa"; do
+       if `$PKG_CONFIG --exists $lib`; then
+               ver=`$PKG_CONFIG --modversion $lib`
+               answer="yes ($ver)"
+       else
+               answer="no"
+       fi
+       echo "  - $lib: $answer"
+done
+
+echo
+echo "Enabled hardware drivers:"
+echo
+echo "  - ASIX SIGMA...................... $LA_ASIX_SIGMA"
+echo "  - ChronoVu LA8.................... $LA_CHRONOVU_LA8"
+echo "  - Demo driver..................... $LA_DEMO"
+echo "  - Link MSO-19..................... $LA_LINK_MSO19"
+echo "  - Openbench Logic Sniffer......... $LA_OLS"
+echo "  - Saleae Logic.................... $LA_SALEAE_LOGIC"
+echo "  - Zeroplus Logic Cube............. $LA_ZEROPLUS_LOGIC_CUBE"
 echo