# We require at least automake 1.11 (needed for 'silent rules').
AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define nostdinc subdir-objects check-news color-tests])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+AM_SILENT_RULES([yes])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
-AH_TOP([#ifndef SR_CONFIG_H
-#define SR_CONFIG_H /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* SR_CONFIG_H */])
+AC_CANONICAL_HOST
# Checks for programs.
AC_PROG_CC
-AC_PROG_CPP
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_LN_S
# Required for per-target flags or subdir-objects with C sources.
AM_PROG_CC_C_O
+# Set the standard the C library headers should conform to.
+AH_VERBATIM([_POSIX_C_SOURCE], [/* The targeted POSIX standard. */
+#ifndef _POSIX_C_SOURCE
+# define _POSIX_C_SOURCE 200112L
+#endif])
+
+# Get compiler versions.
+SR_PROG_VERSION([$CC], [sr_cc_version])
+SR_PROG_VERSION([$CXX], [sr_cxx_version])
+
+# Check for optional make features.
+SR_PROG_MAKE_ORDER_ONLY
+
# Initialize libtool.
LT_INIT
## Optional dependencies ##
#############################
+AC_LANG([C])
+
# Initialize pkg-config.
# We require at least 0.22, as "Requires.private" behaviour changed there.
PKG_PROG_PKG_CONFIG([0.22])
# These are used to derive the compiler flags and for the "Requires.private"
# field in the generated libsigrok.pc file.
SR_VAR_OPT_PKG([SR_PKGLIBS], [sr_deps_avail])
-SR_PKGLIBS_CHECK=
+SR_PKGLIBS_TESTS=
SR_PKGLIBS_CXX=
SR_PKGLIBS_PYTHON=
+SR_EXTRA_LIBS=
SR_ARG_OPT_PKG([libserialport], [LIBSERIALPORT], [NEED_SERIAL],
[libserialport >= 0.1.1])
# FreeBSD comes with an "integrated" libusb-1.0-style USB API.
# This means libusb-1.0 is always available; no need to check for it.
-AS_CASE([$host], [*freebsd*], [sr_have_libusb=yes])
+# On Windows, require the latest version we can get our hands on,
+# until the new generic event handling has seen an official release.
+AS_CASE([$host_os],
+ [freebsd*], [sr_libusb_req='libusb-1.0' sr_have_libusb=yes],
+ [mingw*], [sr_libusb_req='libusb-1.0 >= 1.0.20'],
+ [sr_libusb_req='libusb-1.0 >= 1.0.16'])
SR_ARG_OPT_PKG([libusb], [LIBUSB_1_0], [NEED_USB],
- [libusb-1.0 >= 1.0.16])
+ [$sr_libusb_req])
SR_ARG_OPT_PKG([librevisa], [LIBREVISA], [NEED_VISA],
[librevisa >= 0.0.20130412])
SR_ARG_OPT_PKG([libgpib], [LIBGPIB], [NEED_GPIB],
[libgpib])
+SR_ARG_OPT_CHECK([libieee1284], [LIBIEEE1284],, [
+ sr_save_LIBS=$LIBS
+ LIBS="-lieee1284 $LIBS"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <ieee1284.h>]],
+ [[(void) ieee1284_open(0, 0, 0);]])],
+ [sr_have_libieee1284=yes], [sr_have_libieee1284=no])
+ LIBS=$sr_save_LIBS
+])
+AS_IF([test "x$sr_have_libieee1284" = xyes],
+ [SR_PREPEND([SR_EXTRA_LIBS], [-lieee1284])])
+
######################
## Feature checks ##
######################
# The Check unit testing framework is optional. Disable if not found.
-SR_PKG_CHECK([check], [SR_PKGLIBS_CHECK], [check >= 0.9.4])
+SR_PKG_CHECK([check], [SR_PKGLIBS_TESTS], [check >= 0.9.4])
AM_CONDITIONAL([HAVE_CHECK], [test "x$sr_have_check" = xyes])
-AC_LANG([C])
-
-# Enable the C11 standard if possible, and enforce the use
+# Enable the C99 standard if possible, and enforce the use
# of SR_API to explicitly mark all public API functions.
SR_EXTRA_CFLAGS=
-SR_CHECK_COMPILE_FLAGS([SR_EXTRA_CFLAGS], [C11], [-std=gnu11 -std=c11])
+SR_CHECK_COMPILE_FLAGS([SR_EXTRA_CFLAGS], [C99], [-std=c99 -c99 -AC99 -qlanglvl=extc99])
SR_CHECK_COMPILE_FLAGS([SR_EXTRA_CFLAGS], [visibility], [-fvisibility=hidden])
SR_ARG_ENABLE_WARNINGS([SR_WFLAGS], [-Wall], [-Wall -Wextra -Wmissing-prototypes])
# Check host characteristics.
+AC_SYS_LARGEFILE
AC_C_BIGENDIAN
AC_CHECK_HEADERS([sys/mman.h], [SR_APPEND([sr_deps_avail], [sys_mman_h])])
AC_CHECK_HEADERS([sys/timerfd.h], [SR_APPEND([sr_deps_avail], [sys_timerfd_h])])
# We need to link against the Winsock2 library for SCPI over TCP.
-AS_CASE([$host], [*-mingw*], [SR_EXTRA_LIBS='-lws2_32'], [SR_EXTRA_LIBS=])
+AS_CASE([$host_os], [mingw*], [SR_PREPEND([SR_EXTRA_LIBS], [-lws2_32])])
# libm (the standard math library) is always needed.
SR_SEARCH_LIBS([SR_EXTRA_LIBS], [pow], [m])
SR_DRIVER([GMC MH 1x/2x], [gmc-mh-1x-2x], [libserialport])
SR_DRIVER([Hameg HMO], [hameg-hmo], [libserialport])
SR_DRIVER([Hantek DSO], [hantek-dso], [libusb])
+SR_DRIVER([Hung-Chang DSO-2100], [hung-chang-dso-2100], [libieee1284])
SR_DRIVER([Ikalogic Scanalogic-2], [ikalogic-scanalogic2], [libusb])
SR_DRIVER([Ikalogic Scanaplus], [ikalogic-scanaplus], [libftdi])
SR_DRIVER([Kecheng KC-330B], [kecheng-kc-330b], [libusb])
+SR_DRIVER([KERN scale], [kern-scale], [libserialport])
SR_DRIVER([Lascar EL-USB], [lascar-el-usb], [libusb])
SR_DRIVER([Manson HCS-3xxx], [manson-hcs-3xxx], [libserialport])
SR_DRIVER([maynuo-m97], [maynuo-m97])
sr_cxx_missing=
# Check if the C++ compiler supports the C++11 standard.
-AX_CXX_COMPILE_STDCXX_11(, [optional])
+AX_CXX_COMPILE_STDCXX_11([noext], [optional])
AS_IF([test "x$HAVE_CXX11" != x1],
[SR_APPEND([sr_cxx_missing], [', '], ['C++11'])])
# Retrieve the compile and link flags for all modules combined.
# Also, bail out at this point if any module dependency is not met.
PKG_CHECK_MODULES([LIBSIGROK], [glib-2.0 >= 2.32.0 $SR_PKGLIBS])
-PKG_CHECK_MODULES([CHECK], [$SR_PKGLIBS_CHECK glib-2.0 $SR_PKGLIBS])
+PKG_CHECK_MODULES([TESTS], [$SR_PKGLIBS_TESTS glib-2.0 $SR_PKGLIBS])
# SR_PKGLIBS_CXX may be empty, so only invoke these checks when
# the C++ bindings are enabled.
PKG_CHECK_MODULES([LIBSIGROKCXX], [$SR_PKGLIBS_CXX])
PKG_CHECK_MODULES([PYSIGROK], [$SR_PKGLIBS_PYTHON $SR_PKGLIBS_CXX])
])
+
+# Check for specific libusb features, now that we know the CFLAGS.
+AC_LANG([C])
+sr_save_cflags=$CFLAGS
+CFLAGS="$LIBSIGROK_CFLAGS $CFLAGS"
+AC_CHECK_TYPES([libusb_os_handle],
+ [sr_have_libusb_os_handle=yes], [sr_have_libusb_os_handle=no],
+ [[#include <libusb.h>]])
+CFLAGS=$sr_save_cflags
+AM_COND_IF([NEED_USB], [AS_CASE([$sr_have_libusb_os_handle:$host_os], [no:mingw*],
+ [AC_MSG_ERROR([Windows builds require the event-abstraction branch of libusb])])])
+
sr_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
sr_libzip_version=`$PKG_CONFIG --modversion libzip 2>&AS_MESSAGE_LOG_FD`
- Prefix.......................... $prefix
- Building on..................... $build
- Building for.................... $host
+
+Compile configuration:
+ - C compiler...................... $CC
+ - C compiler version.............. $sr_cc_version
+ - C compiler flags................ $CFLAGS
- Additional C compiler flags..... $SR_EXTRA_CFLAGS
- C compiler warnings............. $SR_WFLAGS
+ - C++ compiler.................... $CXX
+ - C++ compiler version............ $sr_cxx_version
+ - C++ compiler flags.............. $CXXFLAGS
- C++ compiler warnings........... $SR_WXXFLAGS
Detected libraries (required):
projects / libsigrok.git / blobdiff