# libserialport package version number (NOT the same as shared lib version!).
m4_define([sp_package_version_major], [0])
m4_define([sp_package_version_minor], [1])
-m4_define([sp_package_version_micro], [0])
+m4_define([sp_package_version_micro], [1])
m4_define([sp_package_version], [sp_package_version_major.sp_package_version_minor.sp_package_version_micro])
AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li],
[libserialport], [http://sigrok.org/wiki/Libserialport])
+AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([autostuff])
AC_CONFIG_AUX_DIR([autostuff])
-AC_CANONICAL_TARGET
+AH_BOTTOM([#if HAVE_STRUCT_TERMIOS_C_ISPEED && HAVE_STRUCT_TERMIOS_C_OSPEED
+# define HAVE_TERMIOS_SPEED 1
+#endif
+#if HAVE_STRUCT_TERMIOS2_C_ISPEED && HAVE_STRUCT_TERMIOS2_C_OSPEED
+# define HAVE_TERMIOS2_SPEED 1
+#endif])
# We require at least automake 1.11 (needed for 'silent rules').
-AM_INIT_AUTOMAKE([1.11 -Wall -Werror])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define check-news])
+AM_SILENT_RULES([yes])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
-AH_TOP([#ifndef SP_CONFIG_H
-#define SP_CONFIG_H /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* SP_CONFIG_H */])
-
-# Enable more compiler warnings via -Wall and -Wextra.
-CFLAGS="$CFLAGS -Wall -Wextra"
-
# Checks for programs.
AC_PROG_CC
-AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
-# Required for per-target flags or subdir-objects with C sources.
-AM_PROG_CC_C_O
+## SP_PROG_VERSION(program, sh-var)
+## Obtain the version of <program> and store it in <sh-var>.
+AC_DEFUN([SP_PROG_VERSION],
+[dnl
+m4_assert([$# >= 2])[]dnl
+sp_prog_ver=`$1 --version 2>&AS_MESSAGE_LOG_FD | sed 1q 2>&AS_MESSAGE_LOG_FD`
+AS_CASE([[$]?:$sp_prog_ver],
+ [[0:*[0-9].[0-9]*]], [$2=$sp_prog_ver],
+ [$2=unknown])[]dnl
+])
+
+SP_PROG_VERSION([$CC], [sp_cc_version])
# Initialize libtool.
LT_INIT
-# Initialize pkg-config.
-# We require at least 0.22, as "Requires.private" behaviour changed there.
-PKG_PROG_PKG_CONFIG([0.22])
+AC_DEFINE([SP_PACKAGE_VERSION_MAJOR], [sp_package_version_major], [.])
+AC_DEFINE([SP_PACKAGE_VERSION_MINOR], [sp_package_version_minor], [.])
+AC_DEFINE([SP_PACKAGE_VERSION_MICRO], [sp_package_version_micro], [.])
+AC_DEFINE([SP_PACKAGE_VERSION_STRING], ["sp_package_version"], [.])
+AC_SUBST([SP_PACKAGE_VERSION], [sp_package_version])
# Library version for libserialport (NOT the same as the package version).
# Carefully read the libtool docs before updating these numbers!
# The algorithm for determining which number to change (and how) is nontrivial!
# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
-SP_LIB_VERSION_CURRENT=0
+SP_LIB_VERSION_CURRENT=1
SP_LIB_VERSION_REVISION=0
-SP_LIB_VERSION_AGE=0
-SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE"
-SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION"
-AC_SUBST(SP_LIB_VERSION_CURRENT)
-AC_SUBST(SP_LIB_VERSION_REVISION)
-AC_SUBST(SP_LIB_VERSION_AGE)
-AC_SUBST(SP_LIB_VERSION)
-AC_SUBST(SP_LIB_LDFLAGS)
-
-# Checks for libraries.
-
-# This variable collects the pkg-config names of all detected libs.
-# It is then used to construct the "Requires.private:" field in the
-# libserialport.pc file.
-SP_PKGLIBS=""
-
-case $target_os in
-*linux*)
- # On Linux libudev is currently a hard requirement.
- PKG_CHECK_MODULES([libudev], [libudev >= 0],
- [CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS";
- SP_PKGLIBS="$SP_PKGLIBS libudev"])
- ;;
-*darwin*)
- LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"
- AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
- ;;
-esac
-
-AC_SUBST(SP_PKGLIBS)
-
-# Checks for header files.
-# These are already checked: inttypes.h dlfcn.h memory.h stdint.h stdlib.h
-# string.h strings.h sys/types.h sys/stat.h unistd.h
-AC_CHECK_HEADERS([errno.h fcntl.h stddef.h sys/ioctl.h termios.h])
-
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_INLINE
-AC_TYPE_SIZE_T
-AC_TYPE_SSIZE_T
-AC_CHECK_TYPE([struct termios2],[AC_DEFINE(HAVE_TERMIOS2, 1)],[],[[#include <linux/termios.h>]])
-AC_CHECK_TYPE([struct termiox],[AC_DEFINE(HAVE_TERMIOX, 1)],[],[[#include <linux/termios.h>]])
+SP_LIB_VERSION_AGE=1
+AC_SUBST([SP_LIB_VERSION],
+ ["$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE"])
-# Checks for library functions.
-AC_CHECK_FUNCS([strerror])
+AC_DEFINE_UNQUOTED([SP_LIB_VERSION_CURRENT], [$SP_LIB_VERSION_CURRENT], [.])
+AC_DEFINE_UNQUOTED([SP_LIB_VERSION_REVISION], [$SP_LIB_VERSION_REVISION], [.])
+AC_DEFINE_UNQUOTED([SP_LIB_VERSION_AGE], [$SP_LIB_VERSION_AGE], [.])
+AC_DEFINE_UNQUOTED([SP_LIB_VERSION_STRING], ["$SP_LIB_VERSION"], [.])
-AC_SUBST(MAKEFLAGS, '--no-print-directory')
-AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
+AM_CONDITIONAL([LINUX], [test -z "${host_os##linux*}" || test -z "${host_os##uclinux*}"])
+AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}"])
+AM_CONDITIONAL([MACOSX], [test -z "${host_os##darwin*}"])
+AM_CONDITIONAL([FREEBSD], [test -z "${host_os##freebsd*}"])
-SP_PACKAGE_VERSION_MAJOR=sp_package_version_major
-SP_PACKAGE_VERSION_MINOR=sp_package_version_minor
-SP_PACKAGE_VERSION_MICRO=sp_package_version_micro
-SP_PACKAGE_VERSION=sp_package_version
+AM_COND_IF([WIN32], [SP_LIBS='-lsetupapi'], [SP_LIBS=])
+AC_SUBST([SP_LIBS])
-AC_SUBST(SP_PACKAGE_VERSION_MAJOR)
-AC_SUBST(SP_PACKAGE_VERSION_MINOR)
-AC_SUBST(SP_PACKAGE_VERSION_MICRO)
-AC_SUBST(SP_PACKAGE_VERSION)
+AM_COND_IF([FREEBSD], [SP_PKGLIBS='libusb-2.0'], [SP_PKGLIBS=])
+AC_SUBST([SP_PKGLIBS])
-AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc])
+AM_COND_IF([MACOSX], [AC_CHECK_HEADER([IOKit/IOKitLib.h], [],
+ [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])])
+
+AS_CASE([$host_os], [linux*|darwin*|mingw*|freebsd*],, [
+ AC_DEFINE([NO_ENUMERATION], [1], [Enumeration is unsupported.])
+ AC_DEFINE([NO_PORT_METADATA], [1], [Port metadata is unavailable.])
+])
+
+AC_SYS_LARGEFILE
+
+# Define size_t if not defined as standard.
+AC_TYPE_SIZE_T
+
+# Check for specific termios structures.
+AC_CHECK_TYPES([struct termios2],,,
+ [[#include <linux/termios.h>]])
+AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed,
+ struct termios2.c_ispeed, struct termios2.c_ospeed],,,
+ [[#include <linux/termios.h>]])
+
+# Check for the BOTHER definition, needed for setting arbitrary baud rates.
+# We can't just #ifdef BOTHER in the code, because of the separation between
+# code using libc headers and code using kernel termios.h headers.
+AC_CHECK_DECLS([BOTHER],,, [[#include <linux/termios.h>]])
+
+# Check for serial_struct.
+AC_CHECK_TYPES([struct serial_struct],,, [[#include <linux/serial.h>]])
+
+# Check for realpath().
+AC_CHECK_FUNC([realpath], [AC_DEFINE(HAVE_REALPATH, 1, [realpath is available.])], [])
+
+# Check for flock().
+AC_CHECK_HEADER([sys/file.h], [AC_DEFINE(HAVE_SYS_FILE_H, 1, [sys/file.h is available.])], [])
+AC_CHECK_FUNC([flock], [AC_DEFINE(HAVE_FLOCK, 1, [flock is available.])], [])
+
+# Check for clock_gettime().
+AC_CHECK_FUNC([clock_gettime],
+ [AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [clock_gettime is available.])], [])
+
+AC_CACHE_CHECK([for visibility control], [sp_cv_visibility_control], [
+ sp_saved_CFLAGS=$CFLAGS
+ CFLAGS="$CFLAGS -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+ [[__attribute__((visibility("hidden"))) void foo(void) {}]])],
+ [sp_cv_visibility_control=attribute],
+ [AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+ [[__declspec(dllexport) void foo(void) {}]])],
+ [sp_cv_visibility_control=declspec],
+ [sp_cv_visibility_control=none])])
+ CFLAGS=$sp_saved_CFLAGS
+])
+AS_CASE([$sp_cv_visibility_control],
+ [attribute], [SP_API='__attribute__((visibility("default")))'
+ SP_PRIV='__attribute__((visibility("hidden")))'],
+ [declspec], [SP_API='__declspec(dllexport)' SP_PRIV=],
+ [SP_API= SP_PRIV=])
+AC_DEFINE_UNQUOTED([SP_API], [$SP_API], [Macro preceding public API functions])
+AC_DEFINE_UNQUOTED([SP_PRIV], [$SP_PRIV], [Macro preceding private functions])
+
+AC_CONFIG_FILES([Makefile libserialport.pc])
AC_OUTPUT
-echo
-echo "libserialport configuration summary:"
-echo
-echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION"
-echo " - Library version (current:revision:age): $SP_LIB_VERSION"
-echo " - Prefix: $prefix"
-echo " - Building on: $build"
-echo " - Building for: $host"
-echo
+cat >&AS_MESSAGE_FD <<_EOF
+
+libserialport configuration summary:
+
+ - Package version................. $SP_PACKAGE_VERSION
+ - Library ABI version............. $SP_LIB_VERSION
+ - Prefix.......................... $prefix
+ - Building on..................... $build
+ - Building for.................... $host
+ - Building shared / static........ $enable_shared / $enable_static
+
+Compile configuration:
+ - C compiler...................... $CC
+ - C compiler version.............. $sp_cc_version
+ - C compiler flags................ $CFLAGS
+ - Linker flags.................... $LDFLAGS
+
+_EOF
projects / libserialport.git / blobdiff