configure.ac
3.51 KB
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# libmodbus package version number, (as distinct from shared library version)
# An odd micro number indicates in-progress development from Git
# An even micro number indicates a released version
#
# Making a point release:
# - increase libmodbus_version_micro to the next even number
#
# After the release:
# - increase libmodbus_version_minor to the next odd number
#
# Take care to update the libtool versioning when required (LIBMODBUS_LD_*).
# http://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
#
m4_define([libmodbus_version_major], [2])
m4_define([libmodbus_version_minor], [9])
m4_define([libmodbus_version_micro], [3])
m4_define([libmodbus_release_status],
[m4_if(m4_eval(libmodbus_version_minor % 2), [1], [snapshot],
[release])])
m4_define([libmodbus_version],
[libmodbus_version_major.libmodbus_version_minor.libmodbus_version_micro])
AC_PREREQ([2.63])
AC_INIT([libmodbus],[libmodbus_version],
[https://github.com/stephane/libmodbus/issues])
AC_CONFIG_SRCDIR([src/modbus.c])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([foreign])
# enable nice build output on automake1.11
m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
LIBMODBUS_VERSION_MAJOR=libmodbus_version_major
LIBMODBUS_VERSION_MINOR=libmodbus_version_minor
LIBMODBUS_VERSION_MICRO=libmodbus_version_micro
LIBMODBUS_VERSION=libmodbus_version
AC_SUBST(LIBMODBUS_VERSION_MAJOR)
AC_SUBST(LIBMODBUS_VERSION_MINOR)
AC_SUBST(LIBMODBUS_VERSION_MICRO)
AC_SUBST(LIBMODBUS_VERSION)
# ABI version
LIBMODBUS_LD_CURRENT=4
LIBMODBUS_LD_REVISION=0
LIBMODBUS_LD_AGE=0
LIBMODBUS_LT_VERSION_INFO=$LIBMODBUS_LD_CURRENT:$LIBMODBUS_LD_REVISION:$LIBMODBUS_LD_AGE
AC_SUBST(LIBMODBUS_LT_VERSION_INFO)
AC_CANONICAL_HOST
# Check whether we are building for Win32
os_win32="false"
case "${host_os}" in
*mingw32*)
os_win32="true"
;;
esac
AM_CONDITIONAL(OS_WIN32, test "$os_win32" = "true")
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_MAKE_SET
LT_INIT([disable-static win32-dll])
AC_CHECK_HEADERS([ \
termios.h \
sys/time.h \
unistd.h \
errno.h \
limits.h \
fcntl.h \
sys/types.h \
sys/socket.h \
sys/ioctl.h \
netinet/in.h \
netinet/tcp.h \
arpa/inet.h \
netdb.h \
linux/serial.h \
])
# Check whether to build docs / install man pages
AC_LIBMODBUS_CHECK_DOC_BUILD
# Checks for header files.
AC_HEADER_STDC
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
# AC_TYPE_UINT*_T: not supported by autoconf-2.59 of CentOS 5.3
# AC_TYPE_UINT16_T
# AC_TYPE_UINT32_T
# AC_TYPE_UINT8_T
# Cygwin defines IPTOS_LOWDELAY but can't handle that flag so it's necessary to
# workaround that problem and Cygwin doesn't define MSG_DONTWAIT.
AC_CHECK_DECLS([__CYGWIN__])
# Checks for library functions.
AC_FUNC_FORK
AC_CHECK_FUNCS([gettimeofday inet_ntoa memset select socket strerror strlcpy getaddrinfo])
# Add -Wall -Werror for GCC if not already there
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in
*[[\ \ ]]-Wall[[\ \ ]]*) ;;
*) CFLAGS="$CFLAGS -Wall" ;;
esac
fi
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in
*[[\ \ ]]-Werror[[\ \ ]]*) ;;
*) CFLAGS="$CFLAGS -Werror" ;;
esac
fi
# Required for getaddrinfo (TCP PI - IPv6)
AC_CHECK_HEADERS([winsock2.h], HAVE_WINSOCK2_H=yes)
if test "x$HAVE_WINSOCK2_H" = "xyes"; then
LIBS="$LIBS -lws2_32"
AC_SUBST(LIBS)
fi
AC_CONFIG_FILES([
Makefile
src/Makefile
src/modbus-version.h
doc/Makefile
tests/Makefile
libmodbus.pc
])
AC_OUTPUT