X-Git-Url: https://sigrok.org/gitweb/?p=libserialport.git;a=blobdiff_plain;f=configure.ac;h=3e19f41493bddb604b014e687fea0bc3ee3aa345;hp=3c7af883504eea1067b295d19bcc357d0546aa76;hb=HEAD;hpb=e4bffe06c2fc62c9bbc681c4faf83d3a7ac7b880 diff --git a/configure.ac b/configure.ac index 3c7af88..a26b851 100644 --- a/configure.ac +++ b/configure.ac @@ -24,114 +24,158 @@ AC_PREREQ([2.63]) # 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], [sp_package_version_major.sp_package_version_minor]) +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://github.com/martinling/libserialport]) + [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="$CFLAGS -Wall -Wextra" - # Checks for programs. AC_PROG_CC -AC_PROG_CPP AC_PROG_INSTALL AC_PROG_LN_S -# Required for per-target flags or subdir-objects with C sources. -AM_PROG_CC_C_O +## SP_PROG_VERSION(program, sh-var) +## Obtain the version of and store it in . +AC_DEFUN([SP_PROG_VERSION], +[dnl +m4_assert([$# >= 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="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation" - AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])]) - ;; -esac - -AC_SUBST(SP_PKGLIBS) - -# Checks for header files. -# These are already checked: inttypes.h dlfcn.h memory.h stdint.h stdlib.h -# string.h strings.h sys/types.h sys/stat.h unistd.h -AC_CHECK_HEADERS([errno.h fcntl.h stddef.h sys/ioctl.h termios.h]) - -# Checks for typedefs, structures, and compiler characteristics. -AC_C_INLINE -AC_TYPE_SIZE_T -AC_TYPE_SSIZE_T +SP_LIB_VERSION_AGE=1 +AC_SUBST([SP_LIB_VERSION], + ["$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 "${host_os##freebsd*}"]) -SP_PACKAGE_VERSION_MAJOR=sp_package_version_major -SP_PACKAGE_VERSION_MINOR=sp_package_version_minor -SP_PACKAGE_VERSION=sp_package_version +AM_COND_IF([WIN32], [SP_LIBS='-lsetupapi'], [SP_LIBS=]) +AC_SUBST([SP_LIBS]) -AC_SUBST(SP_PACKAGE_VERSION_MAJOR) -AC_SUBST(SP_PACKAGE_VERSION_MINOR) -AC_SUBST(SP_PACKAGE_VERSION) +AM_COND_IF([FREEBSD], [SP_PKGLIBS='libusb-2.0'], [SP_PKGLIBS=]) +AC_SUBST([SP_PKGLIBS]) -AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc]) +AM_COND_IF([MACOSX], [AC_CHECK_HEADER([IOKit/IOKitLib.h], [], + [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])]) + +AS_CASE([$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 ]]) +AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed, + struct termios2.c_ispeed, struct termios2.c_ospeed],,, + [[#include ]]) + +# 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 ]]) + +# Check for serial_struct. +AC_CHECK_TYPES([struct serial_struct],,, [[#include ]]) + +# 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): $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