| # SPDX-License-Identifier: GPL-2.0-or-later |
| # SPDX-FileCopyrightText: 2017-2022 Bartosz Golaszewski <brgl@bgdev.pl> |
| |
| AC_PREREQ([2.69]) |
| |
| AC_INIT([libgpiod], [2.1]) |
| AC_SUBST(EXTRA_VERSION, [-devel]) |
| |
| AC_DEFINE_UNQUOTED([GPIOD_VERSION_STR], |
| ["$PACKAGE_VERSION$EXTRA_VERSION"], |
| [Full library version string.]) |
| AC_SUBST(VERSION_STR, [$PACKAGE_VERSION$EXTRA_VERSION]) |
| |
| # From the libtool manual: |
| # |
| # (...) |
| # 3. If the library source code has changed at all since the last update, then |
| # increment revision ('c:r:a' becomes 'c:r+1:a'). |
| # 4. If any interfaces have been added, removed, or changed since the last |
| # update, increment current, and set revision to 0. |
| # 5. If any interfaces have been added since the last public release, then |
| # increment age. |
| # 6. If any interfaces have been removed or changed since the last public |
| # release, then set age to 0. |
| # |
| # Define the libtool version as (C.R.A): |
| # NOTE: this version only applies to the core C library. |
| AC_SUBST(ABI_VERSION, [3.0.0]) |
| # Have a separate ABI version for C++ bindings: |
| AC_SUBST(ABI_CXX_VERSION, [2.0.0]) |
| # ABI version for libgpiosim (we need this since it can be installed if we |
| # enable tests). |
| AC_SUBST(ABI_GPIOSIM_VERSION, [1.0.0]) |
| |
| AC_CONFIG_AUX_DIR([autostuff]) |
| AC_CONFIG_MACRO_DIRS([m4]) |
| AM_INIT_AUTOMAKE([foreign subdir-objects]) |
| |
| m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) |
| m4_pattern_forbid([^AX_], |
| [Unexpanded AX_ macro found. Please install GNU autoconf-archive.]) |
| |
| AC_CONFIG_SRCDIR([lib]) |
| AC_CONFIG_HEADERS([config.h]) |
| |
| AC_DEFINE([_GNU_SOURCE], [], [We want GNU extensions]) |
| |
| # Silence warning: ar: 'u' modifier ignored since 'D' is the default |
| AC_SUBST(AR_FLAGS, [cr]) |
| |
| AM_PROG_AR |
| AC_PROG_CC |
| AC_PROG_CXX |
| AC_PROG_INSTALL |
| AC_PROG_EGREP |
| |
| LT_INIT |
| |
| AC_DEFUN([ERR_NOT_FOUND], |
| [AC_MSG_ERROR([$1 not found (needed to build $2)], [1])]) |
| |
| AC_DEFUN([FUNC_NOT_FOUND_LIB], |
| [ERR_NOT_FOUND([$1()], [the library])]) |
| |
| AC_DEFUN([HEADER_NOT_FOUND_LIB], |
| [ERR_NOT_FOUND([$1 header], [the library])]) |
| |
| AC_DEFUN([HEADER_NOT_FOUND_TESTS], |
| [ERR_NOT_FOUND([$1 header], [the test suite])]) |
| |
| AC_DEFUN([HEADER_NOT_FOUND_CXX], |
| [ERR_NOT_FOUND([$1 header], [C++ bindings])]) |
| |
| # This is always checked (library needs this) |
| AC_HEADER_STDC |
| AC_FUNC_MALLOC |
| AC_HEADER_STDBOOL |
| AC_CHECK_FUNC([ioctl], [], [FUNC_NOT_FOUND_LIB([ioctl])]) |
| AC_CHECK_FUNC([open], [], [FUNC_NOT_FOUND_LIB([open])]) |
| AC_CHECK_FUNC([close], [], [FUNC_NOT_FOUND_LIB([close])]) |
| AC_CHECK_FUNC([read], [], [FUNC_NOT_FOUND_LIB([read])]) |
| AC_CHECK_FUNC([ppoll], [], [FUNC_NOT_FOUND_LIB([ppoll])]) |
| AC_CHECK_FUNC([realpath], [], [FUNC_NOT_FOUND_LIB([realpath])]) |
| AC_CHECK_FUNC([readlink], [], [FUNC_NOT_FOUND_LIB([readlink])]) |
| AC_CHECK_HEADERS([fcntl.h], [], [HEADER_NOT_FOUND_LIB([fcntl.h])]) |
| AC_CHECK_HEADERS([getopt.h], [], [HEADER_NOT_FOUND_LIB([getopt.h])]) |
| AC_CHECK_HEADERS([dirent.h], [], [HEADER_NOT_FOUND_LIB([dirent.h])]) |
| AC_CHECK_HEADERS([poll.h], [], [HEADER_NOT_FOUND_LIB([poll.h])]) |
| AC_CHECK_HEADERS([sys/sysmacros.h], [], [HEADER_NOT_FOUND_LIB([sys/sysmacros.h])]) |
| AC_CHECK_HEADERS([sys/ioctl.h], [], [HEADER_NOT_FOUND_LIB([sys/ioctl.h])]) |
| AC_CHECK_HEADERS([sys/param.h], [], [HEADER_NOT_FOUND_LIB([sys/param.h])]) |
| AC_CHECK_HEADERS([sys/stat.h], [], [HEADER_NOT_FOUND_LIB([sys/stat.h])]) |
| AC_CHECK_HEADERS([sys/types.h], [], [HEADER_NOT_FOUND_LIB([sys/types.h])]) |
| AC_CHECK_HEADERS([linux/const.h], [], [HEADER_NOT_FOUND_LIB([linux/const.h])]) |
| AC_CHECK_HEADERS([linux/ioctl.h], [], [HEADER_NOT_FOUND_LIB([linux/ioctl.h])]) |
| AC_CHECK_HEADERS([linux/types.h], [], [HEADER_NOT_FOUND_LIB([linux/types.h])]) |
| |
| AC_ARG_ENABLE([tools], |
| [AS_HELP_STRING([--enable-tools],[enable libgpiod command-line tools [default=no]])], |
| [if test "x$enableval" = xyes; then with_tools=true; fi], |
| [with_tools=false]) |
| AM_CONDITIONAL([WITH_TOOLS], [test "x$with_tools" = xtrue]) |
| |
| AC_DEFUN([FUNC_NOT_FOUND_TOOLS], |
| [ERR_NOT_FOUND([$1()], [tools])]) |
| |
| AC_ARG_ENABLE([gpioset-interactive], |
| [AS_HELP_STRING([--enable-gpioset-interactive], |
| [enable gpioset interactive mode [default=no]])], |
| [if test "x$enableval" = xyes; then with_gpioset_interactive=true; fi], |
| [with_gpioset_interactive=false]) |
| AM_CONDITIONAL([WITH_GPIOSET_INTERACTIVE], |
| [test "x$with_gpioset_interactive" = xtrue]) |
| |
| # FIXME Figure out why this AS_IF() cannot be dropped without causing the other |
| # PKG_CHECK_MODULES() expansions fail to execute pkg-config. |
| AS_IF([test "x$with_tools" = xtrue], |
| [# These are only needed to build tools |
| AC_CHECK_FUNC([daemon], [], [FUNC_NOT_FOUND_TOOLS([daemon])]) |
| AC_CHECK_FUNC([asprintf], [], [FUNC_NOT_FOUND_LIB([asprintf])]) |
| AC_CHECK_FUNC([scandir], [], [FUNC_NOT_FOUND_LIB([scandir])]) |
| AC_CHECK_FUNC([versionsort], [], [FUNC_NOT_FOUND_LIB([versionsort])]) |
| AS_IF([test "x$with_gpioset_interactive" = xtrue], |
| [PKG_CHECK_MODULES([LIBEDIT], [libedit >= 3.1])]) |
| ]) |
| |
| AC_ARG_ENABLE([tests], |
| [AS_HELP_STRING([--enable-tests],[enable libgpiod tests [default=no]])], |
| [if test "x$enableval" = xyes; then with_tests=true; fi], |
| [with_tests=false]) |
| AM_CONDITIONAL([WITH_TESTS], [test "x$with_tests" = xtrue]) |
| |
| AC_ARG_ENABLE([profiling], |
| [AS_HELP_STRING([--enable-profiling], |
| [enable gcov profiling on the core library and tests [default=no]])], |
| [if test "x$enableval" = xyes; then with_profiling=true; fi], |
| [with_profiling=false]) |
| if test "x$with_profiling" = xtrue |
| then |
| AC_SUBST(PROFILING_CFLAGS, ["-fprofile-arcs -ftest-coverage"]) |
| AC_SUBST(PROFILING_LDFLAGS, ["-lgcov"]) |
| fi |
| |
| AC_DEFUN([FUNC_NOT_FOUND_TESTS], |
| [ERR_NOT_FOUND([$1()], [tests])]) |
| |
| if test "x$with_tests" = xtrue |
| then |
| # For libgpiosim |
| PKG_CHECK_MODULES([KMOD], [libkmod >= 18]) |
| PKG_CHECK_MODULES([MOUNT], [mount >= 2.33.1]) |
| |
| # For core library tests |
| PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.50]) |
| PKG_CHECK_MODULES([GIO], [gio-2.0 >= 2.50]) |
| |
| AC_CHECK_FUNC([atexit], [], [FUNC_NOT_FOUND_LIB([atexit])]) |
| AC_CHECK_FUNC([asprintf], [], [FUNC_NOT_FOUND_LIB([asprintf])]) |
| AC_CHECK_FUNC([prctl], [], [FUNC_NOT_FOUND_LIB([prctl])]) |
| AC_CHECK_FUNC([unlink], [], [FUNC_NOT_FOUND_LIB([unlink])]) |
| AC_CHECK_FUNC([unlinkat], [], [FUNC_NOT_FOUND_LIB([unlinkat])]) |
| AC_CHECK_FUNC([openat], [], [FUNC_NOT_FOUND_LIB([openat])]) |
| AC_CHECK_FUNC([mkdirat], [], [FUNC_NOT_FOUND_LIB([mkdirat])]) |
| AC_CHECK_FUNC([write], [], [FUNC_NOT_FOUND_LIB([write])]) |
| AC_CHECK_FUNC([twalk], [], [FUNC_NOT_FOUND_LIB([twalk])]) |
| AC_CHECK_FUNC([tsearch], [], [FUNC_NOT_FOUND_LIB([tsearch])]) |
| AC_CHECK_FUNC([tdestroy], [], [FUNC_NOT_FOUND_LIB([tdestroy])]) |
| AC_CHECK_FUNC([tdelete], [], [FUNC_NOT_FOUND_LIB([tdelete])]) |
| AC_CHECK_HEADERS([sys/utsname.h], [], [HEADER_NOT_FOUND_LIB([sys/utsname.h])]) |
| AC_CHECK_HEADERS([sys/mount.h], [], [HEADER_NOT_FOUND_LIB([sys/mount.h])]) |
| AC_CHECK_HEADERS([sys/prctl.h], [], [HEADER_NOT_FOUND_LIB([sys/prctl.h])]) |
| AC_CHECK_HEADERS([sys/random.h], [], [HEADER_NOT_FOUND_LIB([sys/random.h])]) |
| AC_CHECK_HEADERS([linux/version.h], [], [HEADER_NOT_FOUND_LIB([linux/version.h])]) |
| AC_CHECK_HEADERS([pthread.h], [], [HEADER_NOT_FOUND_LIB([pthread.h])]) |
| AC_CHECK_LIB(pthread, pthread_mutex_lock, [], ERR_NOT_FOUND([pthread library], [tests])) |
| |
| if test "x$with_tools" = xtrue |
| then |
| AC_CHECK_PROG([has_bats], [bats], [true], [false]) |
| if test "x$has_bats" = "xfalse" |
| then |
| AC_MSG_NOTICE([bats not found - gpio-tools tests cannot be run]) |
| fi |
| fi |
| fi |
| |
| AC_ARG_ENABLE([examples], |
| [AS_HELP_STRING([--enable-examples], [enable building code examples[default=no]])], |
| [if test "x$enableval" = xyes; then with_examples=true; fi], |
| [with_examples=false]) |
| AM_CONDITIONAL([WITH_EXAMPLES], [test "x$with_examples" = xtrue]) |
| |
| AC_ARG_ENABLE([bindings-cxx], |
| [AS_HELP_STRING([--enable-bindings-cxx],[enable C++ bindings [default=no]])], |
| [if test "x$enableval" = xyes; then with_bindings_cxx=true; fi], |
| [with_bindings_cxx=false]) |
| AM_CONDITIONAL([WITH_BINDINGS_CXX], [test "x$with_bindings_cxx" = xtrue]) |
| |
| if test "x$with_bindings_cxx" = xtrue |
| then |
| LT_LANG([C++]) |
| # This needs autoconf-archive |
| AX_CXX_COMPILE_STDCXX_17([ext], [mandatory]) |
| |
| if test "x$with_tests" = xtrue |
| then |
| PKG_CHECK_MODULES([CATCH2], [catch2],, [ |
| AC_LANG_PUSH([C++]) |
| AC_CHECK_HEADERS([catch2/catch.hpp], [], [HEADER_NOT_FOUND_CXX([catch2/catch.hpp])]) |
| AC_LANG_POP([C++]) |
| ]) |
| fi |
| fi |
| |
| AC_ARG_ENABLE([bindings-python], |
| [AS_HELP_STRING([--enable-bindings-python],[enable python3 bindings [default=no]])], |
| [if test "x$enableval" = xyes; then with_bindings_python=true; fi], |
| [with_bindings_python=false]) |
| AM_CONDITIONAL([WITH_BINDINGS_PYTHON], [test "x$with_bindings_python" = xtrue]) |
| |
| if test "x$with_bindings_python" = xtrue |
| then |
| AM_PATH_PYTHON([3.9], [], |
| [AC_MSG_ERROR([python3 not found - needed for python bindings])]) |
| AC_CHECK_PROG([has_python_config], [python3-config], [true], [false]) |
| |
| if test "x$has_python_config" = xfalse |
| then |
| AC_MSG_ERROR([python3-config not found - needed for python bindings]) |
| fi |
| fi |
| |
| AC_ARG_ENABLE([bindings-rust], |
| [AS_HELP_STRING([--enable-bindings-rust],[enable rust bindings [default=no]])], |
| [if test "x$enableval" = xyes; then with_bindings_rust=true; fi], |
| [with_bindings_rust=false]) |
| AM_CONDITIONAL([WITH_BINDINGS_RUST], [test "x$with_bindings_rust" = xtrue]) |
| |
| if test "x$with_bindings_rust" = xtrue |
| then |
| AC_CHECK_PROG([has_cargo], [cargo], [true], [false]) |
| if test "x$has_cargo" = xfalse |
| then |
| AC_MSG_ERROR([cargo not found - needed for rust bindings]) |
| fi |
| fi |
| |
| AC_CHECK_PROG([has_doxygen], [doxygen], [true], [false]) |
| AM_CONDITIONAL([HAS_DOXYGEN], [test "x$has_doxygen" = xtrue]) |
| if test "x$has_doxygen" = xfalse |
| then |
| AC_MSG_NOTICE([doxygen not found - documentation cannot be generated]) |
| fi |
| AM_COND_IF([HAS_DOXYGEN], [AC_CONFIG_FILES([Doxyfile])]) |
| |
| if test "x$cross_compiling" = xno |
| then |
| AC_CHECK_PROG([has_help2man], [help2man], [true], [false]) |
| fi |
| AM_CONDITIONAL([WITH_MANPAGES], [test "x$has_help2man" = xtrue]) |
| if test "x$has_help2man" = xfalse |
| then |
| AC_MSG_NOTICE([help2man not found - man pages cannot be generated automatically]) |
| fi |
| |
| AC_CONFIG_FILES([Makefile |
| include/Makefile |
| lib/Makefile |
| lib/libgpiod.pc |
| contrib/Makefile |
| tools/Makefile |
| tests/Makefile |
| tests/gpiosim/Makefile |
| bindings/cxx/libgpiodcxx.pc |
| bindings/Makefile |
| bindings/cxx/Makefile |
| bindings/cxx/gpiodcxx/Makefile |
| bindings/cxx/examples/Makefile |
| bindings/cxx/tests/Makefile |
| bindings/python/Makefile |
| bindings/python/gpiod/Makefile |
| bindings/python/gpiod/ext/Makefile |
| bindings/python/examples/Makefile |
| bindings/python/tests/Makefile |
| bindings/python/tests/gpiosim/Makefile |
| bindings/python/tests/procname/Makefile |
| bindings/rust/libgpiod-sys/src/Makefile |
| bindings/rust/libgpiod-sys/Makefile |
| bindings/rust/libgpiod/src/Makefile |
| bindings/rust/libgpiod/tests/common/Makefile |
| bindings/rust/libgpiod/tests/Makefile |
| bindings/rust/libgpiod/Makefile |
| bindings/rust/libgpiod/examples/Makefile |
| bindings/rust/Makefile |
| bindings/rust/gpiosim-sys/src/Makefile |
| bindings/rust/gpiosim-sys/Makefile |
| man/Makefile]) |
| |
| AC_OUTPUT |