X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=configure.ac;h=b08eab71856dbf74fd62656e8eadd3fb2da23b52;hp=1b2aeb531b78dd7f55ef6a02ce9e42a697d7e773;hb=b144d63507bed89c551e3fdd74fe106c4d264fc2;hpb=81eb8e80eaf8ddc74f37afd43aae87d9abb9d6af diff --git a/configure.ac b/configure.ac index 1b2aeb5..b08eab7 100644 --- a/configure.ac +++ b/configure.ac @@ -1,5 +1,5 @@ ## -## This file is part of the sigrok project. +## This file is part of the libsigrokdecode project. ## ## Copyright (C) 2010 Bert Vermeulen ## @@ -17,176 +17,148 @@ ## along with this program. If not, see . ## -AC_PREREQ([2.61]) +# We require at least autoconf 2.63 (AC_INIT format changed there). +AC_PREREQ([2.63]) # libsigrokdecode package version number (NOT the same as shared lib version!). -m4_define([libsigrokdecode_major_version], [0]) -m4_define([libsigrokdecode_minor_version], [2]) -m4_define([libsigrokdecode_micro_version], [0]) -m4_define([libsigrokdecode_version], - [libsigrokdecode_major_version.libsigrokdecode_minor_version.libsigrokdecode_micro_version]) - -AC_INIT([libsigrokdecode], [libsigrokdecode_version], +AC_INIT([libsigrokdecode], [0.4.0], [sigrok-devel@lists.sourceforge.net], [libsigrokdecode], [http://www.sigrok.org]) -AC_CONFIG_HEADER([config.h]) -AC_CONFIG_MACRO_DIR([autostuff]) +AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_AUX_DIR([autostuff]) +AC_CONFIG_HEADERS([config.h version.h]) -AM_INIT_AUTOMAKE([-Wall -Werror foreign std-options]) -m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) - -AH_TOP([#ifndef LIBSIGROKDECODE_CONFIG_H -#define LIBSIGROKDECODE_CONFIG_H /* To stop multiple inclusions. */]) -AH_BOTTOM([#endif /* LIBSIGROKDECODE_CONFIG_H */]) +# We require at least automake 1.11 (needed for 'silent rules'). +AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define subdir-objects check-news color-tests]) +AM_SILENT_RULES([yes]) +m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) -CFLAGS="-g -Wall -Wextra" +AC_CANONICAL_HOST # Checks for programs. -AC_PROG_CXX 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 + +# 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([$CC], [srd_cc_version]) + # Initialize libtool. LT_INIT -# Initialize pkg-config. -# We require at least 0.22, as "Requires.private" behaviour changed there. -PKG_PROG_PKG_CONFIG([0.22]) +# Set up the libsigrokdecode version defines. +SR_PKG_VERSION_SET([SRD_PACKAGE_VERSION], [AC_PACKAGE_VERSION]) # Library version for libsigrokdecode (NOT the same as the package version). # Carefully read the libtool docs before updating these numbers! # The algorithm for determining which number to change (and how) is nontrivial! # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info -LIBSIGROKDECODE_LT_CURRENT=0 -LIBSIGROKDECODE_LT_REVISION=0 -LIBSIGROKDECODE_LT_AGE=0 -LIBSIGROKDECODE_LT_VERSION="$LIBSIGROKDECODE_LT_CURRENT:$LIBSIGROKDECODE_LT_REVISION:$LIBSIGROKDECODE_LT_AGE" -LIBSIGROKDECODE_LT_LDFLAGS="-version-info $LIBSIGROKDECODE_LT_VERSION" -AC_SUBST(LIBSIGROKDECODE_LT_LDFLAGS) - -# Checks for libraries. - -# libglib-2.0 is always needed. -# Note: glib-2.0 is part of the libsigrokdecode API -# (hard pkg-config requirement). -AM_PATH_GLIB_2_0([2.22.0], - [CFLAGS="$CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"]) - -# Python support. We require at least Python >= 3.0. -CPPFLAGS_PYTHON="" -LDFLAGS_PYTHON="" -case "$build" in -*linux*) - # We know that Linux has 'python3-config'. - CPPFLAGS_PYTHON="$(python3-config --includes)" - LDFLAGS_PYTHON="$(python3-config --ldflags)" - ;; -*darwin*) - # On Darwin, Macports has python3.x-config, fink has python3-config. - # Mac OS X (Snow Leopard) ships with 'python-config' per default, but - # that's Python 2.x, so not useful for us. - if test -x python3-config; then - # python3-config exists, use it. - CPPFLAGS_PYTHON="$(python3-config --includes)" - LDFLAGS_PYTHON="$(python3-config --ldflags)" - else - # No python3-config found, so try hardcoded python3.2-config. - CPPFLAGS_PYTHON="$(python3.2-config --includes)" - LDFLAGS_PYTHON="$(python3.2-config --ldflags)" - fi - ;; -*mingw*) - # We currently hardcode the paths to the Python 3.2 default install - # location as there's no 'python-config' script on Windows, it seems. - CPPFLAGS_PYTHON="-I/c/Python32/include" - LDFLAGS_PYTHON="-L/c/Python32/libs -lpython32" - ;; -*) - # Everything else is untested, we just hope 'python3-config' works. - CPPFLAGS_PYTHON="$(python3-config --includes)" - LDFLAGS_PYTHON="$(python3-config --ldflags)" - ;; -esac -AC_SUBST(CPPFLAGS_PYTHON) -AC_SUBST(LDFLAGS_PYTHON) - -# Checks for header files. -# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h. -# AC_CHECK_HEADERS([]) - -# Checks for typedefs, structures, and compiler characteristics. -AC_C_INLINE -AC_TYPE_INT8_T -AC_TYPE_INT16_T -AC_TYPE_INT32_T -AC_TYPE_INT64_T -AC_TYPE_UINT8_T -AC_TYPE_UINT16_T -AC_TYPE_UINT32_T -AC_TYPE_UINT64_T -AC_TYPE_SIZE_T - -# Checks for library functions. -AC_CHECK_FUNCS([memset strtoull]) - -AC_SUBST(DECODERS_DIR, "$datadir/libsigrokdecode/decoders") -AC_SUBST(MAKEFLAGS, '--no-print-directory') -AC_SUBST(AM_LIBTOOLFLAGS, '--silent') - -LIBSIGROKDECODE_MAJOR_VERSION=libsigrokdecode_major_version -LIBSIGROKDECODE_MINOR_VERSION=libsigrokdecode_minor_version -LIBSIGROKDECODE_MICRO_VERSION=libsigrokdecode_micro_version -LIBSIGROKDECODE_VERSION=libsigrokdecode_version - -AC_SUBST(LIBSIGROKDECODE_MAJOR_VERSION) -AC_SUBST(LIBSIGROKDECODE_MINOR_VERSION) -AC_SUBST(LIBSIGROKDECODE_MICRO_VERSION) -AC_SUBST(LIBSIGROKDECODE_VERSION) - -AC_DEFINE(LIBSIGROKDECODE_MAJOR_VERSION, [libsigrokdecode_major_version], - [Define to the libsigrokdecode major package version]) -AC_DEFINE(LIBSIGROKDECODE_MINOR_VERSION, [libsigrokdecode_minor_version], - [Define to the libsigrokdecode minor package version]) -AC_DEFINE(LIBSIGROKDECODE_MICRO_VERSION, [libsigrokdecode_micro_version], - [Define to the libsigrokdecode micro package version]) -AC_DEFINE(LIBSIGROKDECODE_VERSION, [libsigrokdecode_version], - [Define to the libsigrokdecode package version]) - -AC_CONFIG_FILES([Makefile - libsigrokdecode.pc - decoders/Makefile - ]) +# Format: current:revision:age. +SR_LIB_VERSION_SET([SRD_LIB_VERSION], [3:0:0]) -AC_OUTPUT +AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"]) + +############################ +## Package dependencies ## +############################ + +# Initialize pkg-config. +# We require at least 0.22, as "Requires.private" behaviour changed there. +PKG_PROG_PKG_CONFIG([0.22]) + +# Collect the pkg-config module names of all dependencies in SRD_PKGLIBS. +# These are used to derive the compiler flags and for the "Requires.private" +# field in the generated libsigrokdecode.pc file. +SRD_PKGLIBS= +SRD_PKGLIBS_TESTS= + +# Keep track of all checked modules so we can list them at the end. +SR_PKG_CHECK_SUMMARY([srd_pkglibs_summary]) -echo -echo "libsigrokdecode configuration summary:" -echo -echo " - Package version (major.minor.micro): $LIBSIGROKDECODE_VERSION" -echo " - Library version (current:revision:age): $LIBSIGROKDECODE_LT_VERSION" -echo " - Prefix: $prefix" -echo -echo "Detected libraries:" -echo - -# Note: This only works for libs with pkg-config integration. -for lib in "glib-2.0"; do - if `$PKG_CONFIG --exists $lib`; then - ver=`$PKG_CONFIG --modversion $lib` - answer="yes ($ver)" - else - answer="no" - fi - echo " - $lib: $answer" -done - -echo -echo "Detected Python:" -echo -echo " - Python CPPFLAGS: $CPPFLAGS_PYTHON" -echo " - Python LDFLAGS: $LDFLAGS_PYTHON" -echo +# Python 3 is always needed. +SR_PKG_CHECK([python3], [SRD_PKGLIBS], + [python3 >= 3.2], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2]) +AS_IF([test "x$sr_have_python3" = xno], + [AC_MSG_ERROR([Cannot find Python 3 development headers.])]) + +# We also need to find the name of the python3 executable (for 'make install'). +# Some OSes call this python3, some call it python3.2, etc. etc. +AC_ARG_VAR([PYTHON3], [Python 3 interpreter]) +AC_CHECK_PROGS([PYTHON3], [python3.5 python3.4 python3.3 python3.2 python3]) +AS_IF([test "x$PYTHON3" = x], + [AC_MSG_ERROR([Cannot find Python 3 interpreter.])]) + +###################### +## Feature checks ## +###################### + +# Keep track of all checked modules so we can list them at the end. +SR_PKG_CHECK_SUMMARY([srd_pkglibs_opt_summary]) + +# The Check unit testing framework is optional. Disable if not found. +SR_PKG_CHECK([check], [SRD_PKGLIBS_TESTS], [check >= 0.9.4]) +AM_CONDITIONAL([HAVE_CHECK], [test "x$sr_have_check" = xyes]) + +# Enable the C99 standard if possible, and enforce the use +# of SRD_API to explicitly mark all public API functions. +SRD_EXTRA_CFLAGS= +SR_CHECK_COMPILE_FLAGS([SRD_EXTRA_CFLAGS], [C99], [-std=c99 -c99 -AC99 -qlanglvl=extc99]) +SR_CHECK_COMPILE_FLAGS([SRD_EXTRA_CFLAGS], [visibility], [-fvisibility=hidden]) + +# Select suitable compiler warning flags. +SR_ARG_ENABLE_WARNINGS([SRD_WFLAGS], [-Wall], [-Wall -Wextra -Wmissing-prototypes]) + +# Link against libm, this is required (among other things) by Python. +SRD_EXTRA_LIBS= +SR_SEARCH_LIBS([SRD_EXTRA_LIBS], [pow], [m]) + +AC_SYS_LARGEFILE + +############################## +## Finalize configuration ## +############################## + +AC_SUBST([SRD_PKGLIBS]) + +# 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([LIBSIGROKDECODE], [glib-2.0 >= 2.28.0 $SRD_PKGLIBS]) +PKG_CHECK_MODULES([TESTS], [$SRD_PKGLIBS_TESTS glib-2.0 $SRD_PKGLIBS]) + +srd_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD` + +AC_CONFIG_FILES([Makefile libsigrokdecode.pc]) + +AC_OUTPUT +cat >&AS_MESSAGE_FD <<_EOF + +libsigrokdecode configuration summary: + - Package version................. $SRD_PACKAGE_VERSION + - Library ABI version............. $SRD_LIB_VERSION + - Prefix.......................... $prefix + - Building on..................... $build + - Building for.................... $host + +Compile configuration: + - C compiler...................... $CC + - C compiler version.............. $srd_cc_version + - C compiler flags................ $CFLAGS + - Additional C compiler flags..... $SRD_EXTRA_CFLAGS + - C compiler warnings............. $SRD_WFLAGS + +Detected libraries (required): + - glib-2.0 >= 2.28.0.............. $srd_glib_version +$srd_pkglibs_summary +Detected libraries (optional): +$srd_pkglibs_opt_summary +_EOF