AC_PREREQ([2.63])
# libsigrokdecode package version number (NOT the same as shared lib version!).
-m4_define([srd_package_version_major], [0])
-m4_define([srd_package_version_minor], [3])
-m4_define([srd_package_version_micro], [0])
-m4_define([srd_package_version_suffix], [-git])
-m4_define([srd_package_version], [srd_package_version_major.srd_package_version_minor.srd_package_version_micro[]srd_package_version_suffix])
-
-AC_INIT([libsigrokdecode], [srd_package_version],
+AC_INIT([libsigrokdecode], [0.6.0],
[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])
# We require at least automake 1.11 (needed for 'silent rules').
-AM_INIT_AUTOMAKE([1.11 -Wall -Werror subdir-objects check-news color-tests])
-m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+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])
-AH_TOP([#ifndef SRD_CONFIG_H
-#define SRD_CONFIG_H /* To stop multiple inclusions. */])
-AH_BOTTOM([#endif /* SRD_CONFIG_H */])
-
-# Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
-# and enforce use of SRD_API to explicitly mark all public API functions.
-AM_CFLAGS="$AM_CFLAGS -Wall -Wextra -Wmissing-prototypes -fvisibility=hidden"
+AC_CANONICAL_HOST
# Checks for programs.
AC_PROG_CC
-AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
# Required for per-target flags or subdir-objects with C sources.
AM_PROG_CC_C_O
+# Set the standard the C library headers should conform to.
+AH_VERBATIM([_POSIX_C_SOURCE], [/* The targeted POSIX standard. */
+#ifndef _POSIX_C_SOURCE
+# define _POSIX_C_SOURCE 200112L
+#endif])
+
+# Get compiler versions.
+SR_PROG_VERSION([$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
-SRD_LIB_VERSION_CURRENT=2
-SRD_LIB_VERSION_REVISION=0
-SRD_LIB_VERSION_AGE=0
-SRD_LIB_VERSION="$SRD_LIB_VERSION_CURRENT:$SRD_LIB_VERSION_REVISION:$SRD_LIB_VERSION_AGE"
-SRD_LIB_LDFLAGS="-version-info $SRD_LIB_VERSION"
-AC_SUBST(SRD_LIB_VERSION_CURRENT)
-AC_SUBST(SRD_LIB_VERSION_REVISION)
-AC_SUBST(SRD_LIB_VERSION_AGE)
-AC_SUBST(SRD_LIB_VERSION)
-AC_SUBST(SRD_LIB_LDFLAGS)
-
-# Checks for libraries.
-
-# libglib-2.0 is always needed.
-# Note: glib-2.0 is part of the libsigrokdecode API
-# (hard pkg-config requirement).
-AM_PATH_GLIB_2_0([2.24.0],
- [AM_CFLAGS="$AM_CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
+# Format: current:revision:age.
+SR_LIB_VERSION_SET([SRD_LIB_VERSION], [4:0:0])
+
+AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
+
+# Initialize pkg-config.
+# We require at least 0.22, as "Requires.private" behaviour changed there.
+PKG_PROG_PKG_CONFIG
+
+############################
+## Package dependencies ##
+############################
+
+# Initialize pkg-config.
+# We require at least 0.22, as "Requires.private" behaviour changed there.
+PKG_PROG_PKG_CONFIG([0.22])
+
+# Collect the pkg-config module names of all dependencies in SRD_PKGLIBS.
+# These are used to derive the compiler flags and for the "Requires.private"
+# field in the generated libsigrokdecode.pc file.
+SRD_PKGLIBS=
+SRD_PKGLIBS_TESTS=
+
+# Keep track of all checked modules so we can list them at the end.
+SR_PKG_CHECK_SUMMARY([srd_pkglibs_summary])
# Python 3 is always needed.
-# Note: We need to try a few different variants, since some systems have a
-# python3.pc file, others have a python-3.3.pc file, and so on.
-# We also export the name of the package so that it can be correctly
-# added to libsigrokdecode.pc.
-# See also: http://sigrok.org/wiki/Libsigrokdecode/Python
-CPPFLAGS_PYTHON=""
-LDFLAGS_PYTHON=""
-pyver="none"
-PKG_CHECK_MODULES([python3], [python3 >= 3.2],
- [pyver=`$PKG_CONFIG --modversion python3`;
- CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python3_CFLAGS";
- LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python3_LIBS";
- MODNAME_PYTHON="python3"],
-[PKG_CHECK_MODULES([python34], [python-3.4 >= 3.4],
- [pyver=`$PKG_CONFIG --modversion python-3.4`;
- CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python34_CFLAGS";
- LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python34_LIBS";
- MODNAME_PYTHON="python-3.4"],
-[PKG_CHECK_MODULES([python33], [python-3.3 >= 3.3],
- [pyver=`$PKG_CONFIG --modversion python-3.3`;
- CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python33_CFLAGS";
- LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python33_LIBS";
- MODNAME_PYTHON="python-3.3"],
-[PKG_CHECK_MODULES([python32], [python-3.2 >= 3.2],
- [pyver=`$PKG_CONFIG --modversion python-3.2`;
- CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python32_CFLAGS";
- LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python32_LIBS";
- MODNAME_PYTHON="python-3.2"],
-)])])])
-AC_SUBST(CPPFLAGS_PYTHON)
-AC_SUBST(LDFLAGS_PYTHON)
-AC_SUBST(MODNAME_PYTHON)
+SR_PKG_CHECK([python3], [SRD_PKGLIBS],
+ [python3 >= 3.2], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2])
+AS_IF([test "x$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_CHECK_PROGS([PYTHON3], [python3.4 python3.3 python3.2 python3])
-if test "x$PYTHON3" = "x"; then
- AC_MSG_ERROR([cannot find python3 executable.])
-fi
+AC_ARG_VAR([PYTHON3], [Python 3 interpreter])
+AC_CHECK_PROGS([PYTHON3], [python3.6 python3.5 python3.4 python3.3 python3.2 python3])
+AS_IF([test "x$PYTHON3" = x],
+ [AC_MSG_ERROR([Cannot find Python 3 interpreter.])])
-# Link against libm, this is required (among other things) by Python.
-AC_SEARCH_LIBS([pow], [m])
+######################
+## 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.
-PKG_CHECK_MODULES([check], [check >= 0.9.4],
- [have_check="yes"], [have_check="no"])
-AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
+SR_PKG_CHECK([check], [SRD_PKGLIBS_TESTS], [check >= 0.9.4])
+AM_CONDITIONAL([HAVE_CHECK], [test "x$sr_have_check" = xyes])
-# Checks for header files.
-# These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
+# 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])
-AC_SUBST(DECODERS_DIR, "$datadir/libsigrokdecode/decoders")
-AC_SUBST(MAKEFLAGS, '--no-print-directory')
-AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
+# Select suitable compiler warning flags.
+SR_ARG_ENABLE_WARNINGS([SRD_WFLAGS], [-Wall], [-Wall -Wextra -Wmissing-prototypes -Wshadow -Wformat=2 -Wno-format-nonliteral -Wfloat-equal])
-SRD_PACKAGE_VERSION_MAJOR=srd_package_version_major
-SRD_PACKAGE_VERSION_MINOR=srd_package_version_minor
-SRD_PACKAGE_VERSION_MICRO=srd_package_version_micro
-SRD_PACKAGE_VERSION=srd_package_version
+# Link against libm, this is required (among other things) by Python.
+SRD_EXTRA_LIBS=
+SR_SEARCH_LIBS([SRD_EXTRA_LIBS], [pow], [m])
-AC_SUBST(SRD_PACKAGE_VERSION_MAJOR)
-AC_SUBST(SRD_PACKAGE_VERSION_MINOR)
-AC_SUBST(SRD_PACKAGE_VERSION_MICRO)
-AC_SUBST(SRD_PACKAGE_VERSION)
+AC_SYS_LARGEFILE
-AC_SUBST(AM_CFLAGS)
+AC_C_BIGENDIAN
-AC_CONFIG_FILES([Makefile version.h libsigrokdecode.pc])
+##############################
+## Finalize configuration ##
+##############################
-AC_OUTPUT
+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 >= 2.34 $SRD_PKGLIBS])
+PKG_CHECK_MODULES([TESTS], [$SRD_PKGLIBS_TESTS glib-2.0 $SRD_PKGLIBS])
+
+srd_glib_version=`$PKG_CONFIG --modversion glib-2.0 2>&AS_MESSAGE_LOG_FD`
-echo
-echo "libsigrokdecode configuration summary:"
-echo
-echo " - Package version (major.minor.micro): $SRD_PACKAGE_VERSION"
-echo " - Library version (current:revision:age): $SRD_LIB_VERSION"
-echo " - Prefix: $prefix"
-echo " - Building on: $build"
-echo " - Building for: $host"
-echo
-echo "Detected libraries:"
-echo
-
-if test "x$pyver" = "xnone"; then
- echo " - (REQUIRED) python >= 3.2: no"
-else
- echo " - (REQUIRED) python >= 3.2: yes ($pyver)"
-fi
-
-# Note: This only works for libs with pkg-config integration.
-for lib in "glib-2.0 >= 2.24.0" "check >= 0.9.4"; do
- optional="OPTIONAL"
- if test "x$lib" = "xglib-2.0 >= 2.24.0"; then optional="REQUIRED"; fi
- if `$PKG_CONFIG --exists $lib`; then
- ver=`$PKG_CONFIG --modversion $lib`
- answer="yes ($ver)"
- else
- answer="no"
- fi
- echo " - ($optional) $lib: $answer"
-done
-
-echo
-echo "Enabled features:"
-echo
-echo " - (OPTIONAL) Library unit test framework support: $have_check"
-echo
+AC_DEFINE_UNQUOTED([CONF_HOST], ["$host"],
+ [The canonical host libsigrokdecode will run on.])
+
+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
+ - Building shared / static........ $enable_shared / $enable_static
+
+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
+ - Linker flags.................... $LDFLAGS
+
+Detected libraries (required):
+ - glib-2.0 >= 2.34................ $srd_glib_version
+$srd_pkglibs_summary
+Detected libraries (optional):
+$srd_pkglibs_opt_summary
+_EOF
projects / libsigrokdecode.git / blobdiff