build: Keep macros newer than Ubuntu...
Mostly for travis
This commit is contained in:
Patrick Griffis
parent
98b0186feb
commit
10fa3b1878
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@ -15,12 +15,11 @@ AM_SILENT_RULES([yes])
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AC_DEFUN([HEX_CHECK_MACRO], [m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined. Is ]$2[ installed?])])])
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HEX_CHECK_MACRO([AX_IS_RELEASE], [autoconf-archive])
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HEX_CHECK_MACRO([AX_APPEND_COMPILE_FLAGS], [autoconf-archive])
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HEX_CHECK_MACRO([PKG_PROG_PKG_CONFIG], [pkg-config])
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AX_IS_RELEASE([minor-version])
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AX_CHECK_ENABLE_DEBUG([yes])
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AX_REQUIRE_DEFINED([PKG_PROG_PKG_CONFIG])
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AC_USE_SYSTEM_EXTENSIONS
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AM_MAINTAINER_MODE([enable])
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@ -0,0 +1,124 @@
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_check_enable_debug.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CHECK_ENABLE_DEBUG([enable by default=yes/info/profile/no], [ENABLE DEBUG VARIABLES ...], [DISABLE DEBUG VARIABLES NDEBUG ...], [IS-RELEASE])
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#
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# DESCRIPTION
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#
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# Check for the presence of an --enable-debug option to configure, with
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# the specified default value used when the option is not present. Return
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# the value in the variable $ax_enable_debug.
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#
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# Specifying 'yes' adds '-g -O0' to the compilation flags for all
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# languages. Specifying 'info' adds '-g' to the compilation flags.
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# Specifying 'profile' adds '-g -pg' to the compilation flags and '-pg' to
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# the linking flags. Otherwise, nothing is added.
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#
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# Define the variables listed in the second argument if debug is enabled,
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# defaulting to no variables. Defines the variables listed in the third
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# argument if debug is disabled, defaulting to NDEBUG. All lists of
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# variables should be space-separated.
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#
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# If debug is not enabled, ensure AC_PROG_* will not add debugging flags.
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# Should be invoked prior to any AC_PROG_* compiler checks.
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#
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# IS-RELEASE can be used to change the default to 'no' when making a
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# release. Set IS-RELEASE to 'yes' or 'no' as appropriate. By default, it
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# uses the value of $ax_is_release, so if you are using the AX_IS_RELEASE
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# macro, there is no need to pass this parameter.
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#
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# AX_IS_RELEASE([git-directory])
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# AX_CHECK_ENABLE_DEBUG()
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#
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# LICENSE
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#
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# Copyright (c) 2011 Rhys Ulerich <rhys.ulerich@gmail.com>
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# Copyright (c) 2014, 2015 Philip Withnall <philip@tecnocode.co.uk>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved.
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#serial 5
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AC_DEFUN([AX_CHECK_ENABLE_DEBUG],[
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AC_BEFORE([$0],[AC_PROG_CC])dnl
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AC_BEFORE([$0],[AC_PROG_CXX])dnl
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AC_BEFORE([$0],[AC_PROG_F77])dnl
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AC_BEFORE([$0],[AC_PROG_FC])dnl
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AC_MSG_CHECKING(whether to enable debugging)
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ax_enable_debug_default=m4_tolower(m4_normalize(ifelse([$1],,[no],[$1])))
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ax_enable_debug_is_release=m4_tolower(m4_normalize(ifelse([$4],,
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[$ax_is_release],
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[$4])))
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# If this is a release, override the default.
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AS_IF([test "$ax_enable_debug_is_release" = "yes"],
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[ax_enable_debug_default="no"])
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m4_define(ax_enable_debug_vars,[m4_normalize(ifelse([$2],,,[$2]))])
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m4_define(ax_disable_debug_vars,[m4_normalize(ifelse([$3],,[NDEBUG],[$3]))])
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AC_ARG_ENABLE(debug,
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[AS_HELP_STRING([--enable-debug=]@<:@yes/info/profile/no@:>@,[compile with debugging])],
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[],enable_debug=$ax_enable_debug_default)
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# empty mean debug yes
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AS_IF([test "x$enable_debug" = "x"],
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[enable_debug="yes"])
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# case of debug
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AS_CASE([$enable_debug],
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[yes],[
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AC_MSG_RESULT(yes)
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CFLAGS="${CFLAGS} -g -O0"
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CXXFLAGS="${CXXFLAGS} -g -O0"
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FFLAGS="${FFLAGS} -g -O0"
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FCFLAGS="${FCFLAGS} -g -O0"
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OBJCFLAGS="${OBJCFLAGS} -g -O0"
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],
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[info],[
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AC_MSG_RESULT(info)
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CFLAGS="${CFLAGS} -g"
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CXXFLAGS="${CXXFLAGS} -g"
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FFLAGS="${FFLAGS} -g"
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FCFLAGS="${FCFLAGS} -g"
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OBJCFLAGS="${OBJCFLAGS} -g"
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],
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[profile],[
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AC_MSG_RESULT(profile)
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CFLAGS="${CFLAGS} -g -pg"
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CXXFLAGS="${CXXFLAGS} -g -pg"
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FFLAGS="${FFLAGS} -g -pg"
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FCFLAGS="${FCFLAGS} -g -pg"
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OBJCFLAGS="${OBJCFLAGS} -g -pg"
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LDFLAGS="${LDFLAGS} -pg"
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],
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[
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AC_MSG_RESULT(no)
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dnl Ensure AC_PROG_CC/CXX/F77/FC/OBJC will not enable debug flags
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dnl by setting any unset environment flag variables
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AS_IF([test "x${CFLAGS+set}" != "xset"],
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[CFLAGS=""])
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AS_IF([test "x${CXXFLAGS+set}" != "xset"],
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[CXXFLAGS=""])
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AS_IF([test "x${FFLAGS+set}" != "xset"],
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[FFLAGS=""])
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AS_IF([test "x${FCFLAGS+set}" != "xset"],
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[FCFLAGS=""])
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AS_IF([test "x${OBJCFLAGS+set}" != "xset"],
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[OBJCFLAGS=""])
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])
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dnl Define various variables if debugging is disabled.
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dnl assert.h is a NOP if NDEBUG is defined, so define it by default.
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AS_IF([test "x$enable_debug" = "xyes"],
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[m4_map_args_w(ax_enable_debug_vars, [AC_DEFINE(], [,,[Define if debugging is enabled])])],
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[m4_map_args_w(ax_disable_debug_vars, [AC_DEFINE(], [,,[Define if debugging is disabled])])])
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ax_enable_debug=$enable_debug
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])
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@ -0,0 +1,69 @@
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_is_release.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_IS_RELEASE(POLICY)
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#
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# DESCRIPTION
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#
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# Determine whether the code is being configured as a release, or from
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# git. Set the ax_is_release variable to 'yes' or 'no'.
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#
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# If building a release version, it is recommended that the configure
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# script disable compiler errors and debug features, by conditionalising
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# them on the ax_is_release variable. If building from git, these
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# features should be enabled.
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#
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# The POLICY parameter specifies how ax_is_release is determined. It can
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# take the following values:
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#
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# * git-directory: ax_is_release will be 'no' if a '.git' directory exists
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# * minor-version: ax_is_release will be 'no' if the minor version number
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# in $PACKAGE_VERSION is odd; this assumes
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# $PACKAGE_VERSION follows the 'major.minor.micro' scheme
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# * micro-version: ax_is_release will be 'no' if the micro version number
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# in $PACKAGE_VERSION is odd; this assumes
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# $PACKAGE_VERSION follows the 'major.minor.micro' scheme
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# * always: ax_is_release will always be 'yes'
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# * never: ax_is_release will always be 'no'
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#
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# Other policies may be added in future.
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#
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# LICENSE
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#
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# Copyright (c) 2015 Philip Withnall <philip@tecnocode.co.uk>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved.
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#serial 3
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AC_DEFUN([AX_IS_RELEASE],[
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AC_BEFORE([AC_INIT],[$0])
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m4_case([$1],
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[git-directory],[
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# $is_release = (.git directory does not exist)
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AS_IF([test -d .git],[ax_is_release=no],[ax_is_release=yes])
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],
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[minor-version],[
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# $is_release = ($minor_version is even)
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minor_version=`echo "$PACKAGE_VERSION" | sed 's/[[^.]][[^.]]*.\([[^.]][[^.]]*\).*/\1/'`
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AS_IF([test "$(( $minor_version % 2 ))" -ne 0],
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[ax_is_release=no],[ax_is_release=yes])
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],
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[micro-version],[
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# $is_release = ($micro_version is even)
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micro_version=`echo "$PACKAGE_VERSION" | sed 's/[[^.]]*\.[[^.]]*\.\([[^.]]*\).*/\1/'`
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AS_IF([test "$(( $micro_version % 2 ))" -ne 0],
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[ax_is_release=no],[ax_is_release=yes])
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],
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[always],[ax_is_release=yes],
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[never],[ax_is_release=no],
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[
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AC_MSG_ERROR([Invalid policy. Valid policies: git-directory, minor-version.])
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])
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])
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