-# generated automatically by aclocal 1.12.2 -*- Autoconf -*-
+# generated automatically by aclocal 1.15 -*- Autoconf -*-
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
m4_ifndef([AC_AUTOCONF_VERSION],
[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
If you have problems, you may need to regenerate the build system entirely.
To do so, use the procedure documented by the package, typically 'autoreconf'.])])
+# ============================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_append_compile_flags.html
+# ============================================================================
+#
+# SYNOPSIS
+#
+# AX_APPEND_COMPILE_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS], [INPUT])
+#
+# DESCRIPTION
+#
+# For every FLAG1, FLAG2 it is checked whether the compiler works with the
+# flag. If it does, the flag is added FLAGS-VARIABLE
+#
+# If FLAGS-VARIABLE is not specified, the current language's flags (e.g.
+# CFLAGS) is used. During the check the flag is always added to the
+# current language's flags.
+#
+# If EXTRA-FLAGS is defined, it is added to the current language's default
+# flags (e.g. CFLAGS) when the check is done. The check is thus made with
+# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
+# force the compiler to issue an error when a bad flag is given.
+#
+# INPUT gives an alternative input source to AC_COMPILE_IFELSE.
+#
+# NOTE: This macro depends on the AX_APPEND_FLAG and
+# AX_CHECK_COMPILE_FLAG. Please keep this macro in sync with
+# AX_APPEND_LINK_FLAGS.
+#
+# LICENSE
+#
+# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Archive. When you make and distribute a
+# modified version of the Autoconf Macro, you may extend this special
+# exception to the GPL to apply to your modified version as well.
+
+#serial 6
+
+AC_DEFUN([AX_APPEND_COMPILE_FLAGS],
+[AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG])
+AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
+for flag in $1; do
+ AX_CHECK_COMPILE_FLAG([$flag], [AX_APPEND_FLAG([$flag], [$2])], [], [$3], [$4])
+done
+])dnl AX_APPEND_COMPILE_FLAGS
+
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html
+# https://www.gnu.org/software/autoconf-archive/ax_append_link_flags.html
# ===========================================================================
#
# SYNOPSIS
#
-# AX_COMPILER_VENDOR
+# AX_APPEND_LINK_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS], [INPUT])
#
# DESCRIPTION
#
-# Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun,
-# hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft,
-# watcom, etc. The vendor is returned in the cache variable
-# $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++.
+# For every FLAG1, FLAG2 it is checked whether the linker works with the
+# flag. If it does, the flag is added FLAGS-VARIABLE
+#
+# If FLAGS-VARIABLE is not specified, the linker's flags (LDFLAGS) is
+# used. During the check the flag is always added to the linker's flags.
+#
+# If EXTRA-FLAGS is defined, it is added to the linker's default flags
+# when the check is done. The check is thus made with the flags: "LDFLAGS
+# EXTRA-FLAGS FLAG". This can for example be used to force the linker to
+# issue an error when a bad flag is given.
+#
+# INPUT gives an alternative input source to AC_COMPILE_IFELSE.
+#
+# NOTE: This macro depends on the AX_APPEND_FLAG and AX_CHECK_LINK_FLAG.
+# Please keep this macro in sync with AX_APPEND_COMPILE_FLAGS.
#
# LICENSE
#
-# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
-# Copyright (c) 2008 Matteo Frigo
+# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
-# with this program. If not, see <http://www.gnu.org/licenses/>.
+# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 11
-
-AC_DEFUN([AX_COMPILER_VENDOR],
-[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
- [# note: don't check for gcc first since some other compilers define __GNUC__
- vendors="intel: __ICC,__ECC,__INTEL_COMPILER
- ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__
- pathscale: __PATHCC__,__PATHSCALE__
- clang: __clang__
- gnu: __GNUC__
- sun: __SUNPRO_C,__SUNPRO_CC
- hp: __HP_cc,__HP_aCC
- dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER
- borland: __BORLANDC__,__TURBOC__
- comeau: __COMO__
- cray: _CRAYC
- kai: __KCC
- lcc: __LCC__
- sgi: __sgi,sgi
- microsoft: _MSC_VER
- metrowerks: __MWERKS__
- watcom: __WATCOMC__
- portland: __PGI
- unknown: UNKNOWN"
- for ventest in $vendors; do
- case $ventest in
- *:) vendor=$ventest; continue ;;
- *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;;
- esac
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
- #if !($vencpp)
- thisisanerror;
- #endif
- ])], [break])
- done
- ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1`
- ])
+#serial 6
+
+AC_DEFUN([AX_APPEND_LINK_FLAGS],
+[AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG])
+AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
+for flag in $1; do
+ AX_CHECK_LINK_FLAG([$flag], [AX_APPEND_FLAG([$flag], [m4_default([$2], [LDFLAGS])])], [], [$3], [$4])
+done
+])dnl AX_APPEND_LINK_FLAGS
+
+# ===========================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
+#
+# DESCRIPTION
+#
+# Check whether the given FLAG works with the linker or gives an error.
+# (Warnings, however, are ignored)
+#
+# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on
+# success/failure.
+#
+# If EXTRA-FLAGS is defined, it is added to the linker's default flags
+# when the check is done. The check is thus made with the flags: "LDFLAGS
+# EXTRA-FLAGS FLAG". This can for example be used to force the linker to
+# issue an error when a bad flag is given.
+#
+# INPUT gives an alternative input source to AC_LINK_IFELSE.
+#
+# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
+# macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG.
+#
+# LICENSE
+#
+# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
+# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Archive. When you make and distribute a
+# modified version of the Autoconf Macro, you may extend this special
+# exception to the GPL to apply to your modified version as well.
+
+#serial 5
+
+AC_DEFUN([AX_CHECK_LINK_FLAG],
+[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
+AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl
+AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [
+ ax_check_save_flags=$LDFLAGS
+ LDFLAGS="$LDFLAGS $4 $1"
+ AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
+ [AS_VAR_SET(CACHEVAR,[yes])],
+ [AS_VAR_SET(CACHEVAR,[no])])
+ LDFLAGS=$ax_check_save_flags])
+AS_VAR_IF(CACHEVAR,yes,
+ [m4_default([$2], :)],
+ [m4_default([$3], :)])
+AS_VAR_POPDEF([CACHEVAR])dnl
+])dnl AX_CHECK_LINK_FLAGS
+
+# ===========================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_compiler_flags.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_COMPILER_FLAGS([CFLAGS-VARIABLE], [LDFLAGS-VARIABLE], [IS-RELEASE], [EXTRA-BASE-CFLAGS], [EXTRA-YES-CFLAGS], [UNUSED], [UNUSED], [UNUSED], [EXTRA-BASE-LDFLAGS], [EXTRA-YES-LDFLAGS], [UNUSED], [UNUSED], [UNUSED])
+#
+# DESCRIPTION
+#
+# Check for the presence of an --enable-compile-warnings option to
+# configure, defaulting to "error" in normal operation, or "yes" if
+# IS-RELEASE is equal to "yes". Return the value in the variable
+# $ax_enable_compile_warnings.
+#
+# Depending on the value of --enable-compile-warnings, different compiler
+# warnings are checked to see if they work with the current compiler and,
+# if so, are appended to CFLAGS-VARIABLE and LDFLAGS-VARIABLE. This
+# allows a consistent set of baseline compiler warnings to be used across
+# a code base, irrespective of any warnings enabled locally by individual
+# developers. By standardising the warnings used by all developers of a
+# project, the project can commit to a zero-warnings policy, using -Werror
+# to prevent compilation if new warnings are introduced. This makes
+# catching bugs which are flagged by warnings a lot easier.
+#
+# By providing a consistent --enable-compile-warnings argument across all
+# projects using this macro, continuous integration systems can easily be
+# configured the same for all projects. Automated systems or build
+# systems aimed at beginners may want to pass the --disable-Werror
+# argument to unconditionally prevent warnings being fatal.
+#
+# --enable-compile-warnings can take the values:
+#
+# * no: Base compiler warnings only; not even -Wall.
+# * yes: The above, plus a broad range of useful warnings.
+# * error: The above, plus -Werror so that all warnings are fatal.
+# Use --disable-Werror to override this and disable fatal
+# warnings.
+#
+# The set of base and enabled flags can be augmented using the
+# EXTRA-*-CFLAGS and EXTRA-*-LDFLAGS variables, which are tested and
+# appended to the output variable if --enable-compile-warnings is not
+# "no". Flags should not be disabled using these arguments, as the entire
+# point of AX_COMPILER_FLAGS is to enforce a consistent set of useful
+# compiler warnings on code, using warnings which have been chosen for low
+# false positive rates. If a compiler emits false positives for a
+# warning, a #pragma should be used in the code to disable the warning
+# locally. See:
+#
+# https://gcc.gnu.org/onlinedocs/gcc-4.9.2/gcc/Diagnostic-Pragmas.html#Diagnostic-Pragmas
+#
+# The EXTRA-* variables should only be used to supply extra warning flags,
+# and not general purpose compiler flags, as they are controlled by
+# configure options such as --disable-Werror.
+#
+# IS-RELEASE can be used to disable -Werror when making a release, which
+# is useful for those hairy moments when you just want to get the release
+# done as quickly as possible. Set it to "yes" to disable -Werror. By
+# default, it uses the value of $ax_is_release, so if you are using the
+# AX_IS_RELEASE macro, there is no need to pass this parameter. For
+# example:
+#
+# AX_IS_RELEASE([git-directory])
+# AX_COMPILER_FLAGS()
+#
+# CFLAGS-VARIABLE defaults to WARN_CFLAGS, and LDFLAGS-VARIABLE defaults
+# to WARN_LDFLAGS. Both variables are AC_SUBST-ed by this macro, but must
+# be manually added to the CFLAGS and LDFLAGS variables for each target in
+# the code base.
+#
+# If C++ language support is enabled with AC_PROG_CXX, which must occur
+# before this macro in configure.ac, warning flags for the C++ compiler
+# are AC_SUBST-ed as WARN_CXXFLAGS, and must be manually added to the
+# CXXFLAGS variables for each target in the code base. EXTRA-*-CFLAGS can
+# be used to augment the base and enabled flags.
+#
+# Warning flags for g-ir-scanner (from GObject Introspection) are
+# AC_SUBST-ed as WARN_SCANNERFLAGS. This variable must be manually added
+# to the SCANNERFLAGS variable for each GIR target in the code base. If
+# extra g-ir-scanner flags need to be enabled, the AX_COMPILER_FLAGS_GIR
+# macro must be invoked manually.
+#
+# AX_COMPILER_FLAGS may add support for other tools in future, in addition
+# to the compiler and linker. No extra EXTRA-* variables will be added
+# for those tools, and all extra support will still use the single
+# --enable-compile-warnings configure option. For finer grained control
+# over the flags for individual tools, use AX_COMPILER_FLAGS_CFLAGS,
+# AX_COMPILER_FLAGS_LDFLAGS and AX_COMPILER_FLAGS_* for new tools.
+#
+# The UNUSED variables date from a previous version of this macro, and are
+# automatically appended to the preceding non-UNUSED variable. They should
+# be left empty in new uses of the macro.
+#
+# LICENSE
+#
+# Copyright (c) 2014, 2015 Philip Withnall <philip@tecnocode.co.uk>
+# Copyright (c) 2015 David King <amigadave@amigadave.com>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
+
+#serial 14
+
+# _AX_COMPILER_FLAGS_LANG([LANGNAME])
+m4_defun([_AX_COMPILER_FLAGS_LANG],
+[m4_ifdef([_AX_COMPILER_FLAGS_LANG_]$1[_enabled], [],
+ [m4_define([_AX_COMPILER_FLAGS_LANG_]$1[_enabled], [])dnl
+ AX_REQUIRE_DEFINED([AX_COMPILER_FLAGS_]$1[FLAGS])])dnl
])
-# longlong.m4 serial 14
-dnl Copyright (C) 1999-2007, 2009-2010 Free Software Foundation, Inc.
+AC_DEFUN([AX_COMPILER_FLAGS],[
+ # C support is enabled by default.
+ _AX_COMPILER_FLAGS_LANG([C])
+ # Only enable C++ support if AC_PROG_CXX is called. The redefinition of
+ # AC_PROG_CXX is so that a fatal error is emitted if this macro is called
+ # before AC_PROG_CXX, which would otherwise cause no C++ warnings to be
+ # checked.
+ AC_PROVIDE_IFELSE([AC_PROG_CXX],
+ [_AX_COMPILER_FLAGS_LANG([CXX])],
+ [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[_AX_COMPILER_FLAGS_LANG([CXX])])])
+ AX_REQUIRE_DEFINED([AX_COMPILER_FLAGS_LDFLAGS])
+
+ # Default value for IS-RELEASE is $ax_is_release
+ ax_compiler_flags_is_release=m4_tolower(m4_normalize(ifelse([$3],,
+ [$ax_is_release],
+ [$3])))
+
+ AC_ARG_ENABLE([compile-warnings],
+ AS_HELP_STRING([--enable-compile-warnings=@<:@no/yes/error@:>@],
+ [Enable compiler warnings and errors]),,
+ [AS_IF([test "$ax_compiler_flags_is_release" = "yes"],
+ [enable_compile_warnings="yes"],
+ [enable_compile_warnings="error"])])
+ AC_ARG_ENABLE([Werror],
+ AS_HELP_STRING([--disable-Werror],
+ [Unconditionally make all compiler warnings non-fatal]),,
+ [enable_Werror=maybe])
+
+ # Return the user's chosen warning level
+ AS_IF([test "$enable_Werror" = "no" -a \
+ "$enable_compile_warnings" = "error"],[
+ enable_compile_warnings="yes"
+ ])
+
+ ax_enable_compile_warnings=$enable_compile_warnings
+
+ AX_COMPILER_FLAGS_CFLAGS([$1],[$ax_compiler_flags_is_release],
+ [$4],[$5 $6 $7 $8])
+ m4_ifdef([_AX_COMPILER_FLAGS_LANG_CXX_enabled],
+ [AX_COMPILER_FLAGS_CXXFLAGS([WARN_CXXFLAGS],
+ [$ax_compiler_flags_is_release],
+ [$4],[$5 $6 $7 $8])])
+ AX_COMPILER_FLAGS_LDFLAGS([$2],[$ax_compiler_flags_is_release],
+ [$9],[$10 $11 $12 $13])
+ AX_COMPILER_FLAGS_GIR([WARN_SCANNERFLAGS],[$ax_compiler_flags_is_release])
+])dnl AX_COMPILER_FLAGS
+
+# =============================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_compiler_flags_cflags.html
+# =============================================================================
+#
+# SYNOPSIS
+#
+# AX_COMPILER_FLAGS_CFLAGS([VARIABLE], [IS-RELEASE], [EXTRA-BASE-FLAGS], [EXTRA-YES-FLAGS])
+#
+# DESCRIPTION
+#
+# Add warning flags for the C compiler to VARIABLE, which defaults to
+# WARN_CFLAGS. VARIABLE is AC_SUBST-ed by this macro, but must be
+# manually added to the CFLAGS variable for each target in the code base.
+#
+# This macro depends on the environment set up by AX_COMPILER_FLAGS.
+# Specifically, it uses the value of $ax_enable_compile_warnings to decide
+# which flags to enable.
+#
+# LICENSE
+#
+# Copyright (c) 2014, 2015 Philip Withnall <philip@tecnocode.co.uk>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
+
+#serial 14
+
+AC_DEFUN([AX_COMPILER_FLAGS_CFLAGS],[
+ AC_REQUIRE([AC_PROG_SED])
+ AX_REQUIRE_DEFINED([AX_APPEND_COMPILE_FLAGS])
+ AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
+ AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG])
+
+ # Variable names
+ m4_define([ax_warn_cflags_variable],
+ [m4_normalize(ifelse([$1],,[WARN_CFLAGS],[$1]))])
+
+ AC_LANG_PUSH([C])
+
+ # Always pass -Werror=unknown-warning-option to get Clang to fail on bad
+ # flags, otherwise they are always appended to the warn_cflags variable, and
+ # Clang warns on them for every compilation unit.
+ # If this is passed to GCC, it will explode, so the flag must be enabled
+ # conditionally.
+ AX_CHECK_COMPILE_FLAG([-Werror=unknown-warning-option],[
+ ax_compiler_flags_test="-Werror=unknown-warning-option"
+ ],[
+ ax_compiler_flags_test=""
+ ])
+
+ # Check that -Wno-suggest-attribute=format is supported
+ AX_CHECK_COMPILE_FLAG([-Wno-suggest-attribute=format],[
+ ax_compiler_no_suggest_attribute_flags="-Wno-suggest-attribute=format"
+ ],[
+ ax_compiler_no_suggest_attribute_flags=""
+ ])
+
+ # Base flags
+ AX_APPEND_COMPILE_FLAGS([ dnl
+ -fno-strict-aliasing dnl
+ $3 dnl
+ ],ax_warn_cflags_variable,[$ax_compiler_flags_test])
+
+ AS_IF([test "$ax_enable_compile_warnings" != "no"],[
+ # "yes" flags
+ AX_APPEND_COMPILE_FLAGS([ dnl
+ -Wall dnl
+ -Wextra dnl
+ -Wundef dnl
+ -Wnested-externs dnl
+ -Wwrite-strings dnl
+ -Wpointer-arith dnl
+ -Wmissing-declarations dnl
+ -Wmissing-prototypes dnl
+ -Wstrict-prototypes dnl
+ -Wredundant-decls dnl
+ -Wno-unused-parameter dnl
+ -Wno-missing-field-initializers dnl
+ -Wdeclaration-after-statement dnl
+ -Wformat=2 dnl
+ -Wold-style-definition dnl
+ -Wcast-align dnl
+ -Wformat-nonliteral dnl
+ -Wformat-security dnl
+ -Wsign-compare dnl
+ -Wstrict-aliasing dnl
+ -Wshadow dnl
+ -Winline dnl
+ -Wpacked dnl
+ -Wmissing-format-attribute dnl
+ -Wmissing-noreturn dnl
+ -Winit-self dnl
+ -Wredundant-decls dnl
+ -Wmissing-include-dirs dnl
+ -Wunused-but-set-variable dnl
+ -Warray-bounds dnl
+ -Wimplicit-function-declaration dnl
+ -Wreturn-type dnl
+ -Wswitch-enum dnl
+ -Wswitch-default dnl
+ $4 dnl
+ $5 dnl
+ $6 dnl
+ $7 dnl
+ ],ax_warn_cflags_variable,[$ax_compiler_flags_test])
+ ])
+ AS_IF([test "$ax_enable_compile_warnings" = "error"],[
+ # "error" flags; -Werror has to be appended unconditionally because
+ # it's not possible to test for
+ #
+ # suggest-attribute=format is disabled because it gives too many false
+ # positives
+ AX_APPEND_FLAG([-Werror],ax_warn_cflags_variable)
+
+ AX_APPEND_COMPILE_FLAGS([ dnl
+ [$ax_compiler_no_suggest_attribute_flags] dnl
+ ],ax_warn_cflags_variable,[$ax_compiler_flags_test])
+ ])
+
+ # In the flags below, when disabling specific flags, always add *both*
+ # -Wno-foo and -Wno-error=foo. This fixes the situation where (for example)
+ # we enable -Werror, disable a flag, and a build bot passes CFLAGS=-Wall,
+ # which effectively turns that flag back on again as an error.
+ for flag in $ax_warn_cflags_variable; do
+ AS_CASE([$flag],
+ [-Wno-*=*],[],
+ [-Wno-*],[
+ AX_APPEND_COMPILE_FLAGS([-Wno-error=$(AS_ECHO([$flag]) | $SED 's/^-Wno-//')],
+ ax_warn_cflags_variable,
+ [$ax_compiler_flags_test])
+ ])
+ done
+
+ AC_LANG_POP([C])
+
+ # Substitute the variables
+ AC_SUBST(ax_warn_cflags_variable)
+])dnl AX_COMPILER_FLAGS
+
+# ===============================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_compiler_flags_cxxflags.html
+# ===============================================================================
+#
+# SYNOPSIS
+#
+# AX_COMPILER_FLAGS_CXXFLAGS([VARIABLE], [IS-RELEASE], [EXTRA-BASE-FLAGS], [EXTRA-YES-FLAGS])
+#
+# DESCRIPTION
+#
+# Add warning flags for the C++ compiler to VARIABLE, which defaults to
+# WARN_CXXFLAGS. VARIABLE is AC_SUBST-ed by this macro, but must be
+# manually added to the CXXFLAGS variable for each target in the code
+# base.
+#
+# This macro depends on the environment set up by AX_COMPILER_FLAGS.
+# Specifically, it uses the value of $ax_enable_compile_warnings to decide
+# which flags to enable.
+#
+# LICENSE
+#
+# Copyright (c) 2015 David King <amigadave@amigadave.com>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
+
+#serial 10
+
+AC_DEFUN([AX_COMPILER_FLAGS_CXXFLAGS],[
+ AC_REQUIRE([AC_PROG_SED])
+ AX_REQUIRE_DEFINED([AX_APPEND_COMPILE_FLAGS])
+ AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
+ AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG])
+
+ # Variable names
+ m4_define([ax_warn_cxxflags_variable],
+ [m4_normalize(ifelse([$1],,[WARN_CXXFLAGS],[$1]))])
+
+ AC_LANG_PUSH([C++])
+
+ # Always pass -Werror=unknown-warning-option to get Clang to fail on bad
+ # flags, otherwise they are always appended to the warn_cxxflags variable,
+ # and Clang warns on them for every compilation unit.
+ # If this is passed to GCC, it will explode, so the flag must be enabled
+ # conditionally.
+ AX_CHECK_COMPILE_FLAG([-Werror=unknown-warning-option],[
+ ax_compiler_flags_test="-Werror=unknown-warning-option"
+ ],[
+ ax_compiler_flags_test=""
+ ])
+
+ # Check that -Wno-suggest-attribute=format is supported
+ AX_CHECK_COMPILE_FLAG([-Wno-suggest-attribute=format],[
+ ax_compiler_no_suggest_attribute_flags="-Wno-suggest-attribute=format"
+ ],[
+ ax_compiler_no_suggest_attribute_flags=""
+ ])
+
+ # Base flags
+ AX_APPEND_COMPILE_FLAGS([ dnl
+ -fno-strict-aliasing dnl
+ $3 dnl
+ ],ax_warn_cxxflags_variable,[$ax_compiler_flags_test])
+
+ AS_IF([test "$ax_enable_compile_warnings" != "no"],[
+ # "yes" flags
+ AX_APPEND_COMPILE_FLAGS([ dnl
+ -Wall dnl
+ -Wextra dnl
+ -Wundef dnl
+ -Wwrite-strings dnl
+ -Wpointer-arith dnl
+ -Wmissing-declarations dnl
+ -Wredundant-decls dnl
+ -Wno-unused-parameter dnl
+ -Wno-missing-field-initializers dnl
+ -Wformat=2 dnl
+ -Wcast-align dnl
+ -Wformat-nonliteral dnl
+ -Wformat-security dnl
+ -Wsign-compare dnl
+ -Wstrict-aliasing dnl
+ -Wshadow dnl
+ -Winline dnl
+ -Wpacked dnl
+ -Wmissing-format-attribute dnl
+ -Wmissing-noreturn dnl
+ -Winit-self dnl
+ -Wredundant-decls dnl
+ -Wmissing-include-dirs dnl
+ -Wunused-but-set-variable dnl
+ -Warray-bounds dnl
+ -Wreturn-type dnl
+ -Wno-overloaded-virtual dnl
+ -Wswitch-enum dnl
+ -Wswitch-default dnl
+ $4 dnl
+ $5 dnl
+ $6 dnl
+ $7 dnl
+ ],ax_warn_cxxflags_variable,[$ax_compiler_flags_test])
+ ])
+ AS_IF([test "$ax_enable_compile_warnings" = "error"],[
+ # "error" flags; -Werror has to be appended unconditionally because
+ # it's not possible to test for
+ #
+ # suggest-attribute=format is disabled because it gives too many false
+ # positives
+ AX_APPEND_FLAG([-Werror],ax_warn_cxxflags_variable)
+
+ AX_APPEND_COMPILE_FLAGS([ dnl
+ [$ax_compiler_no_suggest_attribute_flags] dnl
+ ],ax_warn_cxxflags_variable,[$ax_compiler_flags_test])
+ ])
+
+ # In the flags below, when disabling specific flags, always add *both*
+ # -Wno-foo and -Wno-error=foo. This fixes the situation where (for example)
+ # we enable -Werror, disable a flag, and a build bot passes CXXFLAGS=-Wall,
+ # which effectively turns that flag back on again as an error.
+ for flag in $ax_warn_cxxflags_variable; do
+ AS_CASE([$flag],
+ [-Wno-*=*],[],
+ [-Wno-*],[
+ AX_APPEND_COMPILE_FLAGS([-Wno-error=$(AS_ECHO([$flag]) | $SED 's/^-Wno-//')],
+ ax_warn_cxxflags_variable,
+ [$ax_compiler_flags_test])
+ ])
+ done
+
+ AC_LANG_POP([C++])
+
+ # Substitute the variables
+ AC_SUBST(ax_warn_cxxflags_variable)
+])dnl AX_COMPILER_FLAGS_CXXFLAGS
+
+# ===========================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_compiler_flags_gir.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AX_COMPILER_FLAGS_GIR([VARIABLE], [IS-RELEASE], [EXTRA-BASE-FLAGS], [EXTRA-YES-FLAGS])
+#
+# DESCRIPTION
+#
+# Add warning flags for the g-ir-scanner (from GObject Introspection) to
+# VARIABLE, which defaults to WARN_SCANNERFLAGS. VARIABLE is AC_SUBST-ed
+# by this macro, but must be manually added to the SCANNERFLAGS variable
+# for each GIR target in the code base.
+#
+# This macro depends on the environment set up by AX_COMPILER_FLAGS.
+# Specifically, it uses the value of $ax_enable_compile_warnings to decide
+# which flags to enable.
+#
+# LICENSE
+#
+# Copyright (c) 2015 Philip Withnall <philip@tecnocode.co.uk>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
+
+#serial 6
+
+AC_DEFUN([AX_COMPILER_FLAGS_GIR],[
+ AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
+
+ # Variable names
+ m4_define([ax_warn_scannerflags_variable],
+ [m4_normalize(ifelse([$1],,[WARN_SCANNERFLAGS],[$1]))])
+
+ # Base flags
+ AX_APPEND_FLAG([$3],ax_warn_scannerflags_variable)
+
+ AS_IF([test "$ax_enable_compile_warnings" != "no"],[
+ # "yes" flags
+ AX_APPEND_FLAG([ dnl
+ --warn-all dnl
+ $4 dnl
+ $5 dnl
+ $6 dnl
+ $7 dnl
+ ],ax_warn_scannerflags_variable)
+ ])
+ AS_IF([test "$ax_enable_compile_warnings" = "error"],[
+ # "error" flags
+ AX_APPEND_FLAG([ dnl
+ --warn-error dnl
+ ],ax_warn_scannerflags_variable)
+ ])
+
+ # Substitute the variables
+ AC_SUBST(ax_warn_scannerflags_variable)
+])dnl AX_COMPILER_FLAGS
+
+# ==============================================================================
+# https://www.gnu.org/software/autoconf-archive/ax_compiler_flags_ldflags.html
+# ==============================================================================
+#
+# SYNOPSIS
+#
+# AX_COMPILER_FLAGS_LDFLAGS([VARIABLE], [IS-RELEASE], [EXTRA-BASE-FLAGS], [EXTRA-YES-FLAGS])
+#
+# DESCRIPTION
+#
+# Add warning flags for the linker to VARIABLE, which defaults to
+# WARN_LDFLAGS. VARIABLE is AC_SUBST-ed by this macro, but must be
+# manually added to the LDFLAGS variable for each target in the code base.
+#
+# This macro depends on the environment set up by AX_COMPILER_FLAGS.
+# Specifically, it uses the value of $ax_enable_compile_warnings to decide
+# which flags to enable.
+#
+# LICENSE
+#
+# Copyright (c) 2014, 2015 Philip Withnall <philip@tecnocode.co.uk>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved. This file is offered as-is, without any
+# warranty.
+
+#serial 8
+
+AC_DEFUN([AX_COMPILER_FLAGS_LDFLAGS],[
+ AX_REQUIRE_DEFINED([AX_APPEND_LINK_FLAGS])
+ AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
+ AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG])
+ AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG])
+
+ # Variable names
+ m4_define([ax_warn_ldflags_variable],
+ [m4_normalize(ifelse([$1],,[WARN_LDFLAGS],[$1]))])
+
+ # Always pass -Werror=unknown-warning-option to get Clang to fail on bad
+ # flags, otherwise they are always appended to the warn_ldflags variable,
+ # and Clang warns on them for every compilation unit.
+ # If this is passed to GCC, it will explode, so the flag must be enabled
+ # conditionally.
+ AX_CHECK_COMPILE_FLAG([-Werror=unknown-warning-option],[
+ ax_compiler_flags_test="-Werror=unknown-warning-option"
+ ],[
+ ax_compiler_flags_test=""
+ ])
+
+ # macOS linker does not have --as-needed
+ AX_CHECK_LINK_FLAG([-Wl,--no-as-needed], [
+ ax_compiler_flags_as_needed_option="-Wl,--no-as-needed"
+ ], [
+ ax_compiler_flags_as_needed_option=""
+ ])
+
+ # macOS linker speaks with a different accent
+ ax_compiler_flags_fatal_warnings_option=""
+ AX_CHECK_LINK_FLAG([-Wl,--fatal-warnings], [
+ ax_compiler_flags_fatal_warnings_option="-Wl,--fatal-warnings"
+ ])
+ AX_CHECK_LINK_FLAG([-Wl,-fatal_warnings], [
+ ax_compiler_flags_fatal_warnings_option="-Wl,-fatal_warnings"
+ ])
+
+ # Base flags
+ AX_APPEND_LINK_FLAGS([ dnl
+ $ax_compiler_flags_as_needed_option dnl
+ $3 dnl
+ ],ax_warn_ldflags_variable,[$ax_compiler_flags_test])
+
+ AS_IF([test "$ax_enable_compile_warnings" != "no"],[
+ # "yes" flags
+ AX_APPEND_LINK_FLAGS([$4 $5 $6 $7],
+ ax_warn_ldflags_variable,
+ [$ax_compiler_flags_test])
+ ])
+ AS_IF([test "$ax_enable_compile_warnings" = "error"],[
+ # "error" flags; -Werror has to be appended unconditionally because
+ # it's not possible to test for
+ #
+ # suggest-attribute=format is disabled because it gives too many false
+ # positives
+ AX_APPEND_LINK_FLAGS([ dnl
+ $ax_compiler_flags_fatal_warnings_option dnl
+ ],ax_warn_ldflags_variable,[$ax_compiler_flags_test])
+ ])
+
+ # Substitute the variables
+ AC_SUBST(ax_warn_ldflags_variable)
+])dnl AX_COMPILER_FLAGS
+
+# longlong.m4 serial 17
+dnl Copyright (C) 1999-2007, 2009-2016 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl From Paul Eggert.
# Define HAVE_LONG_LONG_INT if 'long long int' works.
-# This fixes a bug in Autoconf 2.61, but can be removed once we
-# assume 2.62 everywhere.
+# This fixes a bug in Autoconf 2.61, and can be faster
+# than what's in Autoconf 2.62 through 2.68.
# Note: If the type 'long long int' exists but is only 32 bits large
# (as on some very old compilers), HAVE_LONG_LONG_INT will not be
AC_DEFUN([AC_TYPE_LONG_LONG_INT],
[
+ AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
- [AC_LINK_IFELSE(
- [_AC_TYPE_LONG_LONG_SNIPPET],
- [dnl This catches a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
- dnl If cross compiling, assume the bug isn't important, since
- dnl nobody cross compiles for this platform as far as we know.
- AC_RUN_IFELSE(
- [AC_LANG_PROGRAM(
- [[@%:@include <limits.h>
- @%:@ifndef LLONG_MAX
- @%:@ define HALF \
- (1LL << (sizeof (long long int) * CHAR_BIT - 2))
- @%:@ define LLONG_MAX (HALF - 1 + HALF)
- @%:@endif]],
- [[long long int n = 1;
- int i;
- for (i = 0; ; i++)
- {
- long long int m = n << i;
- if (m >> i != n)
- return 1;
- if (LLONG_MAX / 2 < m)
- break;
- }
- return 0;]])],
- [ac_cv_type_long_long_int=yes],
- [ac_cv_type_long_long_int=no],
- [ac_cv_type_long_long_int=yes])],
- [ac_cv_type_long_long_int=no])])
+ [ac_cv_type_long_long_int=yes
+ if test "x${ac_cv_prog_cc_c99-no}" = xno; then
+ ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int
+ if test $ac_cv_type_long_long_int = yes; then
+ dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
+ dnl If cross compiling, assume the bug is not important, since
+ dnl nobody cross compiles for this platform as far as we know.
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[@%:@include <limits.h>
+ @%:@ifndef LLONG_MAX
+ @%:@ define HALF \
+ (1LL << (sizeof (long long int) * CHAR_BIT - 2))
+ @%:@ define LLONG_MAX (HALF - 1 + HALF)
+ @%:@endif]],
+ [[long long int n = 1;
+ int i;
+ for (i = 0; ; i++)
+ {
+ long long int m = n << i;
+ if (m >> i != n)
+ return 1;
+ if (LLONG_MAX / 2 < m)
+ break;
+ }
+ return 0;]])],
+ [],
+ [ac_cv_type_long_long_int=no],
+ [:])
+ fi
+ fi])
if test $ac_cv_type_long_long_int = yes; then
AC_DEFINE([HAVE_LONG_LONG_INT], [1],
- [Define to 1 if the system has the type `long long int'.])
+ [Define to 1 if the system has the type 'long long int'.])
fi
])
# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
-# This fixes a bug in Autoconf 2.61, but can be removed once we
-# assume 2.62 everywhere.
+# This fixes a bug in Autoconf 2.61, and can be faster
+# than what's in Autoconf 2.62 through 2.68.
# Note: If the type 'unsigned long long int' exists but is only 32 bits
# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
[
AC_CACHE_CHECK([for unsigned long long int],
[ac_cv_type_unsigned_long_long_int],
- [AC_LINK_IFELSE(
- [_AC_TYPE_LONG_LONG_SNIPPET],
- [ac_cv_type_unsigned_long_long_int=yes],
- [ac_cv_type_unsigned_long_long_int=no])])
+ [ac_cv_type_unsigned_long_long_int=yes
+ if test "x${ac_cv_prog_cc_c99-no}" = xno; then
+ AC_LINK_IFELSE(
+ [_AC_TYPE_LONG_LONG_SNIPPET],
+ [],
+ [ac_cv_type_unsigned_long_long_int=no])
+ fi])
if test $ac_cv_type_unsigned_long_long_int = yes; then
AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
- [Define to 1 if the system has the type `unsigned long long int'.])
+ [Define to 1 if the system has the type 'unsigned long long int'.])
fi
])
| (ullmax / ull) | (ullmax % ull));]])
])
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 8
-
# AM_AUTOMAKE_VERSION(VERSION)
# ----------------------------
# Automake X.Y traces this macro to ensure aclocal.m4 has been
# generated from the m4 files accompanying Automake X.Y.
# (This private macro should not be called outside this file.)
AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.12'
+[am__api_version='1.15'
dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
dnl require some minimum version. Point them to the right macro.
-m4_if([$1], [1.12.2], [],
+m4_if([$1], [1.15], [],
[AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
])
# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.12.2])dnl
+[AM_AUTOMAKE_VERSION([1.15])dnl
m4_ifndef([AC_AUTOCONF_VERSION],
[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
+# Copyright (C) 2011-2014 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# AM_PROG_AR([ACT-IF-FAIL])
+# -------------------------
+# Try to determine the archiver interface, and trigger the ar-lib wrapper
+# if it is needed. If the detection of archiver interface fails, run
+# ACT-IF-FAIL (default is to abort configure with a proper error message).
+AC_DEFUN([AM_PROG_AR],
+[AC_BEFORE([$0], [LT_INIT])dnl
+AC_BEFORE([$0], [AC_PROG_LIBTOOL])dnl
+AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([ar-lib])dnl
+AC_CHECK_TOOLS([AR], [ar lib "link -lib"], [false])
+: ${AR=ar}
+
+AC_CACHE_CHECK([the archiver ($AR) interface], [am_cv_ar_interface],
+ [AC_LANG_PUSH([C])
+ am_cv_ar_interface=ar
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int some_variable = 0;]])],
+ [am_ar_try='$AR cru libconftest.a conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
+ AC_TRY_EVAL([am_ar_try])
+ if test "$ac_status" -eq 0; then
+ am_cv_ar_interface=ar
+ else
+ am_ar_try='$AR -NOLOGO -OUT:conftest.lib conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
+ AC_TRY_EVAL([am_ar_try])
+ if test "$ac_status" -eq 0; then
+ am_cv_ar_interface=lib
+ else
+ am_cv_ar_interface=unknown
+ fi
+ fi
+ rm -f conftest.lib libconftest.a
+ ])
+ AC_LANG_POP([C])])
+
+case $am_cv_ar_interface in
+ar)
+ ;;
+lib)
+ # Microsoft lib, so override with the ar-lib wrapper script.
+ # FIXME: It is wrong to rewrite AR.
+ # But if we don't then we get into trouble of one sort or another.
+ # A longer-term fix would be to have automake use am__AR in this case,
+ # and then we could set am__AR="$am_aux_dir/ar-lib \$(AR)" or something
+ # similar.
+ AR="$am_aux_dir/ar-lib $AR"
+ ;;
+unknown)
+ m4_default([$1],
+ [AC_MSG_ERROR([could not determine $AR interface])])
+ ;;
+esac
+AC_SUBST([AR])dnl
+])
+
# AM_AUX_DIR_EXPAND -*- Autoconf -*-
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 2
-
# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
# $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to
# '$srcdir', '$srcdir/..', or '$srcdir/../..'.
# configured tree to be moved without reconfiguration.
AC_DEFUN([AM_AUX_DIR_EXPAND],
-[dnl Rely on autoconf to set up CDPATH properly.
-AC_PREREQ([2.50])dnl
-# expand $ac_aux_dir to an absolute path
-am_aux_dir=`cd $ac_aux_dir && pwd`
+[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
+# Expand $ac_aux_dir to an absolute path.
+am_aux_dir=`cd "$ac_aux_dir" && pwd`
])
# AM_CONDITIONAL -*- Autoconf -*-
-# Copyright (C) 1997-2012 Free Software Foundation, Inc.
+# Copyright (C) 1997-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 10
-
# AM_CONDITIONAL(NAME, SHELL-CONDITION)
# -------------------------------------
# Define a conditional.
Usually this means the macro was only invoked conditionally.]])
fi])])
-# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 17
# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
# written in clear, in which case automake, when reading aclocal.m4,
# Generate code to set up dependency tracking. -*- Autoconf -*-
-# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 6
# _AM_OUTPUT_DEPENDENCY_COMMANDS
# ------------------------------
AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
[{
- # Autoconf 2.62 quotes --file arguments for eval, but not when files
+ # Older Autoconf quotes --file arguments for eval, but not when files
# are listed without --file. Let's play safe and only enable the eval
# if we detect the quoting.
case $CONFIG_FILES in
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
test -z "$DEPDIR" && continue
am__include=`sed -n 's/^am__include = //p' < "$mf"`
- test -z "am__include" && continue
+ test -z "$am__include" && continue
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
# Find all dependency output files, they are included files with
# $(DEPDIR) in their names. We invoke sed twice because it is the
])
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 6
-
AC_DEFUN([AM_WITH_DMALLOC],
[AC_MSG_CHECKING([if malloc debugging is wanted])
AC_ARG_WITH([dmalloc],
fi], [AC_MSG_RESULT([no])])
])
-AU_DEFUN([fp_WITH_DMALLOC], [AM_WITH_DMALLOC])
-
# Do all the work for Automake. -*- Autoconf -*-
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 19
-
# This macro actually does too much. Some checks are only needed if
# your package does certain things. But this isn't really a big deal.
+dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
+m4_define([AC_PROG_CC],
+m4_defn([AC_PROG_CC])
+[_AM_PROG_CC_C_O
+])
+
# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
# AM_INIT_AUTOMAKE([OPTIONS])
# -----------------------------------------------
# arguments mandatory, and then we can depend on a new Autoconf
# release and drop the old call support.
AC_DEFUN([AM_INIT_AUTOMAKE],
-[AC_PREREQ([2.62])dnl
+[AC_PREREQ([2.65])dnl
dnl Autoconf wants to disallow AM_ names. We explicitly allow
dnl the ones we care about.
m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
dnl Distinguish between old-style and new-style calls.
m4_ifval([$2],
[AC_DIAGNOSE([obsolete],
-[$0: two- and three-arguments forms are deprecated. For more info, see:
-http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_INIT_AUTOMAKE-invocation])
+ [$0: two- and three-arguments forms are deprecated.])
m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
AC_SUBST([PACKAGE], [$1])dnl
AC_SUBST([VERSION], [$2])],
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
-# We need awk for the "check" target. The system "awk" is bad on
-# some platforms.
+# We need awk for the "check" target (and possibly the TAP driver). The
+# system "awk" is bad on some platforms.
AC_REQUIRE([AC_PROG_AWK])dnl
AC_REQUIRE([AC_PROG_MAKE_SET])dnl
AC_REQUIRE([AM_SET_LEADING_DOT])dnl
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m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
-dnl Support for Objective C++ was only introduced in Autoconf 2.65,
-dnl but we still cater to Autoconf 2.62.
-m4_ifdef([AC_PROG_OBJCXX],
-[AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
[_AM_DEPENDENCIES([OBJCXX])],
[m4_define([AC_PROG_OBJCXX],
- m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])])dnl
+ m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
])
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+AC_REQUIRE([AM_SILENT_RULES])dnl
+dnl The testsuite driver may need to know about EXEEXT, so add the
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AC_CONFIG_COMMANDS_PRE(dnl
[m4_provide_if([_AM_COMPILER_EXEEXT],
[AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
+
+# POSIX will say in a future version that running "rm -f" with no argument
+# is OK; and we want to be able to make that assumption in our Makefile
+# recipes. So use an aggressive probe to check that the usage we want is
+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
+# user can still override this though.
+if rm -f && rm -fr && rm -rf; then : OK; else
+ cat >&2 <<'END'
+Oops!
+
+Your 'rm' program seems unable to run without file operands specified
+on the command line, even when the '-f' option is present. This is contrary
+to the behaviour of most rm programs out there, and not conforming with
+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message. This
+can help us improve future automake versions.
+
+END
+ if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+ echo 'Configuration will proceed anyway, since you have set the' >&2
+ echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+ echo >&2
+ else
+ cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <http://www.gnu.org/software/coreutils/>.
+
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+
+END
+ AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+ fi
+fi
+dnl The trailing newline in this macro's definition is deliberate, for
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])
dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
m4_define([_AC_COMPILER_EXEEXT],
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done
echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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# AM_PROG_INSTALL_SH
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# Define $install_sh.
AC_DEFUN([AM_PROG_INSTALL_SH],
[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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case $am_aux_dir in
*\ * | *\ *)
install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
fi
AC_SUBST([install_sh])])
-# Copyright (C) 2003-2012 Free Software Foundation, Inc.
+# Copyright (C) 2003-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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-# serial 2
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# Check whether the underlying file-system supports filenames
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AC_DEFUN([AM_SET_LEADING_DOT],
# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
# From Jim Meyering
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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# AM_MAINTAINER_MODE([DEFAULT-MODE])
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-AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
-
# Check to see how 'make' treats includes. -*- Autoconf -*-
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
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# AM_MAKE_INCLUDE()
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-])
-
# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
-# Copyright (C) 1997-2012 Free Software Foundation, Inc.
+# Copyright (C) 1997-2014 Free Software Foundation, Inc.
#
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AC_DEFUN([AM_MISSING_PROG],
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# AM_MISSING_HAS_RUN
# ------------------
-# Define MISSING if not defined so far and test if it supports --run.
-# If it does, set am_missing_run to use it, otherwise, to nothing.
+# Define MISSING if not defined so far and test if it is modern enough.
+# If it is, set am_missing_run to use it, otherwise, to nothing.
AC_DEFUN([AM_MISSING_HAS_RUN],
[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([missing])dnl
esac
fi
# Use eval to expand $SHELL
-if eval "$MISSING --run true"; then
- am_missing_run="$MISSING --run "
+if eval "$MISSING --is-lightweight"; then
+ am_missing_run="$MISSING "
else
am_missing_run=
AC_MSG_WARN(['missing' script is too old or missing])
# Helper functions for option handling. -*- Autoconf -*-
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
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# _AM_MANGLE_OPTION(NAME)
# -----------------------
AC_DEFUN([_AM_MANGLE_OPTION],
AC_DEFUN([_AM_IF_OPTION],
[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
-# Check to make sure that the build environment is sane. -*- Autoconf -*-
+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
+# _AM_PROG_CC_C_O
+# ---------------
+# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
+# to automatically call this.
+AC_DEFUN([_AM_PROG_CC_C_O],
+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
+AC_REQUIRE_AUX_FILE([compile])dnl
+AC_LANG_PUSH([C])dnl
+AC_CACHE_CHECK(
+ [whether $CC understands -c and -o together],
+ [am_cv_prog_cc_c_o],
+ [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
+ # Make sure it works both with $CC and with simple cc.
+ # Following AC_PROG_CC_C_O, we do the test twice because some
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+ # though they will create one.
+ am_cv_prog_cc_c_o=yes
+ for am_i in 1 2; do
+ if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
+ && test -f conftest2.$ac_objext; then
+ : OK
+ else
+ am_cv_prog_cc_c_o=no
+ break
+ fi
+ done
+ rm -f core conftest*
+ unset am_i])
+if test "$am_cv_prog_cc_c_o" != yes; then
+ # Losing compiler, so override with the script.
+ # FIXME: It is wrong to rewrite CC.
+ # But if we don't then we get into trouble of one sort or another.
+ # A longer-term fix would be to have automake use am__CC in this case,
+ # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
+ CC="$am_aux_dir/compile $CC"
+fi
+AC_LANG_POP([C])])
+
+# For backward compatibility.
+AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
+
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 9
+# AM_RUN_LOG(COMMAND)
+# -------------------
+# Run COMMAND, save the exit status in ac_status, and log it.
+# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
+AC_DEFUN([AM_RUN_LOG],
+[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
+ ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
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+ echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
+ (exit $ac_status); }])
+
+# Check to make sure that the build environment is sane. -*- Autoconf -*-
+
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
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# AM_SANITY_CHECK
# ---------------
rm -f conftest.file
])
-# Copyright (C) 2009-2012 Free Software Foundation, Inc.
+# Copyright (C) 2009-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 3
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# AM_SILENT_RULES([DEFAULT])
# --------------------------
# Enable less verbose build rules; with the default set to DEFAULT
_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
])
-# Copyright (C) 2001-2012 Free Software Foundation, Inc.
+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 2
-
# AM_PROG_INSTALL_STRIP
# ---------------------
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INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])
-# Copyright (C) 2006-2012 Free Software Foundation, Inc.
+# Copyright (C) 2006-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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# _AM_SUBST_NOTMAKE(VARIABLE)
# ---------------------------
# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
# Check how to create a tarball. -*- Autoconf -*-
-# Copyright (C) 2004-2012 Free Software Foundation, Inc.
+# Copyright (C) 2004-2014 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
-# serial 3
-
# _AM_PROG_TAR(FORMAT)
# --------------------
# Check how to create a tarball in format FORMAT.
# Substitute a variable $(am__untar) that extract such
# a tarball read from stdin.
# $(am__untar) < result.tar
+#
AC_DEFUN([_AM_PROG_TAR],
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- [m4_fatal([Unknown tar format])])
-AC_MSG_CHECKING([how to create a $1 tar archive])
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- plaintar)
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- am__tar_='tar chf - "$tardir"'
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- am__untar='pax -r'
- ;;
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+ [ustar],
+ [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
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+ AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+ if test $am_uid -le $am_max_uid; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ _am_tools=none
+ fi
+ AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+ if test $am_gid -le $am_max_gid; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ _am_tools=none
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+ [pax],
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+ [m4_fatal([Unknown tar format])])
+
+ AC_MSG_CHECKING([how to create a $1 tar archive])
+
+ # Go ahead even if we have the value already cached. We do so because we
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+ _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+
+ for _am_tool in $_am_tools; do
+ case $_am_tool in
+ gnutar)
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+ done
+ am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+ am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+ am__untar="$_am_tar -xf -"
+ ;;
+ plaintar)
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+ am__tar='tar chf - "$$tardir"'
+ am__tar_='tar chf - "$tardir"'
+ am__untar='tar xf -'
+ ;;
+ pax)
+ am__tar='pax -L -x $1 -w "$$tardir"'
+ am__tar_='pax -L -x $1 -w "$tardir"'
+ am__untar='pax -r'
+ ;;
+ cpio)
+ am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+ am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+ am__untar='cpio -i -H $1 -d'
+ ;;
+ none)
+ am__tar=false
+ am__tar_=false
+ am__untar=false
+ ;;
+ esac
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- AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+ # If the value was cached, stop now. We just wanted to have am__tar
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+
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+ mkdir conftest.dir
+ echo GrepMe > conftest.dir/file
+ AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
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+ AM_RUN_LOG([cat conftest.dir/file])
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+ fi
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rm -rf conftest.dir
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-AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
-AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+ AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+ AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+
AC_SUBST([am__tar])
AC_SUBST([am__untar])
]) # _AM_PROG_TAR
m4_include([m4/ac_func_fseeko.m4])
+m4_include([m4/ax_append_flag.m4])
m4_include([m4/ax_c___attribute__.m4])
m4_include([m4/ax_cflags_warn_all.m4])
m4_include([m4/ax_check_compile_flag.m4])
m4_include([m4/ax_compare_version.m4])
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m4_include([m4/ax_cxx_bool.m4])
m4_include([m4/ax_cxx_namespace_std.m4])
m4_include([m4/ax_cxx_namespaces.m4])
m4_include([m4/ax_prefix_config_h.m4])
m4_include([m4/ax_prog_perl_version.m4])
m4_include([m4/ax_pthread.m4])
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m4_include([m4/cxx_have_std_libs.m4])
m4_include([m4/framework.m4])
m4_include([m4/ld-version-script.m4])
m4_include([m4/ltsugar.m4])
m4_include([m4/ltversion.m4])
m4_include([m4/lt~obsolete.m4])
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m4_include([m4/pkg.m4])
projects / imagemagick / blobdiff