diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ac-check-cflags.m4 | 60 | ||||
| -rw-r--r-- | m4/ax_check_enable_debug.m4 | 124 | ||||
| -rw-r--r-- | m4/ax_is_release.m4 | 69 | ||||
| -rw-r--r-- | m4/ax_perl_ext_flags.m4 | 116 | ||||
| -rw-r--r-- | m4/ax_require_defined.m4 | 37 | ||||
| -rw-r--r-- | m4/clang-analyze.am | 8 |
6 files changed, 414 insertions, 0 deletions
diff --git a/m4/ac-check-cflags.m4 b/m4/ac-check-cflags.m4 new file mode 100644 index 00000000..a45b17f0 --- /dev/null +++ b/m4/ac-check-cflags.m4 @@ -0,0 +1,60 @@ +dnl Macros to check the presence of generic (non-typed) symbols. +dnl Copyright (c) 2006-2008 Diego Pettenò <flameeyes@gmail.com> +dnl Copyright (c) 2006-2008 xine project +dnl Copyright (c) 2012 Lucas De Marchi <lucas.de.marchi@gmail.com> +dnl +dnl This program is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 2, or (at your option) +dnl any later version. +dnl +dnl This program is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +dnl GNU General Public License for more details. +dnl +dnl You should have received a copy of the GNU General Public License +dnl along with this program; if not, write to the Free Software +dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +dnl 02110-1301, USA. +dnl +dnl As a special exception, the copyright owners of the +dnl macro gives unlimited permission to copy, distribute and modify the +dnl configure scripts that are the output of Autoconf when processing the +dnl Macro. You need not follow the terms of the GNU General Public +dnl License when using or distributing such scripts, even though portions +dnl of the text of the Macro appear in them. The GNU General Public +dnl License (GPL) does govern all other use of the material that +dnl constitutes the Autoconf Macro. +dnl +dnl This special exception to the GPL applies to versions of the +dnl Autoconf Macro released by this project. When you make and +dnl distribute a modified version of the Autoconf Macro, you may extend +dnl this special exception to the GPL to apply to your modified version as +dnl well. + +dnl Check if FLAG in ENV-VAR is supported by compiler and append it +dnl to WHERE-TO-APPEND variable +dnl CC_CHECK_FLAG_APPEND([WHERE-TO-APPEND], [ENV-VAR], [FLAG]) + +AC_DEFUN([CC_CHECK_FLAG_APPEND], [ + AC_CACHE_CHECK([if $CC supports flag $3 in envvar $2], + AS_TR_SH([cc_cv_$2_$3]), + [eval "AS_TR_SH([cc_save_$2])='${$2}'" + eval "AS_TR_SH([$2])='$3'" + AC_COMPILE_IFELSE([AC_LANG_SOURCE([int a = 0; int main(void) { return a; } ])], + [eval "AS_TR_SH([cc_cv_$2_$3])='yes'"], + [eval "AS_TR_SH([cc_cv_$2_$3])='no'"]) + eval "AS_TR_SH([$2])='$cc_save_$2'"]) + + AS_IF([eval test x$]AS_TR_SH([cc_cv_$2_$3])[ = xyes], + [eval "$1='${$1} $3'"]) +]) + +dnl CC_CHECK_FLAGS_APPEND([WHERE-TO-APPEND], [ENV-VAR], [FLAG1 FLAG2]) +AC_DEFUN([CC_CHECK_FLAGS_APPEND], [ + for flag in $3; do + CC_CHECK_FLAG_APPEND($1, $2, $flag) + done +]) + diff --git a/m4/ax_check_enable_debug.m4 b/m4/ax_check_enable_debug.m4 new file mode 100644 index 00000000..f99d75fe --- /dev/null +++ b/m4/ax_check_enable_debug.m4 @@ -0,0 +1,124 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_check_enable_debug.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_ENABLE_DEBUG([enable by default=yes/info/profile/no], [ENABLE DEBUG VARIABLES ...], [DISABLE DEBUG VARIABLES NDEBUG ...], [IS-RELEASE]) +# +# DESCRIPTION +# +# Check for the presence of an --enable-debug option to configure, with +# the specified default value used when the option is not present. Return +# the value in the variable $ax_enable_debug. +# +# Specifying 'yes' adds '-g -O0' to the compilation flags for all +# languages. Specifying 'info' adds '-g' to the compilation flags. +# Specifying 'profile' adds '-g -pg' to the compilation flags and '-pg' to +# the linking flags. Otherwise, nothing is added. +# +# Define the variables listed in the second argument if debug is enabled, +# defaulting to no variables. Defines the variables listed in the third +# argument if debug is disabled, defaulting to NDEBUG. All lists of +# variables should be space-separated. +# +# If debug is not enabled, ensure AC_PROG_* will not add debugging flags. +# Should be invoked prior to any AC_PROG_* compiler checks. +# +# IS-RELEASE can be used to change the default to 'no' when making a +# release. Set IS-RELEASE to 'yes' or 'no' as appropriate. 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. +# +# AX_IS_RELEASE([git-directory]) +# AX_CHECK_ENABLE_DEBUG() +# +# LICENSE +# +# Copyright (c) 2011 Rhys Ulerich <rhys.ulerich@gmail.com> +# 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. + +#serial 5 + +AC_DEFUN([AX_CHECK_ENABLE_DEBUG],[ + AC_BEFORE([$0],[AC_PROG_CC])dnl + AC_BEFORE([$0],[AC_PROG_CXX])dnl + AC_BEFORE([$0],[AC_PROG_F77])dnl + AC_BEFORE([$0],[AC_PROG_FC])dnl + + AC_MSG_CHECKING(whether to enable debugging) + + ax_enable_debug_default=m4_tolower(m4_normalize(ifelse([$1],,[no],[$1]))) + ax_enable_debug_is_release=m4_tolower(m4_normalize(ifelse([$4],, + [$ax_is_release], + [$4]))) + + # If this is a release, override the default. + AS_IF([test "$ax_enable_debug_is_release" = "yes"], + [ax_enable_debug_default="no"]) + + m4_define(ax_enable_debug_vars,[m4_normalize(ifelse([$2],,,[$2]))]) + m4_define(ax_disable_debug_vars,[m4_normalize(ifelse([$3],,[NDEBUG],[$3]))]) + + AC_ARG_ENABLE(debug, + [AS_HELP_STRING([--enable-debug=]@<:@yes/info/profile/no@:>@,[compile with debugging])], + [],enable_debug=$ax_enable_debug_default) + + # empty mean debug yes + AS_IF([test "x$enable_debug" = "x"], + [enable_debug="yes"]) + + # case of debug + AS_CASE([$enable_debug], + [yes],[ + AC_MSG_RESULT(yes) + CFLAGS="${CFLAGS} -g -O0" + CXXFLAGS="${CXXFLAGS} -g -O0" + FFLAGS="${FFLAGS} -g -O0" + FCFLAGS="${FCFLAGS} -g -O0" + OBJCFLAGS="${OBJCFLAGS} -g -O0" + ], + [info],[ + AC_MSG_RESULT(info) + CFLAGS="${CFLAGS} -g" + CXXFLAGS="${CXXFLAGS} -g" + FFLAGS="${FFLAGS} -g" + FCFLAGS="${FCFLAGS} -g" + OBJCFLAGS="${OBJCFLAGS} -g" + ], + [profile],[ + AC_MSG_RESULT(profile) + CFLAGS="${CFLAGS} -g -pg" + CXXFLAGS="${CXXFLAGS} -g -pg" + FFLAGS="${FFLAGS} -g -pg" + FCFLAGS="${FCFLAGS} -g -pg" + OBJCFLAGS="${OBJCFLAGS} -g -pg" + LDFLAGS="${LDFLAGS} -pg" + ], + [ + AC_MSG_RESULT(no) + dnl Ensure AC_PROG_CC/CXX/F77/FC/OBJC will not enable debug flags + dnl by setting any unset environment flag variables + AS_IF([test "x${CFLAGS+set}" != "xset"], + [CFLAGS=""]) + AS_IF([test "x${CXXFLAGS+set}" != "xset"], + [CXXFLAGS=""]) + AS_IF([test "x${FFLAGS+set}" != "xset"], + [FFLAGS=""]) + AS_IF([test "x${FCFLAGS+set}" != "xset"], + [FCFLAGS=""]) + AS_IF([test "x${OBJCFLAGS+set}" != "xset"], + [OBJCFLAGS=""]) + ]) + + dnl Define various variables if debugging is disabled. + dnl assert.h is a NOP if NDEBUG is defined, so define it by default. + AS_IF([test "x$enable_debug" = "xyes"], + [m4_map_args_w(ax_enable_debug_vars, [AC_DEFINE(], [,,[Define if debugging is enabled])])], + [m4_map_args_w(ax_disable_debug_vars, [AC_DEFINE(], [,,[Define if debugging is disabled])])]) + ax_enable_debug=$enable_debug +]) diff --git a/m4/ax_is_release.m4 b/m4/ax_is_release.m4 new file mode 100644 index 00000000..9ec67469 --- /dev/null +++ b/m4/ax_is_release.m4 @@ -0,0 +1,69 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_is_release.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_IS_RELEASE(POLICY) +# +# DESCRIPTION +# +# Determine whether the code is being configured as a release, or from +# git. Set the ax_is_release variable to 'yes' or 'no'. +# +# If building a release version, it is recommended that the configure +# script disable compiler errors and debug features, by conditionalising +# them on the ax_is_release variable. If building from git, these +# features should be enabled. +# +# The POLICY parameter specifies how ax_is_release is determined. It can +# take the following values: +# +# * git-directory: ax_is_release will be 'no' if a '.git' directory exists +# * minor-version: ax_is_release will be 'no' if the minor version number +# in $PACKAGE_VERSION is odd; this assumes +# $PACKAGE_VERSION follows the 'major.minor.micro' scheme +# * micro-version: ax_is_release will be 'no' if the micro version number +# in $PACKAGE_VERSION is odd; this assumes +# $PACKAGE_VERSION follows the 'major.minor.micro' scheme +# * always: ax_is_release will always be 'yes' +# * never: ax_is_release will always be 'no' +# +# Other policies may be added in future. +# +# 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. + +#serial 3 + +AC_DEFUN([AX_IS_RELEASE],[ + AC_BEFORE([AC_INIT],[$0]) + + m4_case([$1], + [git-directory],[ + # $is_release = (.git directory does not exist) + AS_IF([test -d .git],[ax_is_release=no],[ax_is_release=yes]) + ], + [minor-version],[ + # $is_release = ($minor_version is even) + minor_version=`echo "$PACKAGE_VERSION" | sed 's/[[^.]][[^.]]*.\([[^.]][[^.]]*\).*/\1/'` + AS_IF([test "$(( $minor_version % 2 ))" -ne 0], + [ax_is_release=no],[ax_is_release=yes]) + ], + [micro-version],[ + # $is_release = ($micro_version is even) + micro_version=`echo "$PACKAGE_VERSION" | sed 's/[[^.]]*\.[[^.]]*\.\([[^.]]*\).*/\1/'` + AS_IF([test "$(( $micro_version % 2 ))" -ne 0], + [ax_is_release=no],[ax_is_release=yes]) + ], + [always],[ax_is_release=yes], + [never],[ax_is_release=no], + [ + AC_MSG_ERROR([Invalid policy. Valid policies: git-directory, minor-version.]) + ]) +]) diff --git a/m4/ax_perl_ext_flags.m4 b/m4/ax_perl_ext_flags.m4 new file mode 100644 index 00000000..03f16435 --- /dev/null +++ b/m4/ax_perl_ext_flags.m4 @@ -0,0 +1,116 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_perl_ext_flags.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_PERL_EXT_FLAGS([CFLAGS-VARIABLE], [LDFLAGS-VARIABLE], [EXTRA-MODULES]) +# AX_PERL_EXT_CFLAGS([CFLAGS-VARIABLE]) +# AX_PERL_EXT_LDFLAGS([LDFLAGS-VARIABLE], [EXTRA-MODULES]) +# +# DESCRIPTION +# +# Fetches the linker flags and C compiler flags for compiling and linking +# programs that embed a Perl interpreter. If the EXTRA-MODULES argument is +# submitted, it is a space separated list of extra modules to link. The +# flags will be stored in the provided variables. +# +# Examples: +# +# AX_PERL_EXT_FLAGS([PERLXS_CFLAGS], [PERLXS_LDFLAGS]) +# AC_SUBST([PERLXS_CFLAGS]) +# AC_SUBST([PERLXS_LDFLAGS]) +# +# AX_PERL_EXT_CFLAGS([PERLXS_CFLAGS]) +# AC_SUBST([PERLXS_CFLAGS]) +# +# AX_PERL_EXT_LDFLAGS([PERLXS_LDFLAGS], [-std Socket]) +# +# LICENSE +# +# Copyright (c) 2009 Mats Kindahl of Sun Microsystems <mats@sun.com> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, +# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. + +#serial 5 + +AC_DEFUN([AX_PERL_EXT_CFLAGS], +[AC_CHECK_PROG(PERL,perl,perl) + _AX_PERL_EXT_MODULE_CHECK([ExtUtils::Embed], [have_embed=yes], + [have_embed=no]) + AS_IF([test $have_embed = no], + AC_MSG_ERROR([Require ExtUtils::Embed to proceed])) + _AX_PERL_EXT_EMBED_CHECK([$1],[ccopts]) +]) + + +AC_DEFUN([AX_PERL_EXT_LDFLAGS], +[AC_CHECK_PROG(PERL,perl,perl) + _AX_PERL_EXT_MODULE_CHECK([ExtUtils::Embed], [have_embed=yes], + [have_embed=no]) + AS_IF([test $have_embed = no], + AC_MSG_ERROR([Require ExtUtils::Embed to proceed])) + _AX_PERL_EXT_EMBED_CHECK([$1],[ldopts],[$2]) +]) + + +AC_DEFUN([AX_PERL_EXT_FLAGS], +[AC_CHECK_PROG(PERL,perl,perl) + _AX_PERL_EXT_MODULE_CHECK([ExtUtils::Embed], [have_embed=yes], + [have_embed=no]) + AS_IF([test $have_embed = no], + AC_MSG_ERROR([Require ExtUtils::Embed to proceed])) + _AX_PERL_EXT_EMBED_CHECK([$1],[ccopts]) + _AX_PERL_EXT_EMBED_CHECK([$2],[ldopts],[$3]) +]) + + +dnl _AX_PERL_EXT_MODULE_CHECK(MODULE-NAME, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND) +dnl +dnl Check for the existance of the perl module given by MODULE-NAME. +dnl +AC_DEFUN([_AX_PERL_EXT_MODULE_CHECK], +[AC_MSG_CHECKING([for perl module $1]) + $PERL "-M$1" -e exit > /dev/null 2>&1 + AS_IF([test $? -eq 0], + [AC_MSG_RESULT(yes) + $2], + [AC_MSG_RESULT(no) + $3]) +]) + +dnl _AX_PERL_EXT_EMBED_CHECK(VARIABLE, COMMAND, [EXTRA-FLAGS]) Use +dnl +dnl ExtUtils::Embed fetch flags for embedding Perl in a C/C++ +dnl application +dnl +AC_DEFUN([_AX_PERL_EXT_EMBED_CHECK], +[AC_MSG_CHECKING([for perl $2 embed flags]) + ax_c_perlxs_extras="$3" + $1=`$PERL -MExtUtils::Embed -e $2 ${ax_c_perlxs_extras:+"-- $3"}` + AC_MSG_RESULT($$1) +]) diff --git a/m4/ax_require_defined.m4 b/m4/ax_require_defined.m4 new file mode 100644 index 00000000..cae11112 --- /dev/null +++ b/m4/ax_require_defined.m4 @@ -0,0 +1,37 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_require_defined.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_REQUIRE_DEFINED(MACRO) +# +# DESCRIPTION +# +# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have +# been defined and thus are available for use. This avoids random issues +# where a macro isn't expanded. Instead the configure script emits a +# non-fatal: +# +# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found +# +# It's like AC_REQUIRE except it doesn't expand the required macro. +# +# Here's an example: +# +# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) +# +# LICENSE +# +# Copyright (c) 2014 Mike Frysinger <vapier@gentoo.org> +# +# 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 1 + +AC_DEFUN([AX_REQUIRE_DEFINED], [dnl + m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) +])dnl AX_REQUIRE_DEFINED diff --git a/m4/clang-analyze.am b/m4/clang-analyze.am new file mode 100644 index 00000000..a5765774 --- /dev/null +++ b/m4/clang-analyze.am @@ -0,0 +1,8 @@ +analysis_verbose = $(analysis_verbose_$(V)) +analysis_verbose_ = $(analysis_verbose_$(AM_DEFAULT_VERBOSITY)) +analysis_verbose_0 = @echo " CCSA " $@; $(COMPILE) --analyze $< -o $@; +analysis_verbose_1 = $(COMPILE) --analyze $< -o $@; + +%.plist: %.c + $(analysis_verbose) + |