lyx_mirror/config/lyxinclude.m4
2012-07-04 12:18:15 +02:00

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dnl Some useful functions for LyXs configure.in -*- sh -*-
dnl Author: Jean-Marc Lasgouttes (Jean-Marc.Lasgouttes@inria.fr)
dnl Lars Gullik Bjønnes (larsbj@lyx.org)
dnl Allan Rae (rae@lyx.org)
dnl Usage LYX_CHECK_VERSION Displays version of LyX being built and
dnl sets variable "build_type"
AC_DEFUN([LYX_CHECK_VERSION],[
echo "configuring LyX version" AC_PACKAGE_VERSION
lyx_devel_version=no
lyx_prerelease=no
AC_MSG_CHECKING([for build type])
AC_ARG_ENABLE(build-type,
AC_HELP_STRING([--enable-build-type=TYPE],[set build setting according to TYPE=rel(ease), pre(release), dev(elopment), prof(iling), gprof]),
[case $enableval in
dev*) build_type=development;;
pre*) build_type=prerelease;;
prof*) build_type=profiling;;
gprof*) build_type=gprof;;
rel*) build_type=release;;
*) AC_ERROR([Bad build type specification \"$enableval\". Please use one of rel(ease), pre(release), dev(elopment), prof(iling), or gprof]);;
esac],
[case AC_PACKAGE_VERSION in
*svn*|*dev*) build_type=development;;
*pre*|*alpha*|*beta*|*rc*) build_type=prerelease;;
*) build_type=release ;;
esac])
AC_MSG_RESULT([$build_type])
lyx_flags="$lyx_flags build=$build_type"
case $build_type in
development) lyx_devel_version=yes
AC_DEFINE(DEVEL_VERSION, 1, [Define if you are building a development version of LyX])
LYX_DATE="not released yet" ;;
prerelease) lyx_prerelease=yes ;;
esac
AC_SUBST(lyx_devel_version)
])
dnl Define the option to set a LyX version on installed executables and directories
dnl
dnl
AC_DEFUN([LYX_VERSION_SUFFIX],[
AC_MSG_CHECKING([for version suffix])
dnl We need the literal double quotes in the rpm spec file
RPM_VERSION_SUFFIX='""'
AC_ARG_WITH(version-suffix,
[AC_HELP_STRING([--with-version-suffix@<:@=VERSION@:>@], install lyx files as lyxVERSION (VERSION=-AC_PACKAGE_VERSION))],
[if test "x$withval" = "xyes";
then
withval="-"AC_PACKAGE_VERSION
ac_configure_args=`echo "$ac_configure_args" | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
fi
AC_SUBST(version_suffix,$withval)
RPM_VERSION_SUFFIX="--with-version-suffix=$withval"])
AC_SUBST(RPM_VERSION_SUFFIX)
AC_MSG_RESULT([$withval])
])
dnl Usage: LYX_ERROR(message) Displays the warning "message" and sets the
dnl flag lyx_error to yes.
AC_DEFUN([LYX_ERROR],[
lyx_error_txt="$lyx_error_txt
** $1
"
lyx_error=yes])
dnl Usage: LYX_WARNING(message) Displays the warning "message" and sets the
dnl flag lyx_warning to yes.
AC_DEFUN([LYX_WARNING],[
lyx_warning_txt="$lyx_warning_txt
== $1
"
lyx_warning=yes])
dnl Usage: LYX_LIB_ERROR(file,library) Displays an error message indication
dnl that 'file' cannot be found because 'lib' may be uncorrectly installed.
AC_DEFUN([LYX_LIB_ERROR],[
LYX_ERROR([Cannot find $1. Please check that the $2 library
is correctly installed on your system.])])
dnl Usage: LYX_CHECK_ERRORS Displays a warning message if a LYX_ERROR
dnl has occured previously.
AC_DEFUN([LYX_CHECK_ERRORS],[
if test x$lyx_warning = xyes; then
cat <<EOF
=== The following minor problems have been detected by configure.
=== Please check the messages below before running 'make'.
=== (see the section 'Problems' in the INSTALL file)
$lyx_warning_txt
EOF
fi
if test x$lyx_error = xyes; then
cat <<EOF
**** The following problems have been detected by configure.
**** Please check the messages below before running 'make'.
**** (see the section 'Problems' in the INSTALL file)
$lyx_error_txt
$lyx_warning_txt
EOF
exit 1
else
cat <<EOF
Configuration of LyX was successful.
Type 'make' to compile the program,
and then 'make install' to install it.
EOF
fi])
dnl LYX_SEARCH_PROG(VARIABLE-NAME,PROGRAMS-LIST,ACTION-IF-FOUND)
dnl
define(LYX_SEARCH_PROG,[dnl
for ac_prog in $2 ; do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog ; ac_word=$[2]
if test -z "[$]$1"; then
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f [$ac_dir/$ac_word]; then
$1="$ac_prog"
break
fi
done
IFS="$ac_save_ifs"
fi
if test -n "[$]$1"; then
ac_result=yes
else
ac_result=no
fi
ifelse($3,,,[$3])
test -n "[$]$1" && break
done
])dnl
AC_DEFUN([LYX_PROG_CXX_WORKS],
[rm -f conftest.C
cat >conftest.C <<EOF
class foo {
// we require the mutable keyword
mutable int bar;
};
// we require namespace support
namespace baz {
int bar;
}
int main() {
return(0);
}
EOF
$CXX -c $CXXFLAGS $CPPFLAGS conftest.C >&5 || CXX=
rm -f conftest.C conftest.o conftest.obj || true
])
AC_DEFUN([LYX_PROG_CXX],
[AC_MSG_CHECKING([for a good enough C++ compiler])
LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS])
if test -z "$CXX" ; then
AC_MSG_ERROR([Unable to find a good enough C++ compiler])
fi
AC_MSG_RESULT($CXX)
AC_PROG_CXX
AC_PROG_CXXCPP
### We might want to get or shut warnings.
AC_ARG_ENABLE(warnings,
AC_HELP_STRING([--enable-warnings],[tell the compiler to display more warnings]),,
[ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
enable_warnings=yes;
else
enable_warnings=no;
fi;])
if test x$enable_warnings = xyes ; then
lyx_flags="$lyx_flags warnings"
fi
### We might want to disable debug
AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug],[enable debug information]),,
[AS_CASE([$build_type], [rel*], [enable_debug=no], [enable_debug=yes])]
)
AC_ARG_ENABLE(stdlib-debug,
AC_HELP_STRING([--enable-stdlib-debug],[enable debug mode in the standard library]),,
[AS_CASE([$build_type], [dev*], [enable_stdlib_debug=yes],
[enable_stdlib_debug=no])]
)
AC_ARG_ENABLE(concept-checks,
AC_HELP_STRING([--enable-concept-checks],[enable concept checks]),,
[AS_CASE([$build_type], [dev*|pre*], [enable_concept_checks=yes],
[enable_concept_checks=no])]
)
AC_ARG_ENABLE(gprof,
AC_HELP_STRING([--enable-gprof],[enable profiling using gprof]),,
[AS_CASE([$build_type], [gprof], [enable_gprof=yes], [enable_gprof=no])]
)
### set up optimization
AC_ARG_ENABLE(optimization,
AC_HELP_STRING([--enable-optimization[=value]],[enable compiler optimisation]),,
enable_optimization=yes;)
case $enable_optimization in
yes)
if test $lyx_devel_version = yes ; then
lyx_opt=-O
else
lyx_opt=-O2
fi;;
no) lyx_opt=;;
*) lyx_opt=${enable_optimization};;
esac
AC_ARG_ENABLE(pch,
AC_HELP_STRING([--enable-pch],[enable precompiled headers]),,
enable_pch=no;)
lyx_pch_comp=no
AC_ARG_ENABLE(assertions,
AC_HELP_STRING([--enable-assertions],[add runtime sanity checks in the program]),,
[AS_CASE([$build_type], [dev*|pre*], [enable_assertions=yes],
[enable_assertions=no])]
)
if test "x$enable_assertions" = xyes ; then
lyx_flags="$lyx_flags assertions"
AC_DEFINE(ENABLE_ASSERTIONS,1,
[Define if you want assertions to be enabled in the code])
fi
# set the compiler options correctly.
if test x$GXX = xyes; then
dnl Useful for global version info
gxx_version=`${CXX} -dumpversion`
CXX_VERSION="($gxx_version)"
if test "$ac_test_CXXFLAGS" = set; then
CXXFLAGS="$ac_save_CXXFLAGS"
else
CFLAGS="$lyx_opt"
CXXFLAGS="$lyx_opt"
if test x$enable_debug = xyes ; then
CFLAGS="-g $CFLAGS"
CXXFLAGS="-g $CXXFLAGS"
fi
if test x$enable_gprof = xyes ; then
CFLAGS="-pg $CFLAGS"
CXXFLAGS="-pg $CXXFLAGS"
LDFLAGS="-pg $LDFLAGS"
fi
fi
if test "$ac_env_CPPFLAGS_set" != set; then
if test x$enable_warnings = xyes ; then
case $gxx_version in
3.1*|3.2*|3.3*)
CPPFLAGS="-W -Wall $CPPFLAGS"
;;
*)
CPPFLAGS="-Wextra -Wall $CPPFLAGS "
;;
esac
fi
fi
case $gxx_version in
3.1*) AM_CXXFLAGS="-finline-limit=500 ";;
3.2*|3.3*) AM_CXXFLAGS="";;
3.4*|4.*)
AM_CXXFLAGS=""
test $enable_pch = yes && lyx_pch_comp=yes
;;
*) AM_CXXFLAGS="";;
esac
if test x$enable_stdlib_debug = xyes ; then
case $gxx_version in
3.4*|4.*)
lyx_flags="$lyx_flags stdlib-debug"
AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
;;
esac
fi
if test x$enable_concept_checks = xyes ; then
case $gxx_version in
3.3*)
lyx_flags="$lyx_flags concept-checks"
AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
;;
3.4*|4.*)
lyx_flags="$lyx_flags concept-checks"
AC_DEFINE(_GLIBCXX_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
;;
esac
fi
fi
test "$lyx_pch_comp" = yes && lyx_flags="$lyx_flags pch"
AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes)
])dnl
dnl Usage: LYX_USE_INCLUDED_BOOST : select if the included boost should
dnl be used.
AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
AC_MSG_CHECKING([whether to use included boost library])
AC_ARG_WITH(included-boost,
[AC_HELP_STRING([--without-included-boost], [do not use the boost lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])],
[lyx_cv_with_included_boost=$withval],
[lyx_cv_with_included_boost=yes])
AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
AC_MSG_RESULT([$lyx_cv_with_included_boost])
if test x$lyx_cv_with_included_boost != xyes ; then
AC_LANG_PUSH(C++)
SAVED_LDFLAGS=$LDFLAGS
LDFLAGS="$SAVED_LDFLAGS -lboost_signals -lm"
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <boost/signal.hpp>], [boost::signal<void ()> s;])], [lyx_boost_underscore=yes], [])
LDFLAGS="$SAVED_LDFLAGS -lboost_signals-mt -lm $LIBTHREAD"
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <boost/signal.hpp>], [boost::signal<void ()> s;])], [lyx_boost_underscore_mt=yes], [])
LDFLAGS=$SAVED_LDFLAGS
AC_LANG_POP(C++)
if test x$lyx_boost_underscore_mt = xyes ; then
BOOST_MT="-mt"
else
BOOST_MT=""
if test x$lyx_boost_plain != xyes -a x$lyx_boost_underscore != xyes ; then
LYX_ERROR([No suitable boost library found (do not use --without-included-boost)])
fi
fi
AC_SUBST(BOOST_SEP)
AC_SUBST(BOOST_MT)
fi
])
dnl Usage: LYX_USE_INCLUDED_MYTHES : select if the included MyThes should
dnl be used.
AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[
AC_MSG_CHECKING([whether to use included MyThes library])
AC_ARG_WITH(included-mythes,
[AC_HELP_STRING([--without-included-mythes], [do not use the MyThes lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])],
[lyx_cv_with_included_mythes=$withval],
[lyx_cv_with_included_mythes=yes])
AM_CONDITIONAL(USE_INCLUDED_MYTHES, test x$lyx_cv_with_included_mythes = xyes)
AC_MSG_RESULT([$lyx_cv_with_included_mythes])
if test x$lyx_cv_with_included_mythes != xyes ; then
AC_LANG_PUSH(C++)
AC_CHECK_HEADER(mythes.hxx,[ac_cv_header_mythes_h=yes lyx_cv_mythes_h_location="<mythes.hxx>"])
if test x$ac_cv_header_mythes_h != xyes; then
AC_CHECK_HEADER(mythes/mythes.hxx,[ac_cv_header_mythes_h=yes lyx_cv_mythes_h_location="<mythes/mythes.hxx>"])
fi
AC_CHECK_LIB(mythes, main, [MYTHES_LIBS="-lmythes" lyx_mythes=yes], [lyx_mythes=no], [-lm])
if test x$lyx_mythes != xyes; then
AC_CHECK_LIB(mythes-1.2, main, [MYTHES_LIBS="-lmythes-1.2" lyx_mythes=yes], [lyx_mythes=no], [-lm])
fi
AC_LANG_POP(C++)
if test x$lyx_mythes != xyes -o x$ac_cv_header_mythes_h != xyes; then
LYX_ERROR([No suitable MyThes library found (do not use --without-included-mythes)])
fi
AC_DEFINE(USE_EXTERNAL_MYTHES, 1, [Define as 1 to use an external MyThes library])
AC_DEFINE_UNQUOTED(MYTHES_H_LOCATION,$lyx_cv_mythes_h_location,[Location of mythes.hxx])
AC_SUBST(MYTHES_LIBS)
fi
])
dnl Usage: LYX_WITH_DIR(dir-name,desc,dir-var-name,default-value,
dnl [default-yes-value])
dnl Adds a --with-'dir-name' option (described by 'desc') and puts the
dnl resulting directory name in 'dir-var-name'.
AC_DEFUN([LYX_WITH_DIR],[
AC_ARG_WITH($1,[AC_HELP_STRING([--with-$1],[specify $2])])
AC_MSG_CHECKING([for $2])
if test -z "$with_$3"; then
AC_CACHE_VAL(lyx_cv_$3, lyx_cv_$3=$4)
else
test "x$with_$3" = xyes && with_$3=$5
lyx_cv_$3="$with_$3"
fi
AC_MSG_RESULT($lyx_cv_$3)])
dnl Usage: LYX_LOOP_DIR(value,action)
dnl Executes action for values of variable `dir' in `values'. `values' can
dnl use ":" as a separator.
AC_DEFUN([LYX_LOOP_DIR],[
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for dir in `eval "echo $1"`; do
if test ! "$dir" = NONE; then
test ! -d "$dir" && AC_MSG_ERROR([\"$dir\" is not a directory])
$2
fi
done
IFS=$ac_save_ifs
])
dnl Usage: LYX_ADD_LIB_DIR(var-name,dir) Adds a -L directive to variable
dnl var-name.
AC_DEFUN([LYX_ADD_LIB_DIR],[
$1="${$1} -L$2"
if test "`(uname) 2>/dev/null`" = SunOS &&
uname -r | grep '^5' >/dev/null; then
if test $ac_cv_prog_gxx = yes ; then
$1="${$1} -Wl[,]-R$2"
else
$1="${$1} -R$2"
fi
fi])
dnl Usage: LYX_ADD_INC_DIR(var-name,dir) Adds a -I directive to variable
dnl var-name.
AC_DEFUN([LYX_ADD_INC_DIR],[$1="${$1} -I$2 "])
### Check for a headers existence and location iff it exists
## This is supposed to be a generalised version of LYX_STL_STRING_FWD
## It almost works. I've tried a few variations but they give errors
## of one sort or other: bad substitution or file not found etc. The
## actual header _is_ found though and the cache variable is set however
## the reported setting (on screen) is equal to $ac_safe for some unknown
## reason.
## Additionally, autoheader can't figure out what to use as the name in
## the config.h.in file so we need to write our own entries there -- one for
## each header in the form PATH_HEADER_NAME_H
##
AC_DEFUN([LYX_PATH_HEADER],
[ AC_CHECK_HEADER($1,[
ac_tr_safe=PATH_`echo $ac_safe | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
### the only remaining problem is getting the second parameter to this
### AC_CACHE_CACHE to print correctly. Currently it just results in value
### of $ac_safe being printed.
AC_CACHE_CHECK([path to $1],[lyx_cv_path2_$ac_safe],
[ cat > conftest.$ac_ext <<EOF
#line __oline__ "configure"
#include "confdefs.h"
#include <$1>
EOF
lyx_path_header_path=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
grep $1 2>/dev/null | \
sed -e 's/.*\(".*$1"\).*/\1/' -e "1q"`
eval "lyx_cv_path2_${ac_safe}=\$lyx_path_header_path"
rm -f conftest*])
AC_DEFINE_UNQUOTED($ac_tr_safe, $lyx_path_header_path, [dummy])])
])
### end of LYX_PATH_HEADER
### Check which frontends we want to use.
###
AC_DEFUN([LYX_USE_FRONTENDS],
[AC_MSG_CHECKING([what frontend should be used for the GUI])
AC_ARG_WITH(frontend,
[AC_HELP_STRING([--with-frontend=THIS], [use THIS frontend as main GUI:
Possible values: qt4])],
[FRONTENDS="$withval"],[FRONTENDS="qt4"])
if test "x$FRONTENDS" = x ; then
AC_MSG_RESULT(none)
AC_ERROR("Please select a frontend using --with-frontend")
fi
AC_MSG_RESULT($FRONTENDS)
AC_SUBST(FRONTENDS)
AC_SUBST(FRONTENDS_SUBDIRS)
AC_SUBST(FRONTENDS_PROGS)
])
## Check what kind of packaging should be used at install time.
## The default is autodetected.
AC_DEFUN([LYX_USE_PACKAGING],
[AC_MSG_CHECKING([what packaging should be used])
AC_ARG_WITH(packaging,
[AC_HELP_STRING([--with-packaging=THIS], [use THIS packaging for installation:
Possible values: posix, windows, macosx])],
[lyx_use_packaging="$withval"], [
case $host in
*-apple-darwin*) lyx_use_packaging=macosx ;;
*-pc-mingw32*) lyx_use_packaging=windows;;
*) lyx_use_packaging=posix;;
esac])
AC_MSG_RESULT($lyx_use_packaging)
lyx_install_macosx=false
lyx_install_cygwin=false
lyx_install_windows=false
case $lyx_use_packaging in
macosx) AC_DEFINE(USE_MACOSX_PACKAGING, 1, [Define to 1 if LyX should use a MacOS X application bundle file layout])
PACKAGE=LyX${version_suffix}
default_prefix="/Applications/${PACKAGE}.app"
bindir='${prefix}/Contents/MacOS'
libdir='${prefix}/Contents/Resources'
datarootdir='${prefix}/Contents/Resources'
pkgdatadir='${datadir}'
mandir='${datadir}/man'
lyx_install_macosx=true ;;
windows) AC_DEFINE(USE_WINDOWS_PACKAGING, 1, [Define to 1 if LyX should use a Windows-style file layout])
PACKAGE=LyX${version_suffix}
default_prefix="C:/Program Files/${PACKAGE}"
bindir='${prefix}/bin'
libdir='${prefix}/Resources'
datarootdir='${prefix}/Resources'
pkgdatadir='${datadir}'
mandir='${prefix}/Resources/man'
lyx_install_windows=true ;;
posix) AC_DEFINE(USE_POSIX_PACKAGING, 1, [Define to 1 if LyX should use a POSIX-style file layout])
PACKAGE=lyx${version_suffix}
program_suffix=$version_suffix
pkgdatadir='${datadir}/${PACKAGE}'
default_prefix=$ac_default_prefix
case ${host} in
*cygwin*) lyx_install_cygwin=true ;;
*apple-darwin*) lyx_install_macosx=true ;;
esac
lyx_install_posix=true ;;
*) LYX_ERROR([Unknown packaging type $lyx_use_packaging]) ;;
esac
AM_CONDITIONAL(INSTALL_MACOSX, $lyx_install_macosx)
AM_CONDITIONAL(INSTALL_WINDOWS, $lyx_install_windows)
AM_CONDITIONAL(INSTALL_CYGWIN, $lyx_install_cygwin)
AM_CONDITIONAL(INSTALL_POSIX, $lyx_install_posix)
dnl Next two lines are only for autoconf <= 2.59
datadir='${datarootdir}'
AC_SUBST(datarootdir)
AC_SUBST(pkgdatadir)
AC_SUBST(program_suffix)
])
## ------------------------------------------------------------------------
## Check whether mkdir() is mkdir or _mkdir, and whether it takes
## one or two arguments.
##
## http://ac-archive.sourceforge.net/C_Support/ac_func_mkdir.html
## ------------------------------------------------------------------------
##
AC_DEFUN([AC_FUNC_MKDIR],
[AC_CHECK_FUNCS([mkdir _mkdir])
AC_CACHE_CHECK([whether mkdir takes one argument],
[ac_cv_mkdir_takes_one_arg],
[AC_TRY_COMPILE([
#include <sys/stat.h>
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
], [mkdir (".");],
[ac_cv_mkdir_takes_one_arg=yes], [ac_cv_mkdir_takes_one_arg=no])])
if test x"$ac_cv_mkdir_takes_one_arg" = xyes; then
AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
[Define if mkdir takes only one argument.])
fi
])
dnl Set VAR to the canonically resolved absolute equivalent of PATHNAME,
dnl (which may be a relative path, and need not refer to any existing
dnl entity).
dnl On Win32-MSYS build hosts, the returned path is resolved to its true
dnl native Win32 path name, (but with slashes, not backslashes).
dnl On any other system, it is simply the result which would be obtained
dnl if PATHNAME represented an existing directory, and the pwd command was
dnl executed in that directory.
AC_DEFUN([MSYS_AC_CANONICAL_PATH],
[ac_dir="$2"
( exec 2>/dev/null; cd / && pwd -W ) | grep ':' >/dev/null &&
ac_pwd_w="pwd -W" || ac_pwd_w=pwd
until ac_val=`exec 2>/dev/null; cd "$ac_dir" && $ac_pwd_w`
do
ac_dir=`AS_DIRNAME(["$ac_dir"])`
done
ac_dir=`echo "$ac_dir" | sed 's?^[[./]]*??'`
ac_val=`echo "$ac_val" | sed 's?/*$[]??'`
$1=`echo "$2" | sed "s?^[[./]]*$ac_dir/*?$ac_val/?"'
s?/*$[]??'`
])
dnl this is used by the macro blow to general a proper config.h.in entry
m4_define([LYX_AH_CHECK_DECL],
[AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_$1),
[Define if you have the prototype for function `$1'])])
dnl Check things are declared in headers to avoid errors or warnings.
dnl Called like LYX_CHECK_DECL(function, header1 header2...)
dnl Defines HAVE_DECL_{FUNCTION}
AC_DEFUN([LYX_CHECK_DECL],
[LYX_AH_CHECK_DECL($1)
for ac_header in $2
do
AC_MSG_CHECKING([if $1 is declared by header $ac_header])
AC_EGREP_HEADER($1, $ac_header,
[AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DECL_$1))
break],
[AC_MSG_RESULT(no)])
done])
dnl this is used by the macro below to generate a proper config.h.in entry
m4_define([LYX_AH_CHECK_DEF],
[AH_TEMPLATE(AS_TR_CPP(HAVE_DEF_$1),
[Define to 1 if `$1' is defined in `$2'])])
dnl Check whether name is defined in header by using it in codesnippet.
dnl Called like LYX_CHECK_DEF(name, header, codesnippet)
dnl Defines HAVE_DEF_{NAME}
AC_DEFUN([LYX_CHECK_DEF],
[LYX_AH_CHECK_DEF($1, $2)
AC_MSG_CHECKING([whether $1 is defined by header $2])
AC_TRY_COMPILE([#include <$2>], [$3],
lyx_have_def_name=yes,
lyx_have_def_name=no)
AC_MSG_RESULT($lyx_have_def_name)
if test "x$lyx_have_def_name" = xyes; then
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DEF_$1))
fi
])
dnl Extract the single digits from PACKAGE_VERSION and make them available.
dnl Defines LYX_MAJOR_VERSION, LYX_MINOR_VERSION, LYX_RELEASE_LEVEL,
dnl LYX_RELEASE_PATCH (possibly equal to 0), LYX_DIR_VER, and LYX_USERDIR_VER.
AC_DEFUN([LYX_SET_VERSION_INFO],
[lyx_major=`echo $PACKAGE_VERSION | sed -e 's/[[.]].*//'`
lyx_patch=`echo $PACKAGE_VERSION | sed -e "s/^$lyx_major//" -e 's/^.//'`
lyx_minor=`echo $lyx_patch | sed -e 's/[[.]].*//'`
lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_minor//" -e 's/^.//'`
lyx_release=`echo $lyx_patch | sed -e 's/[[^0-9]].*//'`
lyx_patch=`echo $lyx_patch | sed -e "s/^$lyx_release//" -e 's/^[[.]]//' -e 's/[[^0-9]].*//'`
test "x$lyx_patch" = "x" && lyx_patch=0
lyx_dir_ver=LYX_DIR_${lyx_major}${lyx_minor}x
lyx_userdir_ver=LYX_USERDIR_${lyx_major}${lyx_minor}x
AC_SUBST(LYX_MAJOR_VERSION,$lyx_major)
AC_SUBST(LYX_MINOR_VERSION,$lyx_minor)
AC_SUBST(LYX_RELEASE_LEVEL,$lyx_release)
AC_SUBST(LYX_RELEASE_PATCH,$lyx_patch)
AC_SUBST(LYX_DIR_VER,"$lyx_dir_ver")
AC_SUBST(LYX_USERDIR_VER,"$lyx_userdir_ver")
])
# AM_PYTHON_CHECK_VERSION(PROG, VERSION, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
# ---------------------------------------------------------------------------
# Copied from autoconf 2.68, added a check that python version is < 3.0
# Run ACTION-IF-TRUE if the Python interpreter PROG has version >= VERSION.
# Run ACTION-IF-FALSE otherwise.
# This test uses sys.hexversion instead of the string equivalent (first
# word of sys.version), in order to cope with versions such as 2.2c1.
# This supports Python 2.0 or higher. (2.0 was released on October 16, 2000).
AC_DEFUN([AM_PYTHON_CHECK_VERSION],
[prog="import sys
# split strings by '.' and convert to numeric. Append some zeros
# because we need at least 4 digits for the hex conversion.
# map returns an iterator in Python 3.0 and a list in 2.x
minver = list(map(int, '$2'.split('.'))) + [[0, 0, 0]]
minverhex = 0
maxverhex = 50331648 # = 3.0.0.0
# xrange is not present in Python 3.0 and range returns an iterator
for i in list(range(0, 4)): minverhex = (minverhex << 8) + minver[[i]]
sys.exit(sys.hexversion < minverhex or sys.hexversion >= maxverhex)"
AS_IF([AM_RUN_LOG([$1 -c "$prog"])], [$3], [$4])])