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lyx_mirror/config/lyxinclude.m4
Jean-Marc Lasgouttes 3731a877b3 silence warnings for gcc 2.95.x 
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4579 a592a061-630c-0410-9148-cb99ea01b6c8
2002-07-10 08:29:33 +00:00

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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 variables "lyx_devel_version" and "lyx_prerelease"
AC_DEFUN(LYX_CHECK_VERSION,[
changequote(, ) dnl
echo "configuring LyX version $VERSION"
if echo "$VERSION" | grep 'cvs' >/dev/null ; then
lyx_devel_version=yes
echo "WARNING: This is a development version. Expect bugs."
else
lyx_devel_version=no
fi
if echo "$VERSION" | grep 'pre' > /dev/null ; then
lyx_prerelease=yes
echo "WARNING: This is a prerelease. Be careful and backup your documents."
else
lyx_prerelease=no
fi
changequote([, ]) dnl
AC_SUBST(lyx_devel_version)
if test $lyx_devel_version = yes ; then
AC_DEFINE(DEVEL_VERSION, 1, Define if you are building a development version of LyX)
fi])
dnl Define the option to set a LyX version on installed executables and directories
dnl
dnl
AC_DEFUN(LYX_VERSION_SUFFIX,[
AC_MSG_CHECKING([for install target ... ])
AC_ARG_WITH(version-suffix,
[ --with-version-suffix[=<version>] install lyx files as lyx<version>],
[if test "x$withval" = "xyes";
then
withval="-$VERSION"
ac_configure_args=`echo $ac_configure_args | sed "s,--with-version-suffix,--with-version-suffix=$withval,"`
fi
lyxname="lyx$withval"
program_suffix=$withval],
[lyxname=lyx])
AC_MSG_RESULT([$lyxname])
])
dnl Usage: LYX_ERROR(message) Displays the warning "message" and sets the
dnl flag lyx_error to yes.
AC_DEFUN(LYX_ERROR,[
lyx_error_txt="$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_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
deleting cache $cache_file
EOF
rm -f $cache_file
else
if test x$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
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_ERROR([Unable to find a good enough C++ compiler])
fi
AC_MSG_RESULT($CXX)
AC_PROG_CXX
### We might want to get or shut warnings.
AC_ARG_ENABLE(warnings,
[ --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"
AC_DEFINE(WITH_WARNINGS, 1,
[Define this if you want to see the warning directives put here and
there by the developpers to get attention])
fi
### We might want to disable debug
AC_ARG_ENABLE(debug,
[ --enable-debug enable debug information],,
[ if test $lyx_devel_version = yes -o $lyx_prerelease = yes && test $ac_cv_prog_gxx = yes ; then
enable_debug=yes;
else
enable_debug=no;
fi;])
### set up optimization
AC_ARG_ENABLE(optimization,
[ --enable-optimization[=value] enable compiler optimisation],,
enable_optimization=yes;)
case $enable_optimization in
yes) lyx_opt=-O;;
no) lyx_opt=;;
*) lyx_opt=${enable_optimization};;
esac
# set the debug flags 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
case $gxx_version in
2.95.1) CXXFLAGS="$lyx_opt -fpermissive";;
2.95.*) CXXFLAGS="$lyx_opt -Wno-non-template-friend";;
2.96*) CXXFLAGS="$lyx_opt -fno-exceptions -Wno-non-template-friend";;
3.0*) CXXFLAGS="$lyx_opt";;
3.1*) CXXFLAGS="$lyx_opt -finline-limit=500 -fno-exceptions";;
3.2*) CXXFLAGS="$lyx_opt";;
*) CXXFLAGS="$lyx_opt";;
esac
if test x$enable_debug = xyes ; then
CXXFLAGS="-g $CXXFLAGS"
fi
fi
if test x$enable_warnings = xyes ; then
case $gxx_version in
2.95.*) CXXFLAGS="$CXXFLAGS -W -Wall";;
2.96*) CXXFLAGS="$CXXFLAGS -W -Wall";;
3.1*) CXXFLAGS="$CXXFLAGS -W -Wall -Winline";;
*) CXXFLAGS="$CXXFLAGS -W -Wall";;
esac
if test $lyx_devel_version = yes ; then
case $gxx_version in
2.95.*) ;;
2.96*) ;;
*) CXXFLAGS="$CXXFLAGS -Winline";;
esac
fi
fi
fi])dnl
dnl NOT USED CURRENTLY*************************************
dnl Usage: LYX_CXX_RTTI : checks whether the C++ compiler
dnl supports RTTI
AC_DEFUN(LYX_CXX_RTTI,[
### Check whether the compiler supports runtime type information
AC_CACHE_CHECK(whether the C++ compiler supports RTTI,lyx_cv_rtti,
[AC_TRY_RUN([
class rtti {
public:
virtual int tag() { return 0; }
};
class derived1 : public rtti {
public:
int tag() { return 1; }
};
class derived2 : public rtti {
public:
int tag() { return 2; }
};
int main() {
derived1 * foo1 = new derived1();
derived2 * foo2 = new derived2();
rtti * bar = foo1;
derived1 * bar1 = dynamic_cast<derived1 *>(bar);
if (bar1 == 0)
exit(1);
bar = foo2;
bar1 = dynamic_cast<derived1 *>(bar);
if (bar1 != 0)
exit(1);
return 0;
}
],lyx_cv_rtti=yes,lyx_cv_rtti=no,lyx_cv_rtti=no)
])
if test x$lyx_cv_rtti = xyes ; then
AC_DEFINE(HAVE_RTTI, 1,
[Define to 1 if your compiler supports runtime type information])
fi])
dnl Usage: LYX_CXX_EXPLICIT : checks whether the C++ compiler
dnl understands the "explicit" directive.
AC_DEFUN(LYX_CXX_EXPLICIT,[
### Check whether the compiler understands the keyword `explicit'
AC_CACHE_CHECK(whether the C++ compiler understands explicit,lyx_cv_explicit,
[AC_TRY_COMPILE([
class Expl {
public:
explicit Expl() {};
};],,lyx_cv_explicit=yes,lyx_cv_explicit=no)
])
if test $lyx_cv_explicit = no ; then
AC_DEFINE(explicit,[ ],
[Define to nothing if your compiler does not understand the
'explicit' directive])
fi])
dnl NOT USED CURRENTLY*************************************
dnl Usage: LYX_CXX_STL_STACK : checks whether the C++ compiler
dnl has a working stl stack template
AC_DEFUN(LYX_CXX_STL_STACK,[
AC_CACHE_CHECK(for broken STL stack template,lyx_cv_broken_stack,
[AC_TRY_COMPILE([
#include <stack>
using std::stack;
],[
stack<int> stakk;
stakk.push(0);
],lyx_cv_broken_stack=no,lyx_cv_broken_stack=yes)
])
if test $lyx_cv_broken_stack = yes ; then
AC_DEFINE(BROKEN_STL_STACK, 1,
[Define if you have the STL from libg++ 2.7.x, where stack<> is not defined
correctly])
fi])
dnl Usage: LYX_STD_COUNT : checks wherer the C++ library have a conforming
dnl count template, if not the old HP version is assumed.
AC_DEFUN(LYX_STD_COUNT,[
AC_CACHE_CHECK(for conforming std::count,lyx_cv_std_count,
[AC_TRY_COMPILE([
#include <algorithm>
using std::count;
int countChar(char * b, char * e, char const c)
{
return count(b, e, c);
}
],[
char a[] = "hello";
int i = countChar(a, a + 5, 'l');
],lyx_cv_std_count=yes,lyx_cv_std_count=no)
])
if test $lyx_cv_std_count = yes ; then
AC_DEFINE(HAVE_STD_COUNT, 1,
[Define if you have a conforming std::count template, otherwise HP version of count template is assumed.])
fi])
dnl Usage: LYX_CXX_STL_MODERN_STREAMS : checks whether the C++ compiler
dnl supports modern STL streams
AC_DEFUN(LYX_CXX_STL_MODERN_STREAMS,[
AC_CACHE_CHECK(for modern STL streams,lyx_cv_modern_streams,
[AC_TRY_COMPILE([
#include <iostream>
],[
std::streambuf * test = std::cerr.rdbuf();
test->pubsync();
],lyx_cv_modern_streams=yes,lyx_cv_modern_streams=no)
])
if test $lyx_cv_modern_streams = yes ; then
AC_DEFINE(MODERN_STL_STREAMS, 1,
[Define if you have modern standard-compliant STL streams])
fi])
dnl Usage: LYX_CXX_STL_STRING : checks whether the C++ compiler
dnl has a std::string that is usable for LyX. LyX does not require this
dnl std::string to be standard.
AC_DEFUN(LYX_CXX_STL_STRING,[
AC_REQUIRE([AC_PROG_CXX])
AC_MSG_CHECKING(whether the included std::string should be used)
AC_ARG_WITH(included-string,
[ --with-included-string use LyX string class instead of STL string],
[lyx_cv_with_included_string=$withval
AC_MSG_RESULT([$with_included_string])],
[AC_CACHE_CHECK([],lyx_cv_with_included_string,
[AC_TRY_COMPILE([
#include <string>
using std::string;
],[
// LyX has reduced its requirements on the basic_string
// implementation so that the basic_string supplied
// with gcc is usable. In particular this means that
// lyx does not use std::string::clear and not the
// strncmp version of std::string::compare. This is mainly
// done so that LyX can use precompiled C++ libraries that
// already uses the systems basic_string, e.g. gtk--
string a("hello there");
a.erase();
a = "hey";
//char s[] = "y";
//int t = a.compare(a.length() - 1, 1, s);
a.erase();
],[
lyx_cv_with_included_string=no
],[
lyx_cv_with_included_string=yes
])
])
])
if test x$lyx_cv_with_included_string = xyes ; then
AC_DEFINE(USE_INCLUDED_STRING, 1,
[Define to use the lyxstring class bundled with LyX.])
lyx_flags="$lyx_flags included-string"
fi
AM_CONDITIONAL(USE_LYXSTRING, test x$lyx_cv_with_included_string = xyes)
dnl AC_MSG_RESULT([$with_included_string])
])
dnl Usage: LYX_CXX_GOOD_STD_STRING : checks whether the C++ compiler
dnl has a std::string that is close to the standard. So close that
dnl methods not found in "unstandard" std::strings are present here.
AC_DEFUN(LYX_CXX_GOOD_STD_STRING,[
AC_REQUIRE([AC_PROG_CXX])
AC_CACHE_CHECK([whether the systems std::string is really good],
[lyx_cv_std_string_good],
[AC_TRY_COMPILE([
#include <string>
using std::string;
],[
// From a std::string that is supposed to be close to the
// standard we require at least three things:
// - clear() and erase()
// - the strncmp of compare()
// - push_back()
string a("hello there");
a.erase();
a = "hey";
char s[] = "y";
int t = a.compare(a.length() - 1, 1, s);
a.push_back('g');
a.clear();
],[
lyx_cv_std_string_good=yes
],[
lyx_cv_std_string_good=no
])
])
if test x$lyx_cv_std_string_good = xyes ; then
AC_DEFINE(STD_STRING_IS_GOOD, 1,
[Define if the systems std::string is really good.])
fi
])
dnl NOT USED CURRENTLY*************************************
dnl LYX_CXX_PARTIAL
AC_DEFUN(LYX_CXX_PARTIAL, [
AC_REQUIRE([AC_PROG_CXX])
AC_CACHE_CHECK([if C++ compiler supports partial specialization],
[lyx_cv_cxx_partial_specialization],
[AC_TRY_COMPILE(
[
template<class T, class K>
class k {
public:
};
template<class T> class k<void,T> { };
],[
k<float, float> b;
k<void,void> a;
],[
lyx_cv_cxx_partial_specialization=yes
],[
lyx_cv_cxx_partial_specialization=no
])
])
if test x$lyx_cv_cxx_partial_specialization = xyes ; then
AC_DEFINE(HAVE_PARTIAL_SPECIALIZATION, 1,
[Defined if your compiler supports partial specialization.])
fi
])
dnl Usage: LYX_CXX_CHEADERS : checks whether the C++ compiler
dnl provides wrappers for C headers and use our alternate version otherwise.
AC_DEFUN(LYX_CXX_CHEADERS,[
AC_CACHE_CHECK(for C headers wrappers,lyx_cv_cxx_cheaders,
[AC_TRY_CPP([
#include <clocale>
#include <cctype>
#include <cerrno>
#include <cmath>
#include <csignal>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>],[lyx_cv_cxx_cheaders=yes],[lyx_cv_cxx_cheaders=no])])
if test $lyx_cv_cxx_cheaders = no ; then
LYX_ADD_INC_DIR(lyx_cppflags,\$(top_srcdir)/src/cheaders)
fi])
dnl Usage: LYX_CXX_GLOBAL_CSTD: checks whether C library functions
dnl are already in the global namespace
AC_DEFUN(LYX_CXX_GLOBAL_CSTD,[
AC_CACHE_CHECK(whether C library functions are already in the global namespace,
lyx_cv_cxx_global_cstd,
[AC_TRY_COMPILE([
#include <cctype>
using std::tolower;
],[
return 0;
],[lyx_cv_cxx_global_cstd=no],[lyx_cv_cxx_global_cstd=yes])])
if test x$lyx_cv_cxx_global_cstd = xyes; then
AC_DEFINE(CXX_GLOBAL_CSTD,1,
[Define if your C++ compiler puts C library functions in the global namespace])
fi
])
dnl Usage LYX_PATH_XPM: Checks for xpm library and header
AC_DEFUN(LYX_PATH_XPM,[
### Check for Xpm library
AC_CHECK_LIB(Xpm, XpmCreateBufferFromImage,XPM_LIB="-lXpm",
[LYX_LIB_ERROR(libXpm,Xpm)], $XPM_LIB)
AC_SUBST(XPM_LIB)
### Check for Xpm headers
lyx_cv_xpm_h_location="<xpm.h>"
AC_CHECK_HEADER(X11/xpm.h,[
ac_cv_header_xpm_h=yes
lyx_cv_xpm_h_location="<X11/xpm.h>"],[
AC_CHECK_HEADER(xpm.h,[],[
LYX_LIB_ERROR(xpm.h,Xpm)])])
AC_DEFINE_UNQUOTED(XPM_H_LOCATION,$lyx_cv_xpm_h_location)
### Test for the header version
if test $ac_cv_header_xpm_h = yes; then
AC_CACHE_CHECK([xpm header version],lyx_cv_xpmversion,
[ cat > conftest.$ac_ext <<EOF
#line __oline__ "configure"
#include "confdefs.h"
#include XPM_H_LOCATION
"%%%"lyx_cv_xpmv=XpmVersion;lyx_cv_xpmr=XpmRevision"%%%"
EOF
eval `(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
grep '^"%%%"' 2>/dev/null | \
sed -e 's/^"%%%"\(.*\)"%%%"/\1/' -e 's/ //g'`
case "$lyx_cv_xpmr" in
changequote(,)
[0-9]) lyxxpmr_alpha=`echo $lyx_cv_xpmr |tr 123456789 abcdefghi`
lyxxpmv_alpha=" (aka 3.$lyx_cv_xpmv$lyxxpmr_alpha)";;
changequote([,])
*) ;;
esac
lyx_cv_xpmversion="$lyx_cv_xpmv.$lyx_cv_xpmr$lyxxpmv_alpha"
rm -f conftest*])
XPM_VERSION=${lyx_cv_xpmversion}
case "$lyx_cv_xpmr" in
changequote(,)
[789]|[0-9][0-9]*) ;;
changequote([,])
*) LYX_WARNING([Version $lyx_cv_xpmversion of the Xpm library is a bit old.
If you experience strange crashes with LyX, try to upgrade
to at least version 4.7 (aka 3.4g).
If you have installed a newer version of the library, check whether you
have an old xpm.h header file in your include path.]);;
esac
fi])
dnl Usage: LYX_HPUX Checks for HP-UX and update CXXFLAGS accordingly
AC_DEFUN(LYX_HPUX,
[#It seems that HPUX requires using -fpcc-struct-return with gcc.
AC_CACHE_CHECK(for HP-UX,ac_cv_hpux,[
os=`uname -s | tr '[A-Z]' '[a-z]'`
ac_cv_hpux=no
test "$os" = hp-ux && ac_cv_hpux=yes])
if test "$ac_cv_hpux" = yes; then
test "x$GXX" = xyes && CXXFLAGS="$CXXFLAGS -fpcc-struct-return"
fi])
dnl Usage: LYX_SUNOS4 Checks for SunOS 4.x and sets the flag lyx_broken_headers
dnl if necessary
AC_DEFUN(LYX_SUNOS4,
[#The headers are not correct under SunOS4
AC_CACHE_CHECK(for SunOS 4.x,ac_cv_sunos4,[
changequote(, ) dnl
os=`uname -a | sed -e 's/^\([^ ]*\) [^ ]* \([0-9]\)\..*/\1\2/'`
changequote([, ]) dnl
ac_cv_sunos4=no
test "$os" = SunOS4 && ac_cv_sunos4=yes])
if test "$ac_cv_sunos4" = yes; then
test "x$GXX" = xyes && lyx_broken_headers=yes
fi])
dnl Usage: LYX_SCO Checks for SCO and sets the flag lyx_broken_headers
dnl if necessary
AC_DEFUN(LYX_SCO,
[AC_CACHE_CHECK(for SCO 3.2v4,ac_cv_sco,[
ac_cv_sco=no
if test `uname -s` != "SCO_SV"; then
lyx_machine_rel=`uname -m`:`uname -r`
if test $lyx_machine_rel = i386:3.2 || test $lyx_machine_rel = i486:3.2;
then
if test -f /usr/options/cb.name; then
ac_cv_sco=no
elif /bin/uname -X 2>/dev/null >/dev/null ; then
ac_cv_sco=yes
fi
fi
fi])
if test "$ac_cv_sco" = yes; then
test "x$GXX" = xyes && lyx_broken_headers=yes
fi])
dnl Usage: LYX_FUNC_PUTENV_ARGTYPE
dnl Checks whether putenv() takes 'char const *' or 'char *' as
dnl argument. This is needed because Solaris 7 (wrongly?) uses 'char *',
dnl while everybody else uses the former...
AC_DEFUN(LYX_FUNC_PUTENV_ARGTYPE,
[AC_MSG_CHECKING([type of argument for putenv()])
AC_CACHE_VAL(lyx_cv_func_putenv_arg,dnl
[AC_TRY_COMPILE(dnl
[#include <cstdlib>],
[char const * foo = "bar";
putenv(foo);],dnl
[lyx_cv_func_putenv_arg='char const *'],[lyx_cv_func_putenv_arg='char *'])])
AC_MSG_RESULT($lyx_cv_func_putenv_arg)
AC_DEFINE_UNQUOTED(PUTENV_TYPE_ARG,$lyx_cv_func_putenv_arg,dnl
[Define to the type of the argument of putenv(). Needed on Solaris 7.])])
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,[ --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 "$dir" && AC_ERROR([\"$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, $lyx_path_header_path)])
])
### end of LYX_PATH_HEADER
dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
dnl if the cache file is inconsistent with the current host,
dnl target and build system types, execute CMD or print a default
dnl error message.
AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
AC_REQUIRE([AC_CANONICAL_SYSTEM])
AC_MSG_CHECKING([config.cache system type])
if { test x"${ac_cv_host_system_type+set}" = x"set" &&
test x"$ac_cv_host_system_type" != x"$host"; } ||
{ test x"${ac_cv_build_system_type+set}" = x"set" &&
test x"$ac_cv_build_system_type" != x"$build"; } ||
{ test x"${ac_cv_target_system_type+set}" = x"set" &&
test x"$ac_cv_target_system_type" != x"$target"; }; then
AC_MSG_RESULT([different])
ifelse($#, 1, [$1],
[AC_MSG_ERROR(["you must remove config.cache and restart configure"])])
else
AC_MSG_RESULT([same])
fi
ac_cv_host_system_type="$host"
ac_cv_build_system_type="$build"
ac_cv_target_system_type="$target"
])
dnl We use this until autoconf fixes its version.
AC_DEFUN(LYX_FUNC_SELECT_ARGTYPES,
[AC_MSG_CHECKING([types of arguments for select()])
AC_CACHE_VAL(ac_cv_func_select_arg234,dnl
[AC_CACHE_VAL(ac_cv_func_select_arg1,dnl
[AC_CACHE_VAL(ac_cv_func_select_arg5,dnl
[for ac_cv_func_select_arg234 in 'fd_set *' 'int *' 'void *'; do
for ac_cv_func_select_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do for ac_cv_func_select_arg5 in 'struct timeval *' 'const struct timeval *'; do
AC_TRY_COMPILE(dnl
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
extern int select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5);],,dnl
[ac_not_found=no ; break 3],ac_not_found=yes)
done
done
done
])dnl AC_CACHE_VAL
])dnl AC_CACHE_VAL
])dnl AC_CACHE_VAL
if test "$ac_not_found" = yes; then
ac_cv_func_select_arg1=int
ac_cv_func_select_arg234='int *'
ac_cv_func_select_arg5='struct timeval *'
fi
AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5])
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1,
[Define to the type of arg1 for select().])
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234),
[Define to the type of args 2, 3 and 4 for select().])
AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5),
[Define to the type of arg5 for select().])
])
### Check which frontend we want to use. The default is XForms
###
AC_DEFUN(LYX_USE_FRONTEND,
[AC_MSG_CHECKING([what frontend should be used as main GUI])
AC_ARG_WITH(frontend,
[ --with-frontend=THIS Use THIS frontend as main GUI:
Possible values: xforms, qt2, gnome],
[lyx_use_frontend="$withval"], [lyx_use_frontend="xforms"])
AC_MSG_RESULT($lyx_use_frontend)
AC_SUBST(FRONTEND)
AC_SUBST(FRONTEND_GUILIB)
AC_SUBST(FRONTEND_LDFLAGS)
AC_SUBST(FRONTEND_INCLUDES)
AC_SUBST(FRONTEND_LIBS)
])
dnl Check things are declared in headers to avoid errors or warnings.
dnl Called like LYX_CHECK_DECL(function, headerfile)
dnl Defines HAVE_DECL_{FUNCTION}
AC_DEFUN(LYX_CHECK_DECL,
[AC_MSG_CHECKING(if $1 is declared by header $2)
tr_func=`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
tr_hdr=`echo $2 | tr . _`
AC_CACHE_VAL([lyx_cv_declare_${tr_hdr}_$1],
[AC_EGREP_HEADER($1, $2, [eval "lyx_cv_declare_${tr_hdr}_$1=yes"], [eval "lyx_cv_declare_${tr_hdr}_$1=no"])])
if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
AC_DEFINE_UNQUOTED(HAVE_DECL_${tr_func})
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi])
dnl This is the multiple headers version of the LYX_CHECK_DECL macro above.
dnl Called like LYX_CHECK_DECL_HDRS(function, file1 file2 file3)
AC_DEFUN(LYX_CHECK_DECL_HDRS,
[ got="no"
for I in $2; do
tr_hdr=`echo $I | tr . _`
if test "${got}" = "no"; then
LYX_CHECK_DECL($1, $I)
fi
if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
got="yes"
fi
done])
## ------------------------------------------------------------------------
## Find a file (or one of more files in a list of dirs)
## ------------------------------------------------------------------------
##
AC_DEFUN(AC_FIND_FILE,
[
$3=NO
for i in $2;
do
for j in $1;
do
if test -r "$i/$j"; then
$3=$i
break 2
fi
done
done
])
dnl just a wrapper to clean up configure.in
AC_DEFUN(LYX_PROG_LIBTOOL,
[
AC_REQUIRE([AC_ENABLE_SHARED])
AC_REQUIRE([AC_ENABLE_STATIC])
dnl libtool is only for C, so I must force him
dnl to find the correct flags for C++
ac_save_cc=$CC
ac_save_cflags="$CFLAGS"
CC=$CXX
CFLAGS="$CXXFLAGS"
AM_PROG_LIBTOOL dnl for libraries
CC=$ac_save_cc
CFLAGS="$ac_save_cflags"
])
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