+dnl Usage: LYX_USE_INCLUDED_ZLIB : select if the included zlib should
+dnl be used.
+AC_DEFUN([LYX_USE_INCLUDED_ZLIB],[
+ AC_MSG_CHECKING([whether to use included zlib library])
+ AC_ARG_WITH(included-zlib,
+ [AC_HELP_STRING([--without-included-zlib], [do not use the zlib lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])],
+ [lyx_cv_with_included_zlib=$withval],
+ [lyx_cv_with_included_zlib=no])
+ AM_CONDITIONAL(USE_INCLUDED_ZLIB, test x$lyx_cv_with_included_zlib = xyes)
+ AC_MSG_RESULT([$lyx_cv_with_included_zlib])
+ if test x$lyx_cv_with_included_zlib = xyes ; then
+ ZLIB_INCLUDES='-I$(top_srcdir)/3rdparty/zlib/1.2.8 -I$(top_builddir)/3rdparty/zlib'
+ ZLIB_LIBS='$(top_builddir)/3rdparty/zlib/liblyxzlib.a'
+ mkdir -p 3rdparty/zlib
+dnl include standard config.h for HAVE_UNISTD_H
+ echo "#include <../../config.h>" > 3rdparty/zlib/zconf.h
+dnl prevent clash with system zlib that might be dragged in by other libs
+ echo "#define Z_PREFIX 1" >> 3rdparty/zlib/zconf.h
+ cat "${srcdir}/3rdparty/zlib/1.2.8/zconf.h.in" >> 3rdparty/zlib/zconf.h
+ else
+ ZLIB_INCLUDES=
+ AC_CHECK_HEADERS(zlib.h,
+ [AC_CHECK_LIB(z, gzopen, [ZLIB_LIBS="-lz"], LYX_LIB_ERROR(libz,zlib))],
+ [LYX_LIB_ERROR(zlib.h,zlib)])
+ fi
+ AC_SUBST(ZLIB_INCLUDES)
+ AC_SUBST(ZLIB_LIBS)
+])
+
+
+dnl Usage: LYX_CHECK_CALLSTACK_PRINTING: define LYX_CALLSTACK_PRINTING if the
+dnl necessary APIs are available to print callstacks.
+AC_DEFUN([LYX_CHECK_CALLSTACK_PRINTING],
+[AC_CACHE_CHECK([whether printing callstack is possible],
+ [lyx_cv_callstack_printing],
+[AC_TRY_COMPILE([
+#include <execinfo.h>
+#include <cxxabi.h>
+], [
+ void* array[200];
+ size_t size = backtrace(array, 200);
+ backtrace_symbols(array, size);
+ int status = 0;
+ abi::__cxa_demangle("abcd", 0, 0, &status);
+],
+[lyx_cv_callstack_printing=yes], [lyx_cv_callstack_printing=no])])
+if test x"$lyx_cv_callstack_printing" = xyes; then
+ AC_DEFINE([LYX_CALLSTACK_PRINTING], 1,
+ [Define if callstack can be printed])
+fi
+])
+
+
+dnl Usage: LYX_USE_INCLUDED_MYTHES : select if the included MyThes should
+dnl be used.
+AC_DEFUN([LYX_USE_INCLUDED_MYTHES],[
+ AC_MSG_CHECKING([whether to use included MyThes library])
+ AC_ARG_WITH(included-mythes,
+ [AC_HELP_STRING([--without-included-mythes], [do not use the MyThes lib supplied with LyX, try to find one in the system directories - compilation will abort if nothing suitable is found])],
+ [lyx_cv_with_included_mythes=$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])
+ if test x$lyx_mythes != xyes; then
+ AC_CHECK_LIB(mythes-1.2, main, [MYTHES_LIBS="-lmythes-1.2" lyx_mythes=yes], [lyx_mythes=no])
+ fi
+ AC_LANG_POP(C++)
+ if test x$lyx_mythes != xyes -o x$ac_cv_header_mythes_h != xyes; then
+ AC_MSG_ERROR([cannot find suitable MyThes library (do not use --without-included-mythes)])
+ fi
+ AC_DEFINE(USE_EXTERNAL_MYTHES, 1, [Define as 1 to use an external MyThes library])
+ AC_DEFINE_UNQUOTED(MYTHES_H_LOCATION,$lyx_cv_mythes_h_location,[Location of mythes.hxx])
+ AC_SUBST(MYTHES_LIBS)
+ fi