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[lyx.git] / config / spell.m4

diff --git a/config/spell.m4 b/config/spell.m4
index 8185939c4250ad2a904c54d5ff43c9bfaaee83c0..4d949aa57212b34a455ecca1b63bff2abf562261 100644 (file)
--- a/config/spell.m4
+++ b/config/spell.m4
@@ -23,7 +23,21 @@ AC_DEFUN([CHECK_WITH_ASPELL],
        fi
        ])
 
-# Macro to add for using enchant spellchecker libraries!     -*- sh -*-
+AC_DEFUN([LYX_HAVE_ENCHANT2],
+[
+  AC_MSG_CHECKING([whether enchant is version 2.x at least])
+  save_CXXFLAGS=$CXXFLAGS
+  CXXFLAGS="$ENCHANT_CFLAGS $AM_CXXFLAGS $CXXFLAGS"
+
+  AC_TRY_COMPILE([#include <enchant++.h>],
+      [enchant::Broker broker;],
+      [AC_MSG_RESULT(yes)
+       AC_DEFINE(HAVE_ENCHANT2, 1, [Define to 1 if enchant 2.x is detected])
+      ],
+      [AC_MSG_RESULT(no)])
+  CXXFLAGS=$save_CXXFLAGS
+])
+
 AC_DEFUN([CHECK_WITH_ENCHANT],
 [
        lyx_use_enchant=true
@@ -31,11 +45,14 @@ AC_DEFUN([CHECK_WITH_ENCHANT],
        test "$with_enchant" = "no" && lyx_use_enchant=false
 
        if $lyx_use_enchant; then
-               PKG_CHECK_MODULES([ENCHANT], [enchant], [], [lyx_use_enchant=false])
+               PKG_CHECK_MODULES([ENCHANT], [enchant-2], [],
+                   [PKG_CHECK_MODULES([ENCHANT], [enchant], [],
+                       [lyx_use_enchant=false])])
                AC_MSG_CHECKING([whether to use enchant])
                if $lyx_use_enchant ; then
                    AC_MSG_RESULT(yes)
                    AC_DEFINE(USE_ENCHANT, 1, [Define as 1 to use the enchant library])
+                   LYX_HAVE_ENCHANT2
                    lyx_flags="$lyx_flags use-enchant"
                else
                    AC_MSG_RESULT(no)
@@ -43,6 +60,24 @@ AC_DEFUN([CHECK_WITH_ENCHANT],
        fi
     ])
 
+AC_DEFUN([LYX_HAVE_HUNSPELL_CXXABI],
+[
+  AC_MSG_CHECKING([whether hunspell C++ (rather than C) ABI is provided])
+  save_CXXFLAGS=$CXXFLAGS
+  CXXFLAGS="$ENCHANT_CFLAGS $AM_CXXFLAGS $CXXFLAGS"
+
+# in the C++ ABI, stem() returns a vector, in the C ABI, it returns an int
+  AC_TRY_COMPILE([#include <hunspell/hunspell.hxx>],
+      [Hunspell sp("foo", "bar");
+       int i = sp.stem("test").size();],
+      [AC_MSG_RESULT(yes)
+       AC_DEFINE(HAVE_HUNSPELL_CXXABI, 1, [Define to 1 if hunspell C++ (rather than C) ABI is detected])
+       have_hunspell_cxx_abi=yes
+      ],
+      [AC_MSG_RESULT(no)])
+  CXXFLAGS=$save_CXXFLAGS
+])
+
 # Macro to add for using hunspell spellchecker libraries!     -*- sh -*-
 AC_DEFUN([CHECK_WITH_HUNSPELL],
 [
@@ -66,6 +101,12 @@ AC_DEFUN([CHECK_WITH_HUNSPELL],
                AC_MSG_RESULT(no)
        fi
     fi
+       LYX_HAVE_HUNSPELL_CXXABI
+       if test $enable_stdlib_debug = "yes" -a -n "$have_hunspell_cxx_abi" ; then
+               LYX_WARNING([Compiling LyX with stdlib-debug and system hunspell libraries may lead to
+   crashes. Consider using --disable-stdlib-debug or --with-included-hunspell.])
+             fi
+
     ])
 
 dnl Usage: LYX_USE_INCLUDED_HUNSPELL : select if the included hunspell should
@@ -96,6 +137,7 @@ AC_DEFUN([LYX_CHECK_SPELL_ENGINES],
 dnl the user wanted to use the included hunspell, so do not check for external hunspell
                lyx_use_hunspell=true
                AC_DEFINE(USE_HUNSPELL, 1, [Define as 1 to use the hunspell library])
+               AC_DEFINE(HAVE_HUNSPELL_CXXABI, 1, [Define to 1 if hunspell C++ (rather than C) ABI is detected])
                lyx_flags="$lyx_flags use-hunspell"
        else
                CHECK_WITH_HUNSPELL