Use -Wno-deprecated-copy also with clang++ 11

[lyx.git] / config / spell.m4

diff --git a/config/spell.m4 b/config/spell.m4
index 27b79d3301f8d549a287ca6a6fdae002b315a3b4..ad8fe4332bcb2912a274b33336e6106bcd36e6c3 100644 (file)
--- a/config/spell.m4
+++ b/config/spell.m4
@@ -3,7 +3,7 @@
 AC_DEFUN([CHECK_WITH_ASPELL],
 [
        lyx_use_aspell=true
-       AC_ARG_WITH(aspell, AC_HELP_STRING([--without-aspell],[do not check for ASpell library]))
+       AC_ARG_WITH(aspell, AS_HELP_STRING([--without-aspell],[do not check for ASpell library]))
        test "$with_aspell" = "no" && lyx_use_aspell=false
 
        if $lyx_use_aspell ; then
@@ -29,19 +29,16 @@ AC_DEFUN([LYX_HAVE_ENCHANT2],
   save_CXXFLAGS=$CXXFLAGS
   CXXFLAGS="$ENCHANT_CFLAGS $AM_CXXFLAGS $CXXFLAGS"
 
-  AC_TRY_COMPILE([#include <enchant++.h>],
-      [enchant::Broker broker;],
-      [AC_MSG_RESULT(yes)
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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)])
+      ],[AC_MSG_RESULT(no)])
   CXXFLAGS=$save_CXXFLAGS
 ])
 
 AC_DEFUN([CHECK_WITH_ENCHANT],
 [
        lyx_use_enchant=true
-       AC_ARG_WITH(enchant, AC_HELP_STRING([--without-enchant],[do not check for Enchant library]))
+       AC_ARG_WITH(enchant, AS_HELP_STRING([--without-enchant],[do not check for Enchant library]))
        test "$with_enchant" = "no" && lyx_use_enchant=false
 
        if $lyx_use_enchant; then
@@ -60,11 +57,26 @@ 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 $CXXFLAGS"
+
+# in the C++ ABI, stem() returns a vector, in the C ABI, it returns an int
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <hunspell/hunspell.hxx>]], [[Hunspell sp("foo", "bar");
+       int i = sp.stem("test").size();]])],[AC_MSG_RESULT(yes)
+       AC_DEFINE(HAVE_HUNSPELL_CXXABI, 1, [Define to 1 if hunspell C++ (rather than C) ABI is detected])
+       have_hunspell_cxx_abi=yes
+      ],[AC_MSG_RESULT(no)])
+  CXXFLAGS=$save_CXXFLAGS
+])
+
 # Macro to add for using hunspell spellchecker libraries!     -*- sh -*-
 AC_DEFUN([CHECK_WITH_HUNSPELL],
 [
        lyx_use_hunspell=true
-       AC_ARG_WITH(hunspell, AC_HELP_STRING([--without-hunspell],[do not check for Hunspell library]))
+       AC_ARG_WITH(hunspell, AS_HELP_STRING([--without-hunspell],[do not check for Hunspell library]))
        test "$with_hunspell" = "no" && lyx_use_hunspell=false
 
        if $lyx_use_hunspell ; then
@@ -83,6 +95,12 @@ 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
@@ -90,14 +108,14 @@ dnl        be used.
 AC_DEFUN([LYX_USE_INCLUDED_HUNSPELL],[
        AC_MSG_CHECKING([whether to use included hunspell library])
        AC_ARG_WITH(included-hunspell,
-               [AC_HELP_STRING([--with-included-hunspell], [use the hunspell lib supplied with LyX instead of the system one])],
+               [AS_HELP_STRING([--with-included-hunspell], [use the hunspell lib supplied with LyX instead of the system one])],
                [lyx_cv_with_included_hunspell=$withval],
                [lyx_cv_with_included_hunspell=no])
        AM_CONDITIONAL(USE_INCLUDED_HUNSPELL, test x$lyx_cv_with_included_hunspell = xyes)
        AC_MSG_RESULT([$lyx_cv_with_included_hunspell])
        if test x$lyx_cv_with_included_hunspell = xyes ; then
                lyx_included_libs="$lyx_included_libs hunspell"
-               HUNSPELL_CFLAGS='-I$(top_srcdir)/3rdparty/hunspell/1.6.2/src'
+               HUNSPELL_CFLAGS='-I$(top_srcdir)/3rdparty/hunspell/1.7.0/src'
                HUNSPELL_LIBS='$(top_builddir)/3rdparty/hunspell/liblyxhunspell.a'
                AC_SUBST(HUNSPELL_CFLAGS)
                AC_SUBST(HUNSPELL_LIBS)
@@ -113,6 +131,7 @@ 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