From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Mon, 9 Apr 2018 13:50:50 +0000 (+0200)
Subject: Warn when using system hunspell in stdlib-debug mode
X-Git-Tag: lyx-2.4.0dev-acb2ca7b~3639
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=d7020ea;p=features.git

Warn when using system hunspell in stdlib-debug mode

This is what we already do with boost. Note that the warning only
triggers with the new C++ ABI.
---

diff --git a/config/spell.m4 b/config/spell.m4
index a13fb0a7ba..4d949aa572 100644
--- a/config/spell.m4
+++ b/config/spell.m4
@@ -72,6 +72,7 @@ AC_DEFUN([LYX_HAVE_HUNSPELL_CXXABI],
        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
@@ -100,7 +101,12 @@ AC_DEFUN([CHECK_WITH_HUNSPELL],
 		AC_MSG_RESULT(no)
 	fi
     fi
-		LYX_HAVE_HUNSPELL_CXXABI
+	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