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Fix build with autotools and gcc 6

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This commit is contained in:
Enrico Forestieri 2016-06-26 19:45:50 +02:00
parent 933bc7f0dd
commit 6863fe9606
1 changed files with 8 additions and 0 deletions
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8
config/lyxinclude.m4
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@ -841,9 +841,17 @@ dnl Defines HAVE_DEF_{NAME}
AC_DEFUN([LYX_CHECK_DEF],
[LYX_AH_CHECK_DEF($1, $2)
AC_MSG_CHECKING([whether $1 is defined by header $2])
save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$AM_CPPFLAGS $CPPFLAGS"
save_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
AC_LANG_PUSH(C++)
AC_TRY_COMPILE([#include <$2>], [$3],
lyx_have_def_name=yes,
lyx_have_def_name=no)
AC_LANG_POP(C++)
CXXFLAGS=$save_CXXFLAGS
CPPFLAGS=$save_CPPFLAGS
AC_MSG_RESULT($lyx_have_def_name)
if test "x$lyx_have_def_name" = xyes; then
AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DEF_$1))