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Fixup c52049bb83: -Werror is needed to test for warning flags

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At least on my old clang++, this is required.

Fixes bug #12391.
This commit is contained in:
Jean-Marc Lasgouttes 2021-10-11 14:31:58 +02:00
parent a5f1b15858
commit 37c34c5ca9
1 changed files with 1 additions and 1 deletions
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2
config/lyxinclude.m4
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@ -391,7 +391,7 @@ if test x$GXX = xyes; then
dnl note that g++ always accepts -Wno-xxx, even when -Wxxx is an error.
AC_LANG_PUSH(C++)
AX_CHECK_COMPILE_FLAG([-Wdeprecated-copy],
[AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-copy"])
[AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-copy"], [], [-Werror])
AC_LANG_POP(C++)
fi
case $gxx_version in