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List: lyx-cvs
Subject: [LyX/2.3.x] Avoid warnings with gcc 9
From: Jean-Marc Lasgouttes <lasgouttes () lyx ! org>
Date: 2019-10-26 11:32:02
Message-ID: 20191026113202.AAF6A2800D1 () lyx ! lyx ! org
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commit 691f29b4c72cbd98ea7b47bd0d12be9d2235f25f
Author: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Wed Jun 12 18:49:29 2019 +0200
Avoid warnings with gcc 9
The warning about unneeded std::move can be solved by conditioning on
C++14 mode.
The warnings about deprecated copy is harder, so we disable it for
now. We will be able to fix our part, but Qt triggers it a lot too.
(cherry picked from commit 134f3aedaf4150367cdc2f6855d695d3791a5353)
---
config/lyxinclude.m4 | 11 +++++++----
src/MetricsInfo.cpp | 4 ++++
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4
index 2c1a9af..1bf9def 100644
--- a/config/lyxinclude.m4
+++ b/config/lyxinclude.m4
@@ -406,8 +406,11 @@ if test x$GXX = xyes; then
fi
dnl Warnings are for preprocessor too
if test x$enable_warnings = xyes ; then
- AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra"
- fi
+ case $gxx_version in
+ 9.*) AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra -Wno-deprecated-copy";;
+ *) AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra";;
+ esac
+ fi
case $gxx_version in
2.*|3.*) AC_ERROR([gcc >= 4.6 is required]);;
4.0*|4.1*|4.2*|4.3*|4.4*|4.5*) AC_ERROR([gcc >= 4.6 is required]);;
@@ -871,7 +874,7 @@ AC_DEFUN([MSYS_AC_CANONICAL_PATH],
dnl this is used by the macro blow to general a proper config.h.in entry
m4_define([LYX_AH_CHECK_DECL],
[AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_$1),
- [Define if you have the prototype for function `$1'])])
+ [Define if you have the prototype for function `$1'])])dnl`
dnl Check things are declared in headers to avoid errors or warnings.
dnl Called like LYX_CHECK_DECL(function, header1 header2...)
@@ -891,7 +894,7 @@ done])
dnl this is used by the macro below to generate a proper config.h.in entry
m4_define([LYX_AH_CHECK_DEF],
[AH_TEMPLATE(AS_TR_CPP(HAVE_DEF_$1),
- [Define to 1 if `$1' is defined in `$2'])])
+ [Define to 1 if `$1' is defined in `$2'])])dnl'
dnl Check whether name is defined in header by using it in codesnippet.
dnl Called like LYX_CHECK_DEF(name, header, codesnippet)
diff --git a/src/MetricsInfo.cpp b/src/MetricsInfo.cpp
index 60a0045..7ab62dc 100644
--- a/src/MetricsInfo.cpp
+++ b/src/MetricsInfo.cpp
@@ -73,7 +73,11 @@ Changer MetricsBase::changeFontSet(string const & name)
&& ((isTextFont(oldname) && oldcolor != Color_foreground)
|| (isMathFont(oldname) && oldcolor != Color_math)))
font.setColor(oldcolor);
+#if __cplusplus >= 201402L
+ return rc;
+#else
return move(rc);
+#endif
}
--
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