Getting an unexpected compiler flag
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hi, all -
I recently began experimentation with building the MySQL driver plugin. One leftover problem from that effort is that, somehow I'm getting a compiler flag that I don't want, and makes building impossible.
The flag is "-std=c++1z". My version (4.9.2) of the compiler doesn't support it. I have absolutely no idea where this flag is coming from. I'm building from the command line instead of the .pro file (I have a different issue with trying to use Creator; I'll start a thread on that later if necessary.)
Here's my mysql.pro file:
TARGET = qsqlmysql HEADERS += $$PWD/qsql_mysql_p.h SOURCES += $$PWD/qsql_mysql.cpp $$PWD/main.cpp QMAKE_USE += mysql OTHER_FILES += mysql.json PLUGIN_CLASS_NAME = QMYSQLDriverPlugin include(../qsqldriverbase.pri)
I'm really at a loss on this one. Can anyone proffer a suggestion?
Thank you.
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hi, all -
I recently began experimentation with building the MySQL driver plugin. One leftover problem from that effort is that, somehow I'm getting a compiler flag that I don't want, and makes building impossible.
The flag is "-std=c++1z". My version (4.9.2) of the compiler doesn't support it. I have absolutely no idea where this flag is coming from. I'm building from the command line instead of the .pro file (I have a different issue with trying to use Creator; I'll start a thread on that later if necessary.)
Here's my mysql.pro file:
TARGET = qsqlmysql HEADERS += $$PWD/qsql_mysql_p.h SOURCES += $$PWD/qsql_mysql.cpp $$PWD/main.cpp QMAKE_USE += mysql OTHER_FILES += mysql.json PLUGIN_CLASS_NAME = QMYSQLDriverPlugin include(../qsqldriverbase.pri)
I'm really at a loss on this one. Can anyone proffer a suggestion?
Thank you.
@mzimmers said in Getting an unexpected compiler flag:
-std=c++1z"
Ehh is that not >2014 c++ ?
How can you get that flag with gcc 4.9 ??Did you check qsqldriverbase.pri ?
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Yes, that flag demands the very latest version of the compiler. I asked about updating my compiler, and was told that could be a bad idea.
Here's the contents of the .pri file:
QT = core core-private sql-private PLUGIN_TYPE = sqldrivers load(qt_plugin) DEFINES += QT_NO_CAST_TO_ASCII QT_NO_CAST_FROM_ASCII
I don't know what that load(qt_plugin) does, but I don't think that's where this flag is being generated.
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Yes, that flag demands the very latest version of the compiler. I asked about updating my compiler, and was told that could be a bad idea.
Here's the contents of the .pri file:
QT = core core-private sql-private PLUGIN_TYPE = sqldrivers load(qt_plugin) DEFINES += QT_NO_CAST_TO_ASCII QT_NO_CAST_FROM_ASCII
I don't know what that load(qt_plugin) does, but I don't think that's where this flag is being generated.
Hmm nothing funky there.
If you are on linux, why not try to grep for -std=c++1z in all files ?
grep --include=*.{c,h} -rnw '/path/to/somewhere/' -e "pattern"
or
grep -Ril "text-to-find-here" /It must be there. also strace can show files it loads ( if via system)?
It must be there somewhere :)
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Hmm nothing funky there.
If you are on linux, why not try to grep for -std=c++1z in all files ?
grep --include=*.{c,h} -rnw '/path/to/somewhere/' -e "pattern"
or
grep -Ril "text-to-find-here" /It must be there. also strace can show files it loads ( if via system)?
It must be there somewhere :)
@mrjj this is all I found:
mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ sudo grep --include=*.{c,h} -rnw '/' -e "-std=c++1z" [sudo] password for mzimmers: /opt/arm-toolchain/gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf/lib/gcc/arm-linux-gnueabihf/6.2.1/plugin/include/options.h:6509: OPT_std_c__1z = 1294, /* -std=c++1z */ mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ sudo grep --include=*.{c,h} -rnw '/' -e "OPT_std_c__1z" /opt/arm-toolchain/gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf/lib/gcc/arm-linux-gnueabihf/6.2.1/plugin/include/options.h:6509: OPT_std_c__1z = 1294, /* -std=c++1z */ mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$
The line that the first search found is in an area I only use for cross development. I ran the second search for OPT_std_c__1z just to see if that showed up anywhere, but as you can see, nothing additional was found. Your 2nd grep command didn't work:
mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ grep -Ril "-std=c++1z" / grep: invalid option -- 't' Usage: grep [OPTION]... PATTERN [FILE]... Try 'grep --help' for more information. mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$
I'm not sure how strace would be used to help with this...
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@mrjj this is all I found:
mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ sudo grep --include=*.{c,h} -rnw '/' -e "-std=c++1z" [sudo] password for mzimmers: /opt/arm-toolchain/gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf/lib/gcc/arm-linux-gnueabihf/6.2.1/plugin/include/options.h:6509: OPT_std_c__1z = 1294, /* -std=c++1z */ mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ sudo grep --include=*.{c,h} -rnw '/' -e "OPT_std_c__1z" /opt/arm-toolchain/gcc-linaro-6.2.1-2016.11-x86_64_arm-linux-gnueabihf/lib/gcc/arm-linux-gnueabihf/6.2.1/plugin/include/options.h:6509: OPT_std_c__1z = 1294, /* -std=c++1z */ mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$
The line that the first search found is in an area I only use for cross development. I ran the second search for OPT_std_c__1z just to see if that showed up anywhere, but as you can see, nothing additional was found. Your 2nd grep command didn't work:
mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ grep -Ril "-std=c++1z" / grep: invalid option -- 't' Usage: grep [OPTION]... PATTERN [FILE]... Try 'grep --help' for more information. mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$
I'm not sure how strace would be used to help with this...
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I'm using 4.9.2 for everything now. That directory is leftover (somehow didn't get removed when I uninstalled 6.2.1) and I should probably get rid of it, but I don't think that's causing this problem.
I ran this grep (note the added files searched):
mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ sudo grep --include=*.{c,cpp,h,conf} -rnw '/' -e "QMAKE_CXXFLAGS_CXX1Z" /home/mzimmers/QtStuff/qtbase/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/Qt/5.8/src/qtbase/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/Qt/5.8/Src/qtbase/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/Qt/5.8/gcc_64/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z
Nothing here looks particularly interesting. Can you think of any other file types that might sneak in a compiler flag?
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I'm using 4.9.2 for everything now. That directory is leftover (somehow didn't get removed when I uninstalled 6.2.1) and I should probably get rid of it, but I don't think that's causing this problem.
I ran this grep (note the added files searched):
mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ sudo grep --include=*.{c,cpp,h,conf} -rnw '/' -e "QMAKE_CXXFLAGS_CXX1Z" /home/mzimmers/QtStuff/qtbase/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /home/mzimmers/QtStuff/qtbase/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/Qt/5.8/src/qtbase/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/src/qtbase/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/Qt/5.8/Src/qtbase/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/Qt/5.8/gcc_64/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/Qt/5.8/gcc_64/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/linux-icc/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/macx-icc/qmake.conf:57:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-g++/qmake.conf:63:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/win32-icc/qmake.conf:61:#QMAKE_CXXFLAGS_CXX1Z = -Qstd=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/clang.conf:31:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/android-base-tail.conf:41:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/g++-base.conf:32:QMAKE_CXXFLAGS_CXX1Z = -std=c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/common/qcc-base-qnx.conf:47:QMAKE_CXXFLAGS_CXX1Z = -Wc,-std=gnu++1z
Nothing here looks particularly interesting. Can you think of any other file types that might sneak in a compiler flag?
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Hi
Can you please look here
http://lists.qt-project.org/pipermail/interest/2016-September/024454.htmlseems you can call qmake with -d to see where stuff comes from.
Maybe we can use that :) -
Hi, mrjj -
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I honestly don't remember what I used to build Qt for my ARM, but I think I built it with 4.9.2. I really don't think the ARM toolchain is what's causing this problem, though.
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the -d option on qmake creates a tremendous amount of output...way too much to post here. I tried redirecting to a file using "> debug.out" at the end, but that didn't work. (I'm still new to the shell interface.)
EDIT: I looked through the output and found instances of that compiler flag in various .prf files:
sudo grep --include=*.{,prf} -rnw '/' -e "QMAKE_CXXFLAGS_CXX1Z" [sudo] password for mzimmers: mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$ sudo grep --include=*.{,prf} -rnw '/' -e "1z" /home/mzimmers/QtStuff/qtbase/mkspecs/features/default_post.prf:98:c++11|c++14|c++1z { /home/mzimmers/QtStuff/qtbase/mkspecs/features/default_post.prf:101: c++1z: cxxstd = CXX1Z /home/mzimmers/QtStuff/qtbase/mkspecs/features/qt_common.prf:17:qtConfig(c++1z): CONFIG += c++1z /opt/Qt/5.8/src/qtbase/mkspecs/features/default_post.prf:98:c++11|c++14|c++1z { /opt/Qt/5.8/src/qtbase/mkspecs/features/default_post.prf:101: c++1z: cxxstd = CXX1Z /opt/Qt/5.8/src/qtbase/mkspecs/features/qt_common.prf:17:qtConfig(c++1z): CONFIG += c++1z /opt/Qt/5.8/Src/qtbase/mkspecs/features/default_post.prf:98:c++11|c++14|c++1z { /opt/Qt/5.8/Src/qtbase/mkspecs/features/default_post.prf:101: c++1z: cxxstd = CXX1Z /opt/Qt/5.8/Src/qtbase/mkspecs/features/qt_common.prf:17:qtConfig(c++1z): CONFIG += c++1z /opt/Qt/5.8/gcc_64/mkspecs/features/default_post.prf:98:c++11|c++14|c++1z { /opt/Qt/5.8/gcc_64/mkspecs/features/default_post.prf:101: c++1z: cxxstd = CXX1Z /opt/Qt/5.8/gcc_64/mkspecs/features/qt_common.prf:17:qtConfig(c++1z): CONFIG += c++1z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/features/default_post.prf:98:c++11|c++14|c++1z { /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/features/default_post.prf:101: c++1z: cxxstd = CXX1Z /opt/arm-toolchain/sysroot-glibc-linaro-2.23-2016.11-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/features/qt_common.prf:17:qtConfig(c++1z): CONFIG += c++1z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/features/default_post.prf:98:c++11|c++14|c++1z { /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/features/default_post.prf:101: c++1z: cxxstd = CXX1Z /opt/arm-toolchain/sysroot-eglibc-linaro-2017.01-arm-linux-gnueabihf/home/mzimmers/QtForBBB/mkspecs/features/qt_common.prf:17:qtConfig(c++1z): CONFIG += c++1z mzimmers@debian:~/QtStuff/qtbase/src/plugins/sqldrivers/mysql$
I don't know much at all about these .prf files, but lines like this make me wonder:
qtConfig(c++1z): CONFIG += c++1z
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