cc1plus.exe: error: output filename specified twice about texassolver

[maosatgithub]

I believe this would be the proper fix:

win32-msvc*: {
QMAKE_CXXFLAGS+= -openmp
QMAKE_LFLAGS += -openmp
RC_ICONS = imgs/texassolver_logo.ico
}

win32-g++: {
QMAKE_CXXFLAGS += -fopenmp
QMAKE_LFLAGS += -fopenmp
RC_ICONS = imgs/texassolver_logo.ico
}

win64-msvc*: {
QMAKE_CXXFLAGS+= -openmp
QMAKE_LFLAGS += -openmp
RC_ICONS = imgs/texassolver_logo.ico
}

win64-g++: {
QMAKE_CXXFLAGS += -fopenmp
QMAKE_LFLAGS += -fopenmp
RC_ICONS = imgs/texassolver_logo.ico
}

[Endle]

I have met the same problem when compiling on Windows

The hack #87 (comment) worked fine for me. However, #87 (comment) doesn't work for me

[bupticybee]

I don't think it's the problem of this project. Many have already successfully compiled in windows, please make sure you follow exactly the compile guide in readme.

[maosatgithub]

I had the same issue when trying to use MinGW. Thus I used MVSC2015 instead, which worked. This is with Qt 5.15.2

Note that this is on the GUI version -- the only compile guide I found was for the console version, is there another one?

[bupticybee]

I had the same issue when trying to use MinGW. Thus I used MVSC2015 instead, which worked. This is with Qt 5.15.2

Note that this is on the GUI version -- the only compile guide I found was for the console version, is there another one?

MVSC produce slower executable, don't use it.

make sure you use Mingw64 instead of Mingw32.
For Gui version I didn't actually write the compile guide, you should just set the QT C compiler to mingw64 and you should get the project running.

[maosatgithub]

I tried both, makes no difference. Issue is in these lines of "Makefile.Release" in the build directory:
release/moc_predefs.h: C:/Qt/5.15.2/mingw81_64/mkspecs/features/data/dummy.cpp
g++ -fno-keep-inline-dllexport -openmp -O2 -Wall -Wextra -Wextra -dM -E -o release\moc_predefs.h C:\Qt\5.15.2\mingw81_64\mkspecs\features\data\dummy.cpp

Error of that g++ call is "cc1plus.exe: error: output filename specified twice" But I don't see where that 2nd specification would come from...

Can you please compare what you have in the makefile, and maybe also provide the resulting release\moc_predefs.h from the subdirectory?

[maosatgithub]

I think I found the issue in teh .pro file , this fixes it quick and dirty for me:
win32: {
#QMAKE_CXXFLAGS+= -openmp
#QMAKE_LFLAGS += -openmp
QMAKE_CXXFLAGS += -fopenmp
QMAKE_LFLAGS += -fopenmp
RC_ICONS = imgs/texassolver_logo.ico
}

Yes, seems to be faster by 25%, but was so only on the 2nd run onwards. 1st run was actually 20% slower, for whatever reason.

[bupticybee]

I believe this would be the proper fix:

win32-msvc*: { QMAKE_CXXFLAGS+= -openmp QMAKE_LFLAGS += -openmp RC_ICONS = imgs/texassolver_logo.ico }

win32-g++: { QMAKE_CXXFLAGS += -fopenmp QMAKE_LFLAGS += -fopenmp RC_ICONS = imgs/texassolver_logo.ico }

win64-msvc*: { QMAKE_CXXFLAGS+= -openmp QMAKE_LFLAGS += -openmp RC_ICONS = imgs/texassolver_logo.ico }

win64-g++: { QMAKE_CXXFLAGS += -fopenmp QMAKE_LFLAGS += -fopenmp RC_ICONS = imgs/texassolver_logo.ico }

I see, will do some tests.

[keyor]

I have the same problems, (cc1.exe: error: output filename specified twice)
what is the best solution to solve it?

[bupticybee]

keyor

try @Endle code

Endle@39859a5