I have taken the code from the following source on Github and am trying to run it from Qt on RHEL Red Hat 4.4.7-17:
I extracted the project folder and ran qmake -projectin it. I opened the files in Qt creator and further modified my .pro file to link OpenCL sources and add the CXX and CFLAGS.
My .pro file looks like this:
######################################################################
# Automatically generated by qmake (1.07a) Tue Mar 28 14:51:49 2017
######################################################################
TEMPLATE = app
DEPENDPATH += src \
/usr/local/cuda-7.0/lib64/
INCLUDEPATH += . src \
/usr/local/cuda-7.0/lib64/\
/usr/local/cuda-7.0/include/
# Input
HEADERS += src/bitstream.h \
src/bmp.h \
src/decoder.h \
src/huffman.h \
src/idct.h \
src/jpeg.h \
src/macro.h \
src/stdafx.h \
src/targetver.h \
src/zigzag.h
SOURCES += src/bitstream.cpp \
src/cpuIDCT8x8.cpp \
src/decoder.cpp \
src/huffman.cpp \
src/main.cpp \
src/oclDCT8x8.cpp \
src/parser.cpp \
src/stdafx.cpp \
src/main.cpp
LIBS += -L/usr/local/cuda-7.0/lib64/ -lOpenCL
QMAKE_CXXFLAGS += -std=c++11
QMAKE_CFLAGS += -std=c99
DISTFILES += \
src/idct8x8.cl \
oclJPEGDecoder.sln \
oclJPEGDecoder.vcxproj \
oclJPEGDecoder.vcxproj.filters \
README.md \
test/JPEG_example_JPG_RIP_050.jpg
When I clicked on Run qmake and then Build All, this is what I saw under "Compile Output":
18:08:23: Configuration unchanged, skipping qmake step.
18:08:23: Starting: "/usr/bin/make"
Makefile:634: warning: overriding commands for target `main.o'
Makefile:603: warning: ignoring old commands for target `main.o'
g++ -c -pipe -std=c++11 -g -std=gnu++0x -Wall -W -D_REENTRANT -fPIC -DQT_QML_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -I../oclJPEGDecoder-master -I. -I../oclJPEGDecoder-master -I../oclJPEGDecoder-master/src -I/usr/local/cuda-7.0/lib64 -I/usr/local/cuda-7.0/include -I/opt/Qt5.6.2/5.6/gcc_64/include -I/opt/Qt5.6.2/5.6/gcc_64/include/QtGui -I/opt/Qt5.6.2/5.6/gcc_64/include/QtCore -I. -I/opt/Qt5.6.2/5.6/gcc_64/mkspecs/linux-g++ -o bitstream.o ../oclJPEGDecoder-master/src/bitstream.cpp
cc1plus: error: unrecognized command line option "-std=c++11"
make: *** [bitstream.o] Error 1
18:08:23: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project oclJPEGDecoder-master (kit: Desktop Qt 5.6.2 GCC 64bit)
When executing step "Make"
18:08:23: Elapsed time: 00:00.
My Makefile has the following contents:
#############################################################################
# Makefile for building: oclJPEGDecoder-master
# Generated by qmake (3.0) (Qt 5.6.2)
# Project: ../oclJPEGDecoder-master/oclJPEGDecoder-master.pro
# Template: app
# Command: /opt/Qt5.6.2/5.6/gcc_64/bin/qmake -spec linux-g++ CONFIG+=debug CONFIG+=qml_debug -o Makefile ../oclJPEGDecoder-master/oclJPEGDecoder-master.pro
#############################################################################
MAKEFILE = Makefile
####### Compiler, tools and options
CC = gcc
CXX = g++
DEFINES = -DQT_QML_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB
CFLAGS = -pipe -std=c99 -g -Wall -W -D_REENTRANT -fPIC $(DEFINES)
CXXFLAGS = -pipe -std=c++011 -g -std=gnu++0x -Wall -W -D_REENTRANT -fPIC $(DEFINES)
INCPATH = -I../oclJPEGDecoder-master -I. -I../oclJPEGDecoder-master -I../oclJPEGDecoder-master/src -I/usr/local/cuda-7.0/lib64 -I/usr/local/cuda-7.0/include -I/opt/Qt5.6.2/5.6/gcc_64/include -I/opt/Qt5.6.2/5.6/gcc_64/include/QtGui -I/opt/Qt5.6.2/5.6/gcc_64/include/QtCore -I. -I/opt/Qt5.6.2/5.6/gcc_64/mkspecs/linux-g++
QMAKE = /opt/Qt5.6.2/5.6/gcc_64/bin/qmake
DEL_FILE = rm -f
CHK_DIR_EXISTS= test -d
MKDIR = mkdir -p
COPY = cp -f
COPY_FILE = cp -f
COPY_DIR = cp -f -R
INSTALL_FILE = install -m 644 -p
INSTALL_PROGRAM = install -m 755 -p
INSTALL_DIR = cp -f -R
DEL_FILE = rm -f
SYMLINK = ln -f -s
DEL_DIR = rmdir
MOVE = mv -f
TAR = tar -cf
COMPRESS = gzip -9f
DISTNAME = oclJPEGDecoder-master1.0.0
DISTDIR = /root/Downloads/build-oclJPEGDecoder-master-Desktop_Qt_5_6_2_GCC_64bit-Debug/.tmp/oclJPEGDecoder-master1.0.0
LINK = g++
LFLAGS = -Wl,-rpath,/opt/Qt5.6.2/5.6/gcc_64/lib
LIBS = $(SUBLIBS) -L/usr/local/cuda-7.0/lib64/ -lOpenCL -L/opt/Qt5.6.2/5.6/gcc_64/lib -lQt5Gui -L/usr/lib64 -lQt5Core -lGL -lpthread
AR = ar cqs
RANLIB =
SED = sed
STRIP = strip
My .o files look like this:
####### Compile
bitstream.o: ../oclJPEGDecoder-master/src/bitstream.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/bitstream.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o bitstream.o ../oclJPEGDecoder-master/src/bitstream.cpp
cpuIDCT8x8.o: ../oclJPEGDecoder-master/src/cpuIDCT8x8.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/idct.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o cpuIDCT8x8.o ../oclJPEGDecoder-master/src/cpuIDCT8x8.cpp
decoder.o: ../oclJPEGDecoder-master/src/decoder.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/jpeg.h \
../oclJPEGDecoder-master/src/bmp.h \
../oclJPEGDecoder-master/src/bitstream.h \
../oclJPEGDecoder-master/src/huffman.h \
../oclJPEGDecoder-master/src/zigzag.h \
../oclJPEGDecoder-master/src/idct.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o decoder.o ../oclJPEGDecoder-master/src/decoder.cpp
huffman.o: ../oclJPEGDecoder-master/src/huffman.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/huffman.h \
../oclJPEGDecoder-master/src/bitstream.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o huffman.o ../oclJPEGDecoder-master/src/huffman.cpp
main.o: ../oclJPEGDecoder-master/src/main.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/bitstream.h \
../oclJPEGDecoder-master/src/huffman.h \
../oclJPEGDecoder-master/src/idct.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o main.o ../oclJPEGDecoder-master/src/main.cpp
oclDCT8x8.o: ../oclJPEGDecoder-master/src/oclDCT8x8.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
/usr/local/cuda-7.0/include/CL/opencl.h \
/usr/local/cuda-7.0/include/CL/cl.h \
/usr/local/cuda-7.0/include/CL/cl_platform.h \
/usr/local/cuda-7.0/include/CL/cl_gl.h \
/usr/local/cuda-7.0/include/CL/cl_gl_ext.h \
/usr/local/cuda-7.0/include/CL/cl_ext.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/idct.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o oclDCT8x8.o ../oclJPEGDecoder-master/src/oclDCT8x8.cpp
parser.o: ../oclJPEGDecoder-master/src/parser.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/jpeg.h \
../oclJPEGDecoder-master/src/decoder.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o parser.o ../oclJPEGDecoder-master/src/parser.cpp
stdafx.o: ../oclJPEGDecoder-master/src/stdafx.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o stdafx.o ../oclJPEGDecoder-master/src/stdafx.cpp
main.o: ../oclJPEGDecoder-master/src/main.cpp ../oclJPEGDecoder-master/src/stdafx.h \
../oclJPEGDecoder-master/src/targetver.h \
../oclJPEGDecoder-master/src/macro.h \
../oclJPEGDecoder-master/src/bitstream.h \
../oclJPEGDecoder-master/src/huffman.h \
../oclJPEGDecoder-master/src/idct.h
$(CXX) -c $(CXXFLAGS) $(INCPATH) -o main.o ../oclJPEGDecoder-master/src/main.cpp
####### Install
install: FORCE
uninstall: FORCE
FORCE:
I changed the CXX_FLAGS command to QMAKE_CXXFLAGS += -std=c++0x and kept everything else unchanged in my .pro file. When I clicked on Build All after making the change, this is the output I got under "Compile Output":
18:38:06: Running steps for project oclJPEGDecoder-master...
18:38:06: Configuration unchanged, skipping qmake step.
18:38:06: Starting: "/usr/bin/make"
Makefile:634: warning: overriding commands for target `main.o'
Makefile:603: warning: ignoring old commands for target `main.o'
g++ -c -pipe -std=c++0x -g -std=gnu++0x -Wall -W -D_REENTRANT -fPIC -DQT_QML_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -I../oclJPEGDecoder-master -I. -I../oclJPEGDecoder-master -I../oclJPEGDecoder-master/src -I/usr/local/cuda-7.0/lib64 -I/usr/local/cuda-7.0/include -I/opt/Qt5.6.2/5.6/gcc_64/include -I/opt/Qt5.6.2/5.6/gcc_64/include/QtGui -I/opt/Qt5.6.2/5.6/gcc_64/include/QtCore -I. -I/opt/Qt5.6.2/5.6/gcc_64/mkspecs/linux-g++ -o bitstream.o ../oclJPEGDecoder-master/src/bitstream.cpp
In file included from ../oclJPEGDecoder-master/src/bitstream.cpp:4:
../oclJPEGDecoder-master/src/bitstream.h:368: error: 'nullptr' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h:368: error: ISO C++ forbids initialization of member 'mBitReservoir'
../oclJPEGDecoder-master/src/bitstream.h:368: error: making 'mBitReservoir' static
../oclJPEGDecoder-master/src/bitstream.h:368: error: invalid in-class initialization of static data member of non-integral type 'uint8_t*'
../oclJPEGDecoder-master/src/bitstream.h:369: error: ISO C++ forbids initialization of member 'mCapacity'
../oclJPEGDecoder-master/src/bitstream.h:369: error: making 'mCapacity' static
../oclJPEGDecoder-master/src/bitstream.h:369: error: ISO C++ forbids in-class initialization of non-const static member 'mCapacity'
../oclJPEGDecoder-master/src/bitstream.h: In member function 'void BitStream::free()':
../oclJPEGDecoder-master/src/bitstream.h:96: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h:96: error: 'nullptr' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h:98: error: type '<type error>' argument given to 'delete', expected pointer
../oclJPEGDecoder-master/src/bitstream.h: In member function 'void BitStream::trim()':
../oclJPEGDecoder-master/src/bitstream.h:110: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'bool BitStream::reserve(size_t)':
../oclJPEGDecoder-master/src/bitstream.h:137: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'bool BitStream::frontBit() const':
../oclJPEGDecoder-master/src/bitstream.h:209: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'uint8_t BitStream::frontFullByte() const':
../oclJPEGDecoder-master/src/bitstream.h:214: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'uint32_t BitStream::front9b(uint8_t) const':
../oclJPEGDecoder-master/src/bitstream.h:219: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'uint32_t BitStream::front17b(uint8_t) const':
../oclJPEGDecoder-master/src/bitstream.h:227: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'uint32_t BitStream::front25b(uint8_t) const':
../oclJPEGDecoder-master/src/bitstream.h:235: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'void BitStream::writeBit(bool)':
../oclJPEGDecoder-master/src/bitstream.h:246: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h:248: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'const uint8_t* BitStream::frontData() const':
../oclJPEGDecoder-master/src/bitstream.h:307: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'uint32_t BitStream::cachedFrontBits(int)':
../oclJPEGDecoder-master/src/bitstream.h:340: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.h: In member function 'void BitStream::moveDataTo(uint8_t*)':
../oclJPEGDecoder-master/src/bitstream.h:398: error: 'mBitReservoir' was not declared in this scope
../oclJPEGDecoder-master/src/bitstream.cpp: In member function 'size_t BitStream::append(const uint8_t*, size_t)':
../oclJPEGDecoder-master/src/bitstream.cpp:22: error: 'mBitReservoir' was not declared in this scope
make: *** [bitstream.o] Error 1
18:38:06: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project oclJPEGDecoder-master (kit: Desktop Qt 5.6.2 GCC 64bit)
When executing step "Make"
18:38:06: Elapsed time: 00:00.
I got errors in bitstream.c due to incompatibility with the compiler.
**How can I get around this issue? Do I absolutely need to install a new version of g++ to get this code to work? Do I need to include anything in my Makefile? **
Please guide me in this matter.
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