The console output is:
**** Build of configuration Release for project Timertestnew ****
make all
Building file: ../main.cpp
Invoking: AVR C++ Compiler
avr-g++ -I"G:\arduino-1.0\hardware\arduino\cores\arduino" -DARDUINO=100 -Wall -Os -fpack-struct -fshort-enums -funsigned-char -funsigned-bitfields -fno-exceptions -mmcu=atmega328p -DF_CPU=16000000UL -MMD -MP -MF"main.d" -MT"main.d" -c -o "main.o" "../main.cpp"
Finished building: ../main.cpp
Building target: Timertestnew.elf
Invoking: AVR C++ Linker
avr-gcc --cref -s -Os -o"Timertestnew.elf" ./main.o -lArduinoCore -lm -Wl,-Map,Timertestnew.map,--cref -L"C:\Users\Akhil\workspace\Timertestnew" -mmcu=atmega328p
Finished building target: Timertestnew.elf
Create Flash image (ihex format)
avr-objcopy -R .eeprom -O ihex Timertestnew.elf "Timertestnew.hex"
Finished building: Timertestnew.hex
Invoking: Print Size
avr-size --format=avr --mcu=atmega328p Timertestnew.elf
AVR Memory Usage
----------------
Device: atmega328p
Program: 620 bytes (1.9% Full)
(.text + .data + .bootloader)
Data: 9 bytes (0.4% Full)
(.data + .bss + .noinit)
Finished building: sizedummy
**** Build Finished ****
The 'Problem' view output is:
Description Resource Path Location Type
Symbol 'EEARH' could not be resolved main.cpp /Timertestnew line 15 Semantic Error
Is it possible that eclipse ide is mistakenly showing this error while it compiles it fine?
How can I fix this?
Try to delete that problem marker from the problems view and rebuild your project (entirely, not just an incremental). If that fixes the issue, than it was simply an inconsistent state of the compiler.
However, if it does not fix the problem, then it is possible that the Eclipse editor uses a different parser (for content assist, etc.), that cannot handle something your compiler can. For this case, I would look around the C/C++ editor preferences related to errors, maybe it is turnable off (however, I don't program C/C++, so I cannot tell you what to look for).
The avr-gcc compiler uses its -mmcu command line argument to determine which IO header file to include (and therefore symbolic register definition including the EEARH EEPROM high address register being reported). Documentation here.
Eclipse may not be aware of this 'backdoor' preprocessor symbol definition (as it probably is using a different compiler for problem detection). From the console output it looks like the IO header file you need is: avr/iom328p.h which is included when the __AVR_ATmega328P__ preprocessor symbol is defined (see here). If you provide this symbol to Eclipse it should cause its compiler to pick up the correct file and define the relevant registers.
Related
I am currently learning STM32F103 with Eclipse. I am facing a problem in linker stage, that I got linker error : undefined reference to `HAL_TIM_Base_Init'
Building target: TimerTest.elf
Invoking: GNU ARM Cross C++ Linker
arm-none-eabi-g++ -mcpu=cortex-m3 -mthumb -Og -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -ffreestanding -fno-move-loop-invariants -Wall -Wextra -g3 -T "C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\SW4STM32\WS2812_TimerTest\STM32F103C8Tx_FLASH.ld" -Xlinker --gc-sections -L"C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\Src" -L"C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\Drivers\STM32F1xx_HAL_Driver\Src" -L"C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\Drivers\STM32F1xx_HAL_Driver\Inc" -L"C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\Inc" -Wl,-Map,"TimerTest.map" -Xlinker --cref --specs=nano.specs -o "TimerTest.elf" ./Src/WS2812.o ./Src/main.o ./Src/stm32f1xx_hal_msp.o ./Src/stm32f1xx_hal_tim.o ./Src/stm32f1xx_it.o ./Src/system_stm32f1xx.o ./Src/usb_device.o ./Src/usbd_cdc_if.o ./Src/usbd_conf.o ./Src/usbd_desc.o ./SW4STM32/startup_stm32f103xb.o ./Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.o ./Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.o ./Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.o ./Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_i2c.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pcd_ex.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_spi_ex.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.o ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_usb.o
./Src/WS2812.o: In function `WS2812Init':
C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\Debug/../Src/WS2812.c:30: undefined reference to `HAL_TIM_Base_Init'
collect2.exe: error: ld returned 1 exit status
make: *** [makefile:64: TimerTest.elf] Error 1
Here is my code:
main.c
#include "main.h"
#include "WS2812.h"
#include "stm32f1xx_hal.h"
#include "usb_device.h"
int main(void)
{
WS2812Init();
while (1)
{
}
}
WS2812.h:
#ifndef INC_WS2812_H_
#define INC_WS2812_H_
#include <stm32f1xx_hal_gpio.h> // use gpio output
#include <stm32f1xx_hal_rcc.h>
#include <stm32f1xx_hal_tim.h> // use timer
// adopt gpio port & pin for following section
#define WS2812_GPIO_PORT GPIOB
#define WS2812_GPIO_PIN GPIO_PIN_12
#define ENABLE_GPIO_RCC() do{\
if(!__HAL_RCC_GPIOB_IS_CLK_ENABLED())\
__HAL_RCC_GPIOB_CLK_ENABLE();\
}while(0U)
static GPIO_InitTypeDef SW2812Pin = {
.Pin = WS2812_GPIO_PIN,
.Speed = GPIO_SPEED_FREQ_LOW,
.Mode = GPIO_MODE_OUTPUT_PP
};
#define SYS_CLOCK
// adopt timer configuration for following section
#define WS2812_SELECTED_TIMER TIM4
static TIM_HandleTypeDef ws2812TimerConfig;
void WS2812Init(void);
#endif /* INC_WS2812_H_ */
WS2812.c:
#include "WS2812.h"
void WS2812Init(void)
{
// init GPIO as output
ENABLE_GPIO_RCC();
HAL_GPIO_WritePin(WS2812_GPIO_PORT, WS2812_GPIO_PIN, GPIO_PIN_RESET);
HAL_GPIO_Init(WS2812_GPIO_PORT, &SW2812Pin);
// init timer
uint16_t targetFrequency = 1000; // 1kHz
const uint16_t preScaler = 360;
const uint16_t period = SystemCoreClock / (preScaler*targetFrequency);
// clear status register
__HAL_RCC_TIM4_CLK_ENABLE();
ws2812TimerConfig.Instance = WS2812_SELECTED_TIMER;
ws2812TimerConfig.Init.Prescaler = preScaler - 1;
ws2812TimerConfig.Init.Period = period;
ws2812TimerConfig.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&ws2812TimerConfig); // <- linker can not find this function
__HAL_TIM_ENABLE(&ws2812TimerConfig);
}
This is my include structure:
main->
include"WS2812.h" ->
include stm32f1xx_hal_tim.h
The stm32f1xx_hal_tim.h is in the STM32F1xxHAL_DRIVER->inc, which is also put in the include path.
I also have added the include path in the project properties->C/C++ Build->Settings
for
GNU ARM Cross Assembler
GNU ARM Cross C compiler
GNU ARM Cross C++ Compiler
I searched in the internet found out this is a linker issue, that the linker can not find the proper source for linking.
What I have found in internet and tried:
added the folder which contents stm32f1xx_hal_tim.h and WS2812.h to project properties-> C/C++ Build -> GNU ARM Cross C++ Linker -> Libraries -> (-L)
added the folder which contents stm32f1xx_hal_tim.c and WS2812.c to project properties-> C/C++ Build -> GNU ARM Cross C++ Linker -> Libraries -> (-L)
Checked "stm32f1xx_hal_tim.h" -> property-> Exclude resource from build is unchecked (some people in the internet solved the problem by this)
Added "--specs=nano.specs" to the Linker options
All of above do not solve the problem.
Some people suggest to modify the makefile. But the project generate the makefile automatically, so I don't know where to start.
If anyone can provide a hint or solution, it will be very thanksful.
UPDATE 1:
Thanks Jacek Ślimok's input.
I didn't know that, I also need to doe the "exclude from build" for .c files. And I check in the file browser. The .c files are not check in this configuration. Do you mean like this?
excluded from Build
The stm32f1xx_hal_tim.c is under project->Driver->STM32F1xxHAL_Driver->Src
At this moment, the problem remains unsolved.
Another thing I noticed is that, the Eclipse read my stm32f1xx_hal_tim.c differently. When I open the stm32f1xx_hal_tim.c in Eclipse, it just give me a plane text like in normal notepad:
stm32f1xx_hal_tim.c
But other .c file like stm32f1xx_hal_gpio.c looks like normal.
stm32f1xx_hal_gpio.c
They are in the same folder. I don't know where and why this difference came from. Does this relative to my problem.
Update2
#Jacek Ślimok, I found out why the eclipse see the stm32f1xx_hal_tim.c as plane text. I accidentally turned on the Scalability setting in Preference-> Editor, stm32f1xx_hal_tim.c has relatively large file size, 161kB. After I change it back to default, Eclipse shows the file as normal. But the linker problem is still there...
In the main.c I also used HAL_GPIO_TogglePin() from stm32f1xx_hal_gpio.h/.c. The linker does not complain about that. Currently I can not tell the difference between these 2 files(stm32f1xx_hal_gpio and stm32f1xx_hal_tim) They are in the same folder, and included the same as well. But I can use the function for GPIO not for Timer.
But one thing can be sure:
I can use the macro in the stm32f1xx_hal_tim.h, so this is a linker problem.
I start this project base on another project, which was generated from STM32CubeMX. To practice the timer function I added the timer config to it, this is the point I got problem with the linker.
I hope these information can lead to more hints.
Update 3
I tried build the .c files separately
For stm32f1xx_hal.h.c:
00:09:16 **** Building Selected Files of configuration Release for project TimerTest ****
Info: Internal Builder is used for build
arm-none-eabi-gcc -mcpu=cortex-m3 -mthumb -Os -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -ffreestanding -Wall -Wextra -g -DSTM32F103xB -DHSE_VALUE=8000000 "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\CMSIS\\Include" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\CMSIS\\Device\\ST\\STM32F1xx\\Include" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\STM32F1xx_HAL_Driver\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Middlewares\\ST\\STM32_USB_Device_Library\\Class\\CDC\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Middlewares\\ST\\STM32_USB_Device_Library\\Core\\Inc" -std=gnu11 -c -o "Drivers\\STM32F1xx_HAL_Driver\\Src\\stm32f1xx_hal_tim.o" "..\\Drivers\\STM32F1xx_HAL_Driver\\Src\\stm32f1xx_hal_tim.c"
00:09:17 Build Finished (took 285ms)
For WS2812.c:
00:11:23 **** Building Selected Files of configuration Release for project TimerTest ****
Info: Internal Builder is used for build
arm-none-eabi-gcc -mcpu=cortex-m3 -mthumb -Os -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -ffreestanding -Wall -Wextra -g -DSTM32F103xB -DHSE_VALUE=8000000 "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\CMSIS\\Include" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\CMSIS\\Device\\ST\\STM32F1xx\\Include" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\STM32F1xx_HAL_Driver\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Middlewares\\ST\\STM32_USB_Device_Library\\Class\\CDC\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Middlewares\\ST\\STM32_USB_Device_Library\\Core\\Inc" -std=gnu11 -c -o "Src\\WS2812.o" "..\\Src\\WS2812.c"
00:11:23 Build Finished (took 275ms)
And for Main.c:
00:12:02 **** Building Selected Files of configuration Release for project TimerTest ****
Info: Internal Builder is used for build
arm-none-eabi-gcc -mcpu=cortex-m3 -mthumb -Os -fmessage-length=0 -fsigned-char -ffunction-sections -fdata-sections -ffreestanding -Wall -Wextra -g -DSTM32F103xB -DHSE_VALUE=8000000 "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\CMSIS\\Include" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\CMSIS\\Device\\ST\\STM32F1xx\\Include" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Drivers\\STM32F1xx_HAL_Driver\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Middlewares\\ST\\STM32_USB_Device_Library\\Class\\CDC\\Inc" "-IC:\\Users\\Gebruiker\\Dropbox\\CodeBase\\Eclipse\\TimerTest\\Middlewares\\ST\\STM32_USB_Device_Library\\Core\\Inc" -std=gnu11 -c -o "Src\\main.o" "..\\Src\\main.c"
..\Src\main.c: In function '_Error_Handler':
..\Src\main.c:268:27: warning: unused parameter 'file' [-Wunused-parameter]
void _Error_Handler(char *file, int line)
^~~~
..\Src\main.c:268:37: warning: unused parameter 'line' [-Wunused-parameter]
void _Error_Handler(char *file, int line)
^~~~
In file included from ..\Src\main.c:55:0:
At top level:
C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\Inc/WS2812.h:36:26: warning: 'ws2812TimerConfig' defined but not used [-Wunused-variable]
static TIM_HandleTypeDef ws2812TimerConfig;
^~~~~~~~~~~~~~~~~
C:\Users\Gebruiker\Dropbox\CodeBase\Eclipse\TimerTest\Inc/WS2812.h:26:25: warning: 'SW2812Pin' defined but not used [-Wunused-variable]
static GPIO_InitTypeDef SW2812Pin = {
^~~~~~~~~
00:12:02 Build Finished (took 272ms)
There are few warning in the main.c, but they are not crucial.
Update4:
Thanks for Jacek Ślimok's input:
I found out that functions of stm32f1xx_hal_tim.c shows gray in file browser.
functions seems like not usable
But the functions in stm32f1xx_hal_gpio.c shows solid balck.
function in gpio.c are usable
Now the difference is there, just need to find out why.
Thanks in advance.
Best regards.
Doing #include stm32f1xx_hal_tim.h is not enough - it only causes your compiler not to complain, linker will still have a problem. Neither is adding a search path for the linker - this one you use mainly when you have static pre-compiled libraries that you explicitly link with the -l option. HAL is not a static library but rather a library you compile yourself.
To solve your problem, make sure you compile the corresponding source files - in this case stm32f1xx_hal_tim.c file and that it's later being linked. You mention that you use Eclipse and by default it generates a Makefile that causes all source files that you compiled in your project to also be linked. Therefore you mainly should check whether stm32f1xx_hal_tim.c is being compiled. One way to do that is to find the file in the Project Explorer, rightclick on it and select Resource Configurations -> Exclude from Build.... Make sure it's NOT checked. If it is, it is likely a whole directory is excluded from build which it should not be.
Another possibility is given function not being defined in any source file that is compiled or the function signature (name, return type and parameter types) don't match.
Yet another possibility (which in this case turned out to be the source of the issue) is that a portion of the file may not be compiled due to a #if/#ifdef preprocessor directive. In the OP's case this was caused by HAL_TIM_MODULE_ENABLED being undefined.
It is not relative to linker issue, but pre-processor.
As I mentioned, that I am building this code based on a project, which was generated from cubeMX. In the previous project, there is no timer used or configured. Than I started to write timer configuration. What I forgot is that to uncomment the #define HAL_TIM_MODULE_ENABLED in stm32f1xx_hal_conf.h. Which blocked all the implementation in stm32f1xx_hal_tim.c by pre-processor.
That is why eclipse shows all the function in stm32f1xx_hal_tim.c as gray color and not be able to be referenced.
And anyway, thanks Jacek Ślimok's effort!
Agree with Jacek Slimok, had this problem a while back, and for some reason I keep forgetting how to fix it. Googling the same solution every time if becoming annoying.
Just Skip to Solution
So you hit ctrl+space and autocomplete locates the function you want to call.
Yet in build, errors show up as "undefined reference to YOUR_FUNCTION_NAME".
So, you compile dependencies to become object files, but link object files to form an executable "firmware" generated by the compiler.
The "undefined reference" function called in main supposed to come from an object file which the linker can't locate.
Eclipse has a feature that allows you to exclude certain files from being "built" into object files. Thus the linker can't locate that dependency.
Solution:
This works for added folders or individual files in Eclipse.
So you have .c and .h files you created and you sometimes lump them in a folder you added to eclipse.
Right-click that added folder and hit properties.
In left menu select "Settings" under "C/C++ Build".
On the right, uncheck "Exclude resource from build".
Link to the picture below.
Folder Properties window in Eclipse:
Hope that helps everyone, and myself when I forget in a few days. Can you imagine the shock when I see my name on this post?
I am trying to compile a source file with icc compiler and MAGMAmic library. However I get the following error:
icc -c -o direct.o direct.c -O3 -openmp -DADD_ -Wall -DHAVE_MIC -I/opt/intel/mic/coi/include -I/usr/include/intel-coi -I/opt/intel/compilers_and_libraries_2017.2.174/linux/mkl/include:/opt/intel/compilers_and_libraries_2017.2.174/linux/ipp/include:/opt/intel/compilers_and_libraries_2017.2.174/linux/mkl/include:/opt/intel/compilers_and_libraries_2017.2.174/linux/tbb/include:/opt/intel/compilers_and_libraries_2017.2.174/linux/daal/include -I/home/dslavchev/install/magmamic-1.4.0/include -I/home/dslavchev/install/magmamic-1.4.0/contol
icc: command line remark #10411: option '-openmp' is deprecated and will be removed in a future release. Please use the replacement option '-qopenmp'
In file included from /home/dslavchev/install/magmamic-1.4.0/include/magma_types.h(134),
from /home/dslavchev/install/magmamic-1.4.0/include/magmablas_z.h(17),
from /home/dslavchev/install/magmamic-1.4.0/include/magmablas.h(12),
from /home/dslavchev/install/magmamic-1.4.0/include/magma.h(17),
from direct.c(21):
/opt/intel/compilers_and_libraries_2017.2.174/linux/compiler/include/complex(30): catastrophic error: cannot open source file "complex"
#include_next <complex>
^
The MAGMAmic library has compiled correctly and I can run it's test ok.
I have looked at the way testing_dgesv_mic.cpp example compiles and used the same includes and link, however in my case I get the above error.
I have added the following in my .bashrc file in order to get the Intel compilers' and libraries' enviromental variables:
#for MAGMA mic
export MAGMA_PATH=/home/dslavchev/install/magmamic-1.4.0
source /opt/intel/bin/compilervars.sh intel64
source /opt/intel/mkl/bin/mklvars.sh intel64
Any ideas what might cause icc to be unable to include the "complex" file?
The file complex really exists in "/opt/intel/compilers_and_libraries_2017.2.174/linux/compiler/include/complex"
icc vesrion is:
[dslavchev#sl051 results]$ icc -v
icc version 17.0.2 (gcc version 4.4.7 compatibility)
magmamic version is magmamic-1.4.0
EDIT: Removed unnecessary code comment
EDIT2: Added version info.
MAGMAmic is a C++ library and it cannot be used with C code directly.
When icc detects that you want to compile .c++ file it automatically switches to icpc (Intel C++ compiler) which in turn results in the above error.
Solution: Either switch to icpc or rename your files to .c++
This question was answered by mark on the MAGMA forums. Link:
http://icl.cs.utk.edu/magma/forum/viewtopic.php?f=2&t=1587&p=4442#p4442
I want to use Armadillo with Eclipse. However all the instructions to link Armadillo is given for Visual Studio. Now I followed the instructions outlined in the ReadMe file of the Armadillo library. I added the Armadillo include folder in project(right click)->properties->C/C++ Build->Settings->Cross G++ Compiler->Includes->Inlcude paths(-I) and then I added the libraries folder (The library folder contain lapack and blas .lib and .dll files) in project(right click)->properties->C/C++ Build->Settings->Cross G++ Linker->Libraries->Library search path (-L).
However when I compile the code in the Eclipse I get the error
.....armadillo_bits/lapack_wrapper.hpp:37: undefined reference to `dgetrf_'.
Shouldn't it simply search for .lib files in the library folder and include them during compiling? I would appreciate any help regarding this matter.
Regards,
TM
Linking the Armadillo library to an Eclipse project can be done and you were about to do it ! It's pretty much the same as for any other library.
In the properties of the project :
GCC C++ Compiler -> Includes : add the path to the file armadillo (where namespace arma is declared) to the include search path (option -I). Example : /home/alpha/soft/armadillo-4.400.1/include
GCC C++ Linker -> Libraries : add the path to the file libarmadillo.so... in the library search path (option -L) Example : /home/alpha/soft/armadillo-4.400.1 . Add armadillo, lapack, blas and m as libraries (option -l). m is for math.
Here are the calls to the compiler and the linker as produced by eclipse :
make all
Building file: ../src/armaeclip.cpp
Invoking: GCC C++ Compiler
g++ -I/home/alpha/soft/armadillo-4.100.1/include -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/armaeclip.d" -MT"src/armaeclip.d" -o "src/armaeclip.o" "../src/armaeclip.cpp"
Finished building: ../src/armaeclip.cpp
Building target: armaeclip
Invoking: GCC C++ Linker
g++ -L/home/alpha/soft/armadillo-4.100.1 -o "armaeclip" ./src/armaeclip.o -larmadillo -lblas -lm -llapack
Finished building target: armaeclip
**** Build Finished ****
As you run the code, you might get something like :
error: det(): use of ATLAS or LAPACK needs to be enabled
terminate called after throwing an instance of 'std::logic_error'
what(): det(): use of ATLAS or LAPACK needs to be enabled
Abandon (core dumped)
To avoid this problem, follow the advise of the faq of Armadillo : uncomment #define ARMA_USE_LAPACK in file /home/alpha/soft/armadillo-4.100.1/include/config.hpp and rebuild your project.
You can also create GNU Autotools projects and add following line:
bin_PROGRAMS=armadillo_example
armadillo_example_SOURCES=armadillo_example.cpp
armadillo_example_LDADD=-larmadillo
To Makefile.am file where your source code exist.
If you don't require optimized BLAS libraries, you can use the BLAS and LAPACK libraries that come with Armadillo.
Project properties > C/C++ Build > Settings > GCC C++ Compiler >
Includes > Include paths (-l): C:\armadillo-x.xxx.x\include
Then in Environment Variables > System variables, modify the Path
variable and add: C:\armadillo-x.xxx.x\examples\lib_win64\
Project properties > C/C++ General > Paths and Symbols > Libraries:
blas_win64_MT and lapack_win64_MT (it is important to add them
this way, with no path or .lib/.dll)
Then in Environment Variables > System variables, modify the Path
variable and add: C:\armadillo-x.xxx.x\examples\lib_win64\
And your Armadillo library in Eclipse is good to go.
I've used Eclipse 4.14.0 and Armadillo 9.850.1.
I am trying to get started using Rccp and decided to use Eclipse as a development environment since I already use StatEt for R. I am having trouble getting even a simple program to compile and run though, and would appreciate some help!
Briefly I tried to follow the instructions on the blog: http://blog.fellstat.com/?p=170 exactly for setting up Rcpp, RInside and Eclipse, and for the example program. I am running on Mountain Lion, and installed g++ using the command line options in XCode. I think I've faithfully followed all the steps in the blog, but cannot get the program to compile. I think the problem is in the way the header files are included, as indicated from the snippet of the output below. As far as I can tell, line 52 of /usr/include/c++/4.2.1/cstring is an include statement for <string.h> and the compiler includes Rccp/include/string.h instead of the string.h from std that is found earlier on the include path.
I am a novice in C++ so I'd really appreciate some pointers on how to proceed.
-Krishna
16:22:38 **** Incremental Build of configuration Debug for project MyTestRCppPackage ****
Info: Internal Builder is used for build
g++ -DINSIDE -I/Library/Frameworks/R.framework/Versions/2.15/Resources/include -I/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include -I/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp -I/Library/Frameworks/R.framework/Versions/2.15/Resources/library/RInside/include -O0 -g3 -Wall -c -fmessage-length=0 -arch x86_64 -v -o src/main.o ../src/main.cpp
Using built-in specs.
Target: i686-apple-darwin11
Configured with: /private/var/tmp/llvmgcc42/llvmgcc42-2336.11~182/src/configure --disable-checking --enable-werror --prefix=/Applications/Xcode.app/Contents/Developer/usr/llvm-gcc-4.2 --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-prefix=llvm- --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin11 --enable-llvm=/private/var/tmp/llvmgcc42/llvmgcc42-2336.11~182/dst-llvmCore/Developer/usr/local --program-prefix=i686-apple-darwin11- --host=x86_64-apple-darwin11 --target=i686-apple-darwin11 --with-gxx-include-dir=/usr/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)
/usr/llvm-gcc-4.2/bin/../libexec/gcc/i686-apple-darwin11/4.2.1/cc1plus -quiet -v -I/Library/Frameworks/R.framework/Versions/2.15/Resources/include -I/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include -I/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp -I/Library/Frameworks/R.framework/Versions/2.15/Resources/library/RInside/include -imultilib x86_64 -iprefix /usr/llvm-gcc-4.2/bin/../lib/gcc/i686-apple-darwin11/4.2.1/ -dD -D__DYNAMIC__ -DINSIDE ../src/main.cpp -fPIC -quiet -dumpbase main.cpp -mmacosx-version-min=10.8.3 -m64 -mtune=core2 -auxbase-strip src/main.o -g3 -O0 -Wall -version -fmessage-length=0 -D__private_extern__=extern -o /var/folders/hc/vqp48jt56_v332kc3dqyf5780000gn/T//ccqdmOKI.s
ignoring nonexistent directory "/usr/llvm-gcc-4.2/bin/../lib/gcc/i686-apple-darwin11/4.2.1/../../../../i686-apple-darwin11/include"
ignoring nonexistent directory "/usr/include/c++/4.2.1/i686-apple-darwin11/x86_64"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/usr/llvm-gcc-4.2/lib/gcc/i686-apple-darwin11/4.2.1/../../../../i686-apple-darwin11/include"
#include "..." search starts here:
#include <...> search starts here:
/Library/Frameworks/R.framework/Versions/2.15/Resources/include
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/RInside/include
/usr/llvm-gcc-4.2/bin/../lib/gcc/i686-apple-darwin11/4.2.1/include
/usr/include/c++/4.2.1
/usr/include/c++/4.2.1/backward
/usr/local/include
/Applications/Xcode.app/Contents/Developer/usr/llvm-gcc-4.2/lib/gcc/i686-apple-darwin11/4.2.1/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
GNU C++ version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00) (i686-apple-darwin11)
compiled by GNU C version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00).
GGC heuristics: --param ggc-min-expand=150 --param ggc-min-heapsize=65536
Compiler executable checksum: b37fef824b01c0a99fb2679acf3b04f1
In file included from /usr/include/c++/4.2.1/cstring:52,
from /usr/include/c++/4.2.1/bits/stl_algobase.h:66,
from /usr/include/c++/4.2.1/memory:53,
from /usr/include/c++/4.2.1/tr1/hashtable:56,
from /usr/include/c++/4.2.1/tr1/unordered_map:37,
from /Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/platform/compiler.h:158,
from /Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/RcppCommon.h:26,
from /Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp.h:27,
from ../src/main.cpp:8:
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:52: error: 'internal' has not been declared
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:52: error: typedef name may not be a nested-name-specifier
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:52: error: expected ';' before '<' token
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:65: error: expected `)' before 'charsxp'
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:70: error: expected ',' or '...' before '&' token
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:75: error: expected unqualified-id before '&' token
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:75: error: expected ',' or '...' before '&' token
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:75: error: 'Rcpp::String::String()' cannot be overloaded
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:55: error: with 'Rcpp::String::String()'
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:85: error: 'Rcpp::String::String(int)' cannot be overloaded
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:70: error: with 'Rcpp::String::String(int)'
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:88: error: expected `)' before 'x'
/Library/Frameworks/R.framework/Versions/2.15/Resources/library/Rcpp/include/Rcpp/string.h:89: error: expected `)' before 'x'
There are two entirely separate issues here:
Get all you need for Rcpp installed. OS X aspects should be documented on the relevant page maintained by Simon. If you have the tools, and have Rcpp install, then you should be able to do cppFunction('double nPi(int x) { return x*M_PI; }') which is uses functions supplied with Rcpp to create a callable C++ functions accessible to you as nPi() -- and nPi(2) should return a value.
Your choice of IDE and its settings. This is has little to do with 1. apart from requiring it to work to.
So I would work on 1. and see if I got that sorted out first, and only then turn to 2.
To summarize, the issue I faced was that include files in Rcpp with the sames names as those in std were in conflict. In particular, string.h from Rcpp was being included at a point where string.h from std was the right choice, and, as far as I could tell, this was due to the fact that paths specified via the -I directive are searched prior to the default paths.
I tried many different alternatives to solve this, including removing and re-installing XCode and the associated Command Line tools, as well as installing another g++ compiler using macports. None of these resolved the issue. I then used the -idirafter directive instead of the -I directive for the search path for include files for Rcpp and R. I got this hint from gcc include order broken?. This worked since these directories are now searched after the default paths. This precludes (at least so far!) the possibility that string.h from std and string.h from Rcpp come into conflict.
To get step 5 of http://blog.fellstat.com/?p=170 to work I had to set the -idirafter paths in PKG_CPPFLAGS in the file Makevars.
Thanks to everyone for your suggestions.
You simply have to remove include
/Library/Frameworks/R.framework/Resources/library/Rcpp/include/Rcpp
because it is:
unnecessary, as all R imports are in form <Rcpp/XXX>
causes this issue, as compiler looks for string.h in Rcpp directory (when it shouldn't).
I am trying to compile a project but I'm getting an error right away that it's not seeing the header files that are in some packages inside the project. Here is a picture, notice that it is not finding the AwarenessMoment.h file, however it is in there.
Here is the output:
**** Build of configuration Debug for project RoyOS ****
make all
Building file: ../src/royos/vision/ImageRecognizer.cpp
Invoking: GCC C++ Compiler
g++ -I/home/igvc/Documents/teamigvc/trunk/RoyOS -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"src/royos/vision/ImageRecognizer.d" -MT"src/royos/vision/ImageRecognizer.d" -o"src/royos/vision/ImageRecognizer.o" "../src/royos/vision/ImageRecognizer.cpp"
In file included from ../src/royos/vision/ImageRecognizer.cpp:8:0:
../src/royos/vision/ImageRecognizer.h:11:29: fatal error: AwarenessMoment.h: No such file or directory
compilation terminated.
make: *** [src/royos/vision/ImageRecognizer.o] Error 1
Anyone know why it's not seeing these header files?
Thanks
There's definitely something wrong with the include path given to the compiler. The preprocessor can't find the header from the source file you are attempting to compile.
I think you could fix this by replacing
#include "AwarenessMoment.h"
with
#include "../sensor/AwarenessMoment.h"
Either that or alter the compiler include path to include the sensor directory and use:
#include <AwarenessMoment>