/usr/include/string.h:652:42: error: ‘memcpy’ was not declared in this scope about ccminer-cryptonight HOT 13 OPEN

Solution is to add -D_FORCE_INLINES in the Makefile when compiling.

example:
NVCC_GENCODE = -D_FORCE_INLINES -gencode=arch=compute_20,code="sm_20,compute

Although I did not have this issue when using CUDA 8, but with CUDA 7.5 I needed to add the flag.

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.cu.o:
        $(NVCC) -g -O2 -I . -Xptxas "-abi=no -v" $(NVCC_GENCODE) --maxrregcount=80 --ptxas-options=-v -D_FORCE_INLINES $(JANSSON_INCLUDES) -o $@ -c $<

added: -D_FORCE_INLINES in Makefile

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@emkman haven't seen that issue myself but first try https://github.com/KlausT/ccminer-cryptonight, this fork is being actively maintained.

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Same here!

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Well, considering it's been almost 2 years since the last commit, it may be time to look elsewhere...

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And where is elsewhere?

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After making @PsychicCat change, compile was succesful but now when running I get:

*** stack smashing detected ***: ./ccminer terminated
Aborted (core dumped)

Ubuntu 16.04 Xenial with Cuda 8 drivers. Any ideas?

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@PsychicCat excellent, thank you!

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GTX 1060, Nv 387, cuda 9 , Linux Mint 18.2 x64 , Ryzen 5
i use this manual.
http://fucking-it.com/ru/2016-01-21-14-35-44/bitcoin/854-monero-ccminer-cryptonight-gpu-miner-na-linux

/usr/include/string.h: In function ‘void* __mempcpy_inline(void*, const void*, size_t)’:
/usr/include/string.h:652:42: error: ‘memcpy’ was not declared in this scope
return (char *) memcpy (__dest, __src, __n) + __n;

anybody knows how to do with it?

Somewhere in internet i found method , but this is not work
NVCCFLAGS - are not exist. (nvcc of course inalled)

After a long time looking through various internet sources I solved this problem by going to the Makefile and changing the line

NVCCFLAGS += -ccbin=$(CXX) -Xcompiler -fPIC $(COMMON_FLAGS)

into

NVCCFLAGS += -D_FORCE_INLINES -ccbin=$(CXX) -Xcompiler -fPIC $(COMMON_FLAGS)

For me this was on line 406

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For anybody who had this error shown on his/her terminal while running cuIBM (Immersed Boundary Method Solver developed by the Lorena Barba group)
When running "make" as it says in the tutorial https://github.com/barbagroup/cuIBM
An error massage may jump out saying
/usr/include/string.h:652:42: error: ‘memcpy’ was not declared in this scope
This can be solved adding -D_FORCE_INLINES at the end of the line 10 of the "make" file in the cuIBM folder, so it would look like this:
CCFLAGS = -arch=sm_21 -O3 -D_FORCE_INLINES
On the other hand, its important to modify the compute capability to your nvdia version
see: https://developer.nvidia.com/cuda-gpus

I dont konw if its ok to write it here, if not please notify me.

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@comarius That worked. Thank you.

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GTX 1060, Nv 387, cuda 9 , Linux Mint 18.2 x64 , Ryzen 5
i use this manual.
http://fucking-it.com/ru/2016-01-21-14-35-44/bitcoin/854-monero-ccminer-cryptonight-gpu-miner-na-linux

/usr/include/string.h: In function ‘void* __mempcpy_inline(void*, const void*, size_t)’:
/usr/include/string.h:652:42: error: ‘memcpy’ was not declared in this scope
return (char *) memcpy (__dest, __src, __n) + __n;

anybody knows how to do with it?

Somewhere in internet i found method , but this is not work
NVCCFLAGS - are not exist. (nvcc of course inalled)

After a long time looking through various internet sources I solved this problem by going to the Makefile and changing the line

NVCCFLAGS += -ccbin=$(CXX) -Xcompiler -fPIC $(COMMON_FLAGS)

into

NVCCFLAGS += -D_FORCE_INLINES -ccbin=$(CXX) -Xcompiler -fPIC $(COMMON_FLAGS)

For me this was on line 406

where is Makefile

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can you tell me where is the Makefile,i dont know how to find it and modify it as you say

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