src/db.h:15:20: fatal error: db_cxx.h: No such file or directory about dogecoin HOT 15 CLOSED

the system is Gentoo, with db-4.8 installed. It looks like qmake wasn't able to find it.
The only thing I've had to do is to add -I/usr/include/db4.8 at the end of the INCPATH in the Makefile generated by qmake.

Hope this helps someone else.
Wow.

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On Ubuntu 10.04 I resolved this w/

sudo aptitude install libdb4.8++-dev

(after verifying that I've got BerkelyDB 4.8 installed)

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jcomeau@amc:~/src/AmericanCoin/src$ sudo apt-get install libdb5.1++-dev

I had missed that in the build-unix.txt file.

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Closing as not a bug. Thanks for mentioning the fix.

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I'm on 12.04, but neither of these solutions seem to help (or at least, I don't know where to add the -I/usr/include... line in makefile.unix

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hoylemd you might need to install libdb as suggested above, and depending on the version find where it's been installed and append its path to the INCPATH with -I/path/to/libdb

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I understand that I need to append it to the INCPATH, but I don't know where to find that line. It doesn't seem to exist in makefile.unix

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the file is Makefile which should be generated after running qmake

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I'm not sure what you mean by that. I'm runing qmake in the src directory, But I just get a man page.

What I have done:

clone the repository
Install the dependencies listed in docs/build-unix.md
cd src
make -f makefile.unix

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I've just discovered that by $BDB_LIB_PATH is empty, and dpkg suggests it's not actually installed.

Ill try installing them from the link in build-unix.md

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I added the PPA at https://launchpad.net/~bitcoin/+archive/bitcoin, and ran an apt-get update.

I then tried to reinstall libdb4.8, and things seemed to install, but BDB_LIB_PATH is still empty, and running makefile.unix gives the same error.

I'm all out of ideas, but I'm pretty sure the problem is that berkelydb just isn't installing.

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It's not picking up the C++ development headers, which is why you're seeing the error message. Uninstall the libdb4.8 and install libdb5.1-dev and libdb5.1++-dev (There's no libdb4.8++-dev on 12.04 - I'm compiling this up right now on my 12.04 system)

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I had the same problem with pretty much all bitcoin-qt forks. @ThePeach thanks for the comment.

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thanks @ThePeach
Running on gentoo now with
-I/usr/include/db5.3 in makefile

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Having this issue on gentoo too, but there isn't an INCPATH line in my generated Makefile.

edit: applying the fix to src/Makefile mentioned in NeuCoin/neucoin#15 (comment) let me continue.

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