13

I'm trying to make one bitcoin-like daemon on my Ubuntu 14.04.3. When I hit ./configure:

checking for SSL... no
configure: error: openssl  not found.

but

# apt-get install libssl-dev linux-headers-$(uname -r)
Reading package lists... Done
Building dependency tree
Reading state information... Done
libssl-dev is already the newest version.
linux-headers-3.13.0-61-generic is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

I googled the error message but I haven't any idea what to do. I successfully maked exactly that one daemon on my other Ubuntu 14.04 so the sources and configuration scripts are good.

UPD1. Installing openssl didn't help:

# apt-get install openssl
..
openssl is already the newest version.
..

I've checked config.log and there're nothing about openssl at the end - HAVE_WORKING_BOOST_SLEEP_FOR refers to checking for dynamic linked boost test... yes - last successful line from ./configure output:

# tail config.log
#define HAVE_BOOST /**/
#define HAVE_BOOST_SYSTEM /**/
#define HAVE_BOOST_FILESYSTEM /**/
#define HAVE_BOOST_PROGRAM_OPTIONS /**/
#define HAVE_BOOST_THREAD /**/
#define HAVE_BOOST_CHRONO /**/
#define HAVE_BOOST_UNIT_TEST_FRAMEWORK /**/
#define HAVE_WORKING_BOOST_SLEEP_FOR 1

configure: exit 1

UPD2. I've found that in log, quite far from the end:

configure:25626: checking for SSL
configure:25633: $PKG_CONFIG --exists --print-errors "libssl"
Package libssl was not found in the pkg-config search path.
Perhaps you should add the directory containing `libssl.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libssl' found
configure:25636: $? = 1
configure:25650: $PKG_CONFIG --exists --print-errors "libssl"
Package libssl was not found in the pkg-config search path.
Perhaps you should add the directory containing `libssl.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libssl' found
configure:25653: $? = 1
configure:25667: result: no
No package 'libssl' found
configure:25683: error: openssl  not found.
  • 1
    libssl-dev is not openssl. Try installing the latter. If that doesn't help, then check config.log for the exact command that's failing (it will be right near the end) and edit your question to include it, and we can suggest what you are missing. – user Oct 16 '15 at 21:59
  • @MichaelKjörling: But autoconf output isn't Debian package names, either… It's more likely that it refers to pkg-config packages (and libssl-dev does include openssl.pc). – user1686 Oct 16 '15 at 23:00
  • Updated. Is there anything else I can check? – user510433 Oct 17 '15 at 9:14
  • Does the file /usr/lib/<arch>/pkgconfig/libssl.pc exist? – Gowtham Oct 17 '15 at 12:02
  • What is <arch>? /usr/lib/pkgconfig/; /usr/share/pkgconfig/; /usr/local/lib/pkgconfig/ don't contain libssl.pc – user510433 Oct 17 '15 at 12:45
13

You will find a package name libssl-dev in Synaptic Package Manager (Ubuntu 16.04) and after you install libssl-dev, everything will be solved. by the way, libssl1.0.0 don't works. You'd better install libssl-dev and libssl1.0.0 at same time.

by the way, I don't think the following solution is works: 'pkg-config' is in your PATH and PKG_CONFIG_PATH contains a openssl.pc file. If pkg-config is unavailable you can set INCLUDE_DIR and LIB_DIR manually via: R CMD INSTALL --configure-vars='INCLUDE_DIR=... LIB_DIR=...'

  • I was trying to run a Crystal Lang http server and got the error "Package libssl was not found in the pkg-config search path. Perhaps you should add the directory containing `libssl.pc' to the PKG_CONFIG_PATH environment variable No package 'libssl' found ". Installing libssl-dev solved the problem. – VRPF May 25 '17 at 20:04
6

For some reason PKG_CONFIG_PATH didn't contain the right path for that openssl.pc file needed for pkg-config utility. I did find / -name 'openssl.pc' and found it in /usr/lib/x86_64-linux-gnu/pkgconfig/. That path was also used by my other ubuntu to ./configure.

So I ran PKG_CONFIG_PATH="/usr/lib/x86_64-linux-gnu/pkgconfig/" ./configure and that did the trick!

Other thing, there is another openssl.pc in my /usr/local/ssl/lib/pkgconfig/ but when I tried to use it, the following make command hangs with different errors (like unknown reference to function, etc.).

  • Same here, openssl was installed using brew, and I was installing libevent on macos by building it. – Thihara Jan 18 at 3:21

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