I'm trying to convert a project over to using CMake. We have a series of
dependency libraries that we custom compile and link against.For a number of
them there is no issue since CMake either has no module for them or there is
nothing to link with.However, I am having trouble with a few of them.
This is all with CMake 2.8.9 as that is what is available under Debian Wheezy
(my build system). I'm not opposed to using a newer version (we already build a
number of things ourselves); but I want to ensure that things would be fixed
before doing so if that was truly the path to resolving the issues.
1. OpenSSL:
SET ( ENV{OPENSSL_ROOT_DIR} /path/to/my/libraries )FIND_PACKAGE(OpenSSL
REQUIRED)
This find OpenSSL, but not the one under /path/to/my/libraries. Are the bug
fixes related to honoring OPENSSL_ROOT_DIR after Cmake 2.8.9?
2. Curl
I've tried a number of methods. Our version of Curl is also built against our
version of OpenSSL; and they are installed under the same path.Further we have
tended to needing to use PkgConfig to get it to work correctly in our previous
build system.
I have tried a number of things, however, I can't seem to get it to reliably
find Curl. (I had it, then I cleaned up the environment and it won't find it
again.)My biggest challenge here is that there is no equivalent of
OPENSSL_ROOT_DIR or any other kinds of hints.I've tried using
FindPackage(CURL...), FindPackage(PkgConfig,...)/PKG_CHECK_MODULES(CURL..).A
co-worker suggested using CMAKE_FIND_ROOT_PATH, but that hasn't helped either.
Any suggestions would be welcome. I'd really like to move us from the old
system to cmake and unify our platforms on a single build system generator so
we don't have to maintain two build environments.
TIA,
Ben
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