From 45632ee3bb7ab4ed405d5251d76dd5b94d782adb Mon Sep 17 00:00:00 2001 From: Richard Levitte Date: Wed, 1 Mar 2017 23:43:03 +0100 Subject: [PATCH] Add NOTES.UNIX, with a description on how to deal with runpaths [skip ci] Reviewed-by: Rich Salz (Merged from https://github.com/openssl/openssl/pull/2818) --- INSTALL | 1 + NOTES.UNIX | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 NOTES.UNIX diff --git a/INSTALL b/INSTALL index 26cbe3084f..64055ac27c 100644 --- a/INSTALL +++ b/INSTALL @@ -18,6 +18,7 @@ For additional platform specific requirements, solutions to specific issues and other details, please read one of these: + * NOTES.UNIX (any supported Unix like system) * NOTES.VMS (OpenVMS) * NOTES.WIN (any supported Windows) * NOTES.DJGPP (DOS platform with DJGPP) diff --git a/NOTES.UNIX b/NOTES.UNIX new file mode 100644 index 0000000000..43146e9ed0 --- /dev/null +++ b/NOTES.UNIX @@ -0,0 +1,30 @@ + + NOTES FOR UNIX LIKE PLATFORMS + ============================= + + For Unix/POSIX runtime systems on Windows, please see NOTES.WIN. + + + Shared libraries and installation in non-standard locations + ----------------------------------------------------------- + + Binaries on Unix variants expect to find shared libraries in standard + locations, such as /usr/lib, /usr/local/lib and some other locations + configured in the system (for example /etc/ld.so.conf on some systems). + If the libraries are installed in non-standard locations, binaries + will not find them and therefore fail to run unless they get a bit of + help from a defined RPATH or RUNPATH. This can be applied by adding + the appropriate linker flags to the configuration command, such as + this (/usr/local/ssl was the default location for OpenSSL installation + in versions before 1.1.0): + + $ ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl \ + -Wl,-rpath,/usr/local/ssl/lib + + Because the actual library location may vary further (for example on + multilib installations), there is a convenience variable in Makefile + that holds the exact installation directory and that can be used like + this: + + $ ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl \ + -Wl,-rpath,'$(LIBRPATH)' -- 2.25.1