On Sun, Apr 7, 2024 at 5:22 PM Damjan Jovanovic <dam...@apache.org> wrote:
> > > On Sun, Apr 7, 2024 at 2:26 PM Arrigo Marchiori <ard...@apache.org> wrote: > > Honestly, I don't know in detail what RPATH is and how to change it, >> and I would like to adopt the simplest approach to the problem. >> > > It is a ":"-separated list of paths where the binary's dependencies are > searched for, before trying the system paths. If it contains $ORIGIN at the > beginning, then in the case of executables, it is the directory containing > the executable, and in the case of libraries, it is the directory of the > executable that loaded them. You can see how this is useful: it allows > OpenOffice to be installed anywhere in the filesystem, and binaries can > still find their internal dependencies, because their paths are relative to > wherever the executable is, instead of some hardcoded location. > > In theory, you pass these options to the compiler when linking: > -Wl,-z,origin -Wl,-rpath,$ORIGIN > where -Wl,-z,origin enables the use of $ORIGIN in the path, and > -Wl,-rpath,$ORIGIN specifies the path, in this case being the directory > containing the executable. > In practice, however, getting that "$" past dmake and 3 layers of shell > quoting and escaping, is impossibly difficult. > Here's how you set RPATH in Curl: ---snip--- diff --git a/main/curl/makefile.mk b/main/curl/makefile.mk index 044bf4d8c9..ecef11820a 100644 --- a/main/curl/makefile.mk +++ b/main/curl/makefile.mk @@ -59,6 +59,7 @@ curl_LDFLAGS+:=$(ARCH_FLAGS) ssl_param=--with-ssl .ELSE ssl_param=--with-ssl=$(OUTDIR) +curl_LDFLAGS+=-Wl,-z,origin -Wl,-rpath,\\\$$\$$ORIGIN PATCH_FILES+= curl-bundled_openssl.patch .ENDIF ---snip--- which gets libcurl.so to search for the OpenSSL dynamic libraries in its own directory before the system directories: $ ldd solver/450/unxfbsdx.pro/lib/libcurl.so ... libssl.so.3 => /path/to/openoffice-git/main/solver/450/ unxfbsdx.pro/lib/libssl.so.3 (0x299f766bc000) libcrypto.so.3 => /path/to/openoffice/openoffice-git/main/solver/450/ unxfbsdx.pro/lib/libcrypto.so.3 (0x299f77747000) Regards Damjan
