On Sat, Dec 16, 2023 at 09:44:59AM +0000, Ian B via Exim-users wrote:
> In the meantime I think I've just got it working ok with exporting
> LD_LIBRARY_PATH and CC=gcc -std=gnu99 -lrt -I/usr/local/ssl/
> -L/usr/local/ssl/lib -Wl,-rpath,/usr/local/ssl/lib (not even sure those are
> correct just atm)
When building the custom OpenSSL, I don't find it necessary to do
anything with CC, LD_LIBRARY_PATH, ... just:
$ dstpath=... # whatever
$ libpath=$dstpath/lib # or $dstpath/lib64, ...
$ Configure --prefix=$dstpath -Wl,-rpath,$libpath linux-x86_64-rpk
$ make # -j<pick-a-number-cpus>
$ make test
$ sudo make install_sw
When building other software against the non-default OpenSSL, you may
need to tweak CFLAGS and LDFLAGS in various ways to make sure that:
* CFLAGS has -I$dstpath/include
* LDFLAGS has -L$libpath -Wl,-rpath,$libpath
For example, my Fedora shell script for configuring a Postfix build
is essentially:
OSSL=/opt/openssl/3.2
CCARGS="-I${OSSL}/include -DUSE_TLS -DHAS_PCRE=2 -DHAS_CDB -DNO_NIS"
AUXLIBS="$AUXLIBS -L${OSSL}/lib64 -Wl,-rpath,${OSSL}/lib64 -lssl -lcrypto -ldb"
AUXLIBS_PCRE="-lpcre2-8"
AUXLIBS_CDB="-lcdb"
make -f Makefile.init \
"CCARGS=$CCARGS" "OPT=-O -g" \
AUXLIBS="$AUXLIBS" \
AUXLIBS_PCRE="$AUXLIBS_PCRE" \
AUXLIBS_CDB="$AUXLIBS_CDB" \
makefiles
The details will be different for Exim, but the basic principles should
be the same.
--
Viktor.
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