I found it , let me try compiling it. (./config was reporting error) thanks >> perl Configure LIST|grep linux-x86_64 linux-x86_64 linux-x86_64-clang I see, below command seems to be working - >> ./Configure --prefix=/opt/openssl-1.1.1o --openssldir=/opt/openssl/1.1.1o --shared linux-x86_64 Configuring OpenSSL version 1.1.1o (0x101010ffL) for linux-x86_64 Using os-specific seed configuration Creating configdata.pm Creating Makefile >> ./config --prefix=/opt/openssl-1.1.1o --openssldir=/opt/openssl/1.1.1o --shared linux-x86_64 Operating system: x86_64-whatever-linux2 This system (linux-x86_64) is not supported. See file INSTALL for details. Gaurav Mittal -----Original Message----- From: Matt Caswell <matt@xxxxxxxxxxx> Sent: 23 June 2022 05:53 PM To: Gaurav Mittal11 <gaurav.mittal@xxxxxxxxxx>; openssl-users@xxxxxxxxxxx Subject: [EXTERNAL] Re: Openssl upgrade to 1.1.1o on Red Linux 5.11 On 23/06/2022 12:31, Gaurav Mittal11 wrote: > > I am running redhat 5.11 Linux, probably this command is not supported. > Although I have manually compiled latest perl version > > -bash-3.2$ perl -v > This is perl 5, version 36, subversion 0 (v5.36.0) built for > x86_64-linux > > -bash-3.2$ perl Configure LIST > Can't open perl script "Configure": No such file or directory Are you running this from the root of the openssl source tree? There should be a file called "Configure" there. Is it present? Matt > -bash-3.2$ perl configure LIST > Can't open perl script "configure": No such file or directory > > > Regards, > Gaurav Mittal > > -----Original Message----- > From: Matt Caswell <matt@xxxxxxxxxxx> > Sent: 23 June 2022 02:56 PM > To: Gaurav Mittal11 <gaurav.mittal@xxxxxxxxxx>; > openssl-users@xxxxxxxxxxx > Subject: [EXTERNAL] Re: Openssl upgrade to 1.1.1o on Red Linux 5.11 > > > > On 22/06/2022 15:32, Gaurav Mittal11 wrote: >> This system (linux-x86_64) is not supported. See file INSTALL for details. > > That is very odd. I would expect linux-x86_64 to always be reported as supported by config. > > Do you get sensible output from: > > $ perl Configure LIST > > You should see a list of all the platforms - one of which should be "linux-x86_64" > > Matt >