Use openssl 1.0 compat RPM for Fedora 26 and newer.

This is just a workaround until VPP is compatible with OpenSSL 1.1.

JIRA: VPP-569

Change-Id: I8d2a113dc9400fd7e8e6850de5d91f40380455ce
Signed-off-by: Thomas F Herbert <therbert@redhat.com>

Makefile

@@ -74,18 +74,20 @@ endif
 
 RPM_DEPENDS  = redhat-lsb glibc-static java-1.8.0-openjdk-devel yum-utils
 RPM_DEPENDS += apr-devel
-RPM_DEPENDS += openssl-devel
 RPM_DEPENDS += numactl-devel
 RPM_DEPENDS += check
 ifeq ($(OS_ID)-$(OS_VERSION_ID),fedora-25)
+	RPM_DEPENDS += openssl-devel
 	RPM_DEPENDS += python-devel
 	RPM_DEPENDS += python2-virtualenv
 	RPM_DEPENDS_GROUPS = 'C Development Tools and Libraries'
 else ifeq ($(shell if [ "$(OS_ID)" = "fedora" ]; then test $(OS_VERSION_ID) -gt 25; echo $$?; fi),0)
+	RPM_DEPENDS += compat-openssl10-devel
 	RPM_DEPENDS += python2-devel
 	RPM_DEPENDS += python2-virtualenv
 	RPM_DEPENDS_GROUPS = 'C Development Tools and Libraries'
 else
+	RPM_DEPENDS += openssl-devel
 	RPM_DEPENDS += python-devel
 	RPM_DEPENDS += python-virtualenv
 	RPM_DEPENDS_GROUPS = 'Development Tools'

extras/rpm/vpp.spec

@@ -30,16 +30,19 @@ Version: %{_version}
 Release: %{_release}
 Requires: vpp-lib = %{_version}-%{_release}, net-tools, pciutils, python
 BuildRequires: systemd, chrpath
-BuildRequires: libffi-devel, openssl-devel
 %if 0%{?fedora} >= 26
+BuildRequires: compat-openssl10-devel
 BuildRequires: python2-devel, python2-virtualenv
 %else
 %if 0%{?fedora} == 25
+BuildRequires: openssl-devel
 BuildRequires: python-devel, python2-virtualenv
 %else
+BuildREquires: openssl-devel
 BuildRequires: python-devel, python-virtualenv
 %endif
 %endif
+BuildRequires: libffi-devel
 BuildRequires: glibc-static, java-1.8.0-openjdk, java-1.8.0-openjdk-devel yum-utils, redhat-lsb
 BuildRequires: apr-devel
 %if %{with aesni}