rpm: disabled building on CentOS < 7.4, dist reverted back to "el7".
diff --git a/build_module.sh b/build_module.sh
index 0cab571..e593372 100755
--- a/build_module.sh
+++ b/build_module.sh
@@ -130,11 +130,6 @@
PKG_FMT=rpm
NGINX_PACKAGES="pcre-devel zlib-devel openssl-devel"
DEVEL_PACKAGES="rpm-build"
- case `rpm --eval '%{dist}'` in
- .el7*)
- DEVEL_PACKAGES="$DEVEL_PACKAGES redhat-lsb-core"
- ;;
- esac
PACKAGING_ROOT=${HOME}/rpmbuild/
PACKAGING_DIR=rpm/SPECS
PACKAGE_SOURCES_DIR=../SOURCES
diff --git a/rpm/SPECS/nginx-module.spec.in b/rpm/SPECS/nginx-module.spec.in
index c4aee82..5b2f952 100644
--- a/rpm/SPECS/nginx-module.spec.in
+++ b/rpm/SPECS/nginx-module.spec.in
@@ -13,16 +13,10 @@
%endif
%if 0%{?rhel} == 7
-BuildRequires: redhat-lsb-core
%define epoch 1
Epoch: %{epoch}
-%define os_minor %(lsb_release -rs | cut -d '.' -f 2)
-%if %{os_minor} >= 4
-%define dist .el7_4
-%else
%define dist .el7
%endif
-%endif
%%MODULE_DEFINITIONS%%
diff --git a/rpm/SPECS/nginx-plus-module.spec.in b/rpm/SPECS/nginx-plus-module.spec.in
index 1976520..7a423d7 100644
--- a/rpm/SPECS/nginx-plus-module.spec.in
+++ b/rpm/SPECS/nginx-plus-module.spec.in
@@ -13,14 +13,8 @@
%endif
%if 0%{?rhel} == 7
-BuildRequires: redhat-lsb-core
-%define os_minor %(lsb_release -rs | cut -d '.' -f 2)
-%if %{os_minor} >= 4
-%define dist .el7_4
-%else
%define dist .el7
%endif
-%endif
%%MODULE_DEFINITIONS%%
diff --git a/rpm/SPECS/nginx.spec.in b/rpm/SPECS/nginx.spec.in
index 0ad558a..c46944c 100644
--- a/rpm/SPECS/nginx.spec.in
+++ b/rpm/SPECS/nginx.spec.in
@@ -24,22 +24,14 @@
%endif
%if 0%{?rhel} == 7
-BuildRequires: redhat-lsb-core
%define _group System Environment/Daemons
%define epoch 1
Epoch: %{epoch}
Requires(pre): shadow-utils
-%define os_minor %(lsb_release -rs | cut -d '.' -f 2)
-%if %{os_minor} >= 4
Requires: openssl >= 1.0.2
BuildRequires: openssl-devel >= 1.0.2
-%define dist .el7_4
-%else
-Requires: openssl >= 1.0.1
-BuildRequires: openssl-devel >= 1.0.1
%define dist .el7
%endif
-%endif
%if 0%{?suse_version} >= 1315
%define _group Productivity/Networking/Web/Servers