epel7 branch: fix spec file so works with epel7.

cppad.spec: changes indicated by testing 2018 for other branches.
.gitignore: correct 2018 directory, remove 2017 files and directories.

cppad.spec

@@ -1,4 +1,6 @@
 # ----------------------------------------------------------------------------
+# Lint
+# ----------------------------------------------------------------------------
 # The comamnd 'fedpkg lint' generates the warning:
 #
 # cppad.spec:89: W: rpm-buildroot-usage
@@ -6,15 +8,8 @@
 #
 # See https://lists.fedoraproject.org/pipermail/devel/2011-January/147969.html
 # ----------------------------------------------------------------------------
-# The command 'fedpkg lint' generates the warning:
-#
-# W: spelling-error Summary(en_US) devel -> delve, devil, revel
-# W: spelling-error %%description -l en_US devel -> delve, devil, revel
-#
-# The only occurances of devel in this file are of the form cppad-devel.
-# These refer to the corresponding subpackage and are not spelling errors.
+# Preamble
 # ----------------------------------------------------------------------------
-
 # CppAD release number starts with zero and last part of version number.
 # Fedora Release starts with 1; see
 # https://fedoraproject.org/wiki/Packaging:Versioning
@@ -77,28 +72,26 @@ version of %{name}, can be found at the web site
 In addition, printable versions of the documentation,
 as a single web page, in both HTML and XML, can be found at that web site.
 
-# ----------------------------------------------------------------------------
-%clean
-# Cleanup build root at the beginning in case mock has
-# cleanup_on_failure set to zero.
-rm -rf %{buildroot}
-
+# -----------------------------------------------------------------------------
+# prep
 # -----------------------------------------------------------------------------
 %prep
 
 %setup -q 
 
-# Replace cppad_SOURCE_DIR by the system include directory so that
+# 1. Replace cppad_SOURCE_DIR by the system include directory so that
 # installed files, instead of local files, are used for testing.
+# 2. EPEL7 is using cmake 2.8 so change required version and reply on all
+# the tests passing for correctness of this change.
 #
 includedir=%{buildroot}%{_includedir}
 sed \
 -e "s|\(INCLUDE_DIRECTORIES(\).*{cppad_SOURCE_DIR}|\1 SYSTEM $includedir|" \
+-e "s|\(CMAKE_MINIMUM_REQUIRED\)(VERSION 3.1)|\1(VERSION 2.8)|" \
      -i.bak CMakeLists.txt
 
-# It seems that it is no longer necessary to remove ${cppad_lib} from 
-# CMakeLists.txt files. If this works out, remove this comment next year 2019.
-
+# -----------------------------------------------------------------------------
+# build
 # -----------------------------------------------------------------------------
 %build
 # See https://fedoraproject.org/wiki/Packaging:Cmake?rd=Packaging/cmake
@@ -138,17 +131,14 @@ cppad_cxx_flags='-Wall -pedantic-errors -std=c++11 -Wshadow -Wconversion'
      .
 make %{?_smp_mflags}
 
+# -----------------------------------------------------------------------------
+# Install
 # -----------------------------------------------------------------------------
 %install
 rm -rf %{buildroot}
 make install DESTDIR=%{buildroot}
 
-# -----------------------------------------------------------------------------
-# use the installed include files to compile and run the tests
-%check
-make check
 
-# -----------------------------------------------------------------------------
 %files devel
 %defattr(-,root,root,-)
 %doc COPYING uw_copy_040507.html
@@ -159,8 +149,21 @@ make check
 %defattr(-,root,root,-)
 %{_docdir}/%{name}
 
+# -----------------------------------------------------------------------------
+# Check
+# -----------------------------------------------------------------------------
+# use the installed include files to compile and run the tests
+%check
+make check
+
 # ----------------------------------------------------------------------------
 %changelog
+* Tue Jan 02 2018 Brad Bell <bradbell at seanet dot com> - 20180000.0-1
+- fedpkg lint no longer generates spelling error for use of 'devel'.
+- Comment out %%clean because only the normal build area is used.
+- Change minumum cmake version to 2.8 (needed for epel7 branch).
+- Use comments to better group to sections of the spec file.
+
 * Mon Jan 01 2018 Brad Bell <bradbell at seanet dot com> - 20180000.0-1
 - Advance to version 2018 of cppad.