travis: Add ngtcp2 and quiche tests for CMake

To avoid an explosion of jobs, extend the existing CMake tests with
ngtcp2 and quiche support. macOS was previously moved to GitHub actions,
so the non-Linux case can be dropped.

.travis.yml

@@ -299,9 +299,15 @@ matrix:
         - os: linux
           compiler: gcc
           dist: bionic
+          before_install:
+              # Install and use the current stable release of Go (for boringssl)
+              - gimme --list
+              - eval "$(gimme stable)"
+              - gimme --list
           env:
-              - T=cmake
+              - T=cmake BORINGSSL=yes QUICHE=yes C="-DUSE_QUICHE=1 -DOPENSSL_ROOT_DIR=$HOME/boringssl"
               - OVERRIDE_CC="CC=gcc-8" OVERRIDE_CXX="CXX=g++-8"
+              - PKG_CONFIG_PATH="$HOME/quiche/target/release"
           addons:
               apt:
                   sources:
@@ -314,8 +320,9 @@ matrix:
           compiler: clang
           dist: bionic
           env:
-              - T=cmake
+              - T=cmake NGTCP2=yes C="-DUSE_NGTCP2=ON"
               - OVERRIDE_CC="CC=clang-7" OVERRIDE_CXX="CXX=clang++-7"
+              - PKG_CONFIG_PATH="$HOME/ngbuild/lib/pkgconfig"
           addons:
               apt:
                   sources:

scripts/travis/script.sh

@@ -106,13 +106,8 @@ if [ "$T" = "iconv" ]; then
 fi
 
 if [ "$T" = "cmake" ]; then
-  if [ $TRAVIS_OS_NAME = linux ]; then
-    cmake -H. -Bbuild -DCURL_WERROR=ON
-    cmake --build build
-  else
-    cmake -H. -Bbuild -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl -DCURL_DISABLE_LDAP=ON -DCURL_DISABLE_LDAPS=ON
-    cmake --build build
-  fi
+  cmake -H. -Bbuild -DCURL_WERROR=ON $C
+  cmake --build build
 fi
 
 if [ "$T" = "distcheck" ]; then