Use ccache for OS X Travis build

Notable speedup in OS X CI build times (from 12-18 minutes to 5-8 minutes)

Increase ccache size to 100 megs. Print ccache stats at end of build.

Doesn't work for the coverage build because the version of ccache
in Trusty doesn't support the flag.

2 files changed, 25 insertions, 18 deletions

diff --git a/src/scripts/ci/travis/build.sh b/src/scripts/ci/travis/build.sh
index 78fd75c52..8cdb6ccc9 100755
--- a/src/scripts/ci/travis/build.sh
+++ b/src/scripts/ci/travis/build.sh
@@ -20,30 +20,27 @@ if [ "$BOOST" = "y" ]; then
     CFG_FLAGS+=(--with-boost)
 fi
 
+CFG_FLAGS+=(--with-pkcs11 --prefix=/tmp/botan-installation)
+
 # enable ccache
-if [ "$TRAVIS_OS_NAME" = "linux" ] && [ "$BUILD_MODE" != "sonarqube" ]; then
-    ccache --max-size=30M
+if [ "$BUILD_MODE" != "sonarqube" ]; then
+    ccache --max-size=100M
     ccache --show-stats
-
     export CXX="ccache $CXX"
 fi
 
 # configure
 if [ "$TARGETOS" = "ios32" ]; then
-    ./configure.py "${CFG_FLAGS[@]}" --cpu=armv7 --cc=clang \
-        --cc-abi-flags="-arch armv7 -arch armv7s -stdlib=libc++" \
-        --with-pkcs11 --prefix=/tmp/botan-installation
+    ./configure.py "${CFG_FLAGS[@]}" --cpu=armv7 --cc=clang --cc-bin="$CXX" \
+        --cc-abi-flags="-arch armv7 -arch armv7s -stdlib=libc++"
 
 elif [ "$TARGETOS" = "ios64" ]; then
-    ./configure.py "${CFG_FLAGS[@]}" --cpu=armv8-a --cc=clang \
-        --cc-abi-flags="-arch arm64 -stdlib=libc++" \
-        --with-pkcs11 --prefix=/tmp/botan-installation
+    ./configure.py "${CFG_FLAGS[@]}" --cpu=armv8-a --cc=clang --cc-bin="$CXX" \
+        --cc-abi-flags="-arch arm64 -stdlib=libc++"
 
 else
-    $CXX --version
     ./configure.py "${CFG_FLAGS[@]}" --cc="$CC" --cc-bin="$CXX" \
-        --with-bzip2 --with-lzma --with-openssl --with-sqlite --with-zlib \
-        --with-pkcs11 --prefix=/tmp/botan-installation
+        --with-bzip2 --with-lzma --with-openssl --with-sqlite --with-zlib
 fi
 
 # build
@@ -55,6 +52,11 @@ else
     make -j 2
 fi
 
+# Show post-build ccache stats
+if [ "$BUILD_MODE" != "sonarqube" ]; then
+    ccache --show-stats
+fi
+
 # Run SonarQube analysis
 if [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "$BUILD_MODE" = "sonarqube" ]; then
     # => This will run a full analysis of the project and push results to the SonarQube server.
diff --git a/src/scripts/ci/travis/install.sh b/src/scripts/ci/travis/install.sh
index 387ccef6c..a9d38ed80 100755
--- a/src/scripts/ci/travis/install.sh
+++ b/src/scripts/ci/travis/install.sh
@@ -18,14 +18,19 @@ if [ "$BUILD_MODE" = "sonarqube" ]; then
     unzip build-wrapper-linux-x86.zip
 fi
 
-if [ "$TRAVIS_OS_NAME" = "osx" ] && [ "$TARGETOS" != "ios" ]; then
+if [ "$TRAVIS_OS_NAME" = "osx" ]; then
     # Workaround for https://github.com/Homebrew/homebrew/issues/42553
     brew update || brew update
 
-    brew install xz
-    brew install python # python2
-    brew install python3
+    brew install ccache
+
+    if [ "$TARGETOS" = "native" ]; then
+        brew install xz
+        brew install python # python2
+        brew install python3
+
+        # Boost 1.58 is installed on Travis OS X images
+        # brew install boost
+    fi
 
-    # Boost 1.58 is installed on Travis OS X images
-    # brew install boost
 fi