TRAVIS: Simplify

This only does a debian:testing build. Build matrix is limited
to speed up build, but should suffice.

.travis.yml

@@ -2,34 +2,18 @@ sudo: required
 services:
   - docker
 
+language: c
+
 env:
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--with-gtk3 --with-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--with-gtk3 --without-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--without-gtk3 --with-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--without-gtk3 --without-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--with-gtk3 --with-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--with-gtk3 --without-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--without-gtk3 --with-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Gentoo" BUILD_FLAGS="--without-gtk3 --without-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--with-gtk3 --with-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--with-gtk3 --without-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--without-gtk3 --with-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--without-gtk3 --without-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--with-gtk3 --with-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--with-gtk3 --without-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--without-gtk3 --with-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Debian" BUILD_FLAGS="--without-gtk3 --without-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--with-gtk3 --with-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--with-gtk3 --without-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--without-gtk3 --with-libnotify"
-  - CC="clang" CFLAGS="-O2 -g -Wall -Wextra -Werror -Wno-incompatible-library-redeclaration -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--without-gtk3 --without-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--with-gtk3 --with-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--with-gtk3 --without-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--without-gtk3 --with-libnotify"
-  - CC="gcc" CFLAGS="-O2 -g -Wall -Wextra -Werror -fno-builtin -Wno-deprecated-declarations" OS="Ubuntu" BUILD_FLAGS="--without-gtk3 --without-libnotify"
+    - CC=gcc WITH_GTK3=OFF WITH_LIBNOTIFY=OFF ENABLE_NLS=OFF CMAKE_GENERATOR="Ninja"
+    - CC=gcc WITH_GTK3=OFF WITH_LIBNOTIFY=ON ENABLE_NLS=ON CMAKE_GENERATOR="Unix Makefiles"
+    - CC=gcc WITH_GTK3=ON WITH_LIBNOTIFY=OFF ENABLE_NLS=OFF CMAKE_GENERATOR="Unix Makefiles"
+    - CC=gcc WITH_GTK3=ON WITH_LIBNOTIFY=ON ENABLE_NLS=ON CMAKE_GENERATOR="Ninja"
+    - CC=clang WITH_GTK3=ON WITH_LIBNOTIFY=ON ENABLE_NLS=ON CMAKE_GENERATOR="Ninja"
 
-before_install: ./.travis/before_install.sh
+before_install:
+    - docker pull debian:unstable
 
-install: ./.travis/install.sh
+script:
+    - docker run -ti -v "`pwd`":/pnmixer debian:unstable sh -c "apt-get update && apt-get install -y clang cmake doxygen gettext libasound2-dev libgtk-3-dev libgtk2.0-dev libnotify-dev ninja-build && cd /pnmixer && mkdir build && cd build && cmake -DWITH_GTK3=${WITH_GTK3} -DWITH_LIBNOTIFY=${WITH_LIBNOTIFY} -DENABLE_NLS=${ENABLE_NLS} -DBUILD_DOCUMENTATION=ON -G \"${CMAKE_GENERATOR}\" -DCMAKE_C_COMPILER=\"${CC}\" .. && if [ \"${CMAKE_GENERATOR}\" = \"Ninja\" ] ; then ninja && DESTDIR=`pwd`/install ninja install ; else make && make DESTDIR=`pwd`/install install ; fi"
 
-script: ./.travis/script.sh