AC_CONFIG_MACRO_DIR([m4])
AC_INIT(movit, git)
LT_INIT
+PKG_PROG_PKG_CONFIG
AC_CONFIG_SRCDIR(effect.cpp)
+AC_CONFIG_AUX_DIR(.)
AC_PROG_CC
AC_PROG_CXX
PKG_CHECK_MODULES([Eigen3], [eigen3])
-PKG_CHECK_MODULES([GLEW], [glew])
+PKG_CHECK_MODULES([epoxy], [epoxy])
PKG_CHECK_MODULES([FFTW3], [fftw3])
-# Needed for unit tests and the demo app.
-PKG_CHECK_MODULES([SDL], [sdl])
+CXXFLAGS="$CXXFLAGS -std=gnu++11"
-# These are only needed for the demo app.
+# Needed for unit tests and the demo app.
with_demo_app=yes
-PKG_CHECK_MODULES([SDL_image], [SDL_image], [], [with_demo_app=no; AC_MSG_WARN([SDL_image not found, demo program will not be built])])
-PKG_CHECK_MODULES([libpng], [libpng12], [], [with_demo_app=no; AC_MSG_WARN([libpng12 not found, demo program will not be built])])
+PKG_CHECK_MODULES([SDL2], [sdl2])
+
+# This is only needed for the demo app.
+PKG_CHECK_MODULES([SDL2_image], [SDL2_image], [], [with_demo_app=no; AC_MSG_WARN([SDL2_image not found, demo program will not be built])])
+PKG_CHECK_MODULES([libpng], [libpng], [], [with_demo_app=no; AC_MSG_WARN([libpng not found, demo program will not be built])])
+
+# This is only needed for microbenchmarks, so optional.
+PKG_CHECK_MODULES([benchmark], [benchmark], [with_benchmark=yes], [with_benchmark=no; AC_MSG_WARN([Google microbenchmark framework not found, microbenchmarks will not be built])])
AC_SUBST([with_demo_app])
+AC_SUBST([with_benchmark])
with_coverage=no
AC_ARG_ENABLE([coverage], [ --enable-coverage build with information needed to compute test coverage], [with_coverage=yes])