diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index e0ee467..68ff97a 100644 --- a/configure.ac +++ b/configure.ac @@ -47,9 +47,26 @@ m4_ifndef([PKG_PROG_PKG_CONFIG], ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])]) PKG_PROG_PKG_CONFIG() -dnl Get the pkg-config definitions for libGL. We include a fallback -dnl path for GL implementation that don't provide a .pc file -PKG_CHECK_MODULES(GL, [gl], [], [ +AC_ARG_ENABLE(osmesa, + AS_HELP_STRING([--enable-osmesa], + [Enable use of OSMesa instead of libGL]), + [OSMESA="$enableval"], + [OSMESA=no]) + +dnl Get the pkg-config definitions for libGL/OSMesa. We include a fallback +dnl path for implementations that don't provide a .pc file +if test "x$OSMESA" = "xyes"; then + PKG_CHECK_MODULES(OSMESA, [osmesa], [], [ + AC_CHECK_HEADER([GL/osmesa.h], + [], + AC_MSG_ERROR([OSMesa not found])) + AC_CHECK_LIB([OSMesa], + [glBegin], + [OSMESA_LIBS=-lOSMesa], + AC_MSG_ERROR([OSMesa required])) + ]) +else + PKG_CHECK_MODULES(GL, [gl], [], [ AC_CHECK_HEADER([GL/gl.h], [], AC_MSG_ERROR([GL not found])) @@ -58,6 +75,7 @@ PKG_CHECK_MODULES(GL, [gl], [], [ [GL_LIBS=-lGL], AC_MSG_ERROR([GL required])) ]) +fi dnl Set up C warning flags. if test "x$GCC" = xyes; then |