errors=$((errors + 1))
fi
-printf "Checking which platform we are on... "
-uname=`uname`
-if [ $uname = "Darwin" ] ; then
- printf "Mac OS X.\n"
- platform=MACOSX
- linker_resolves_library_dependencies=0
-elif [ $uname = "SunOS" ] ; then
- printf "Solaris.\n"
- platform=SOLARIS
- linker_resolves_library_dependencies=0
-elif [ $uname = "FreeBSD" ] ; then
- printf "FreeBSD.\n"
- platform=FREEBSD
- linker_resolves_library_dependencies=0
-elif [ $uname = "OpenBSD" ] ; then
- printf "OpenBSD.\n"
- platform=OPENBSD
- linker_resolves_library_dependencies=0
-elif [ $uname = "Linux" ] || [ $uname = "GNU" ] ; then
- printf "$uname\n"
- platform="$uname"
- linker_resolves_library_dependencies=1
+printf "Checking for libelf... "
+printf "#include <gelf.h>\nint main(void){return elf_version (EV_CURRENT);}\n" > elf-minimal.c
+if ${CC} -o elf-minimal elf-minimal.c -lelf > /dev/null 2>&1
+then
+ printf "Yes.\n"
+ have_libelf=1
+ libelf_cflags=
+ libelf_ldflags=-lelf
else
- printf "Unknown.\n"
- cat <<EOF
+ printf "No.\n"
+ have_libelf=0
+ libelf_cflags=
+ libelf_ldflags=
+ errors=$((errors + 1))
+fi
+rm -f elf-minimal elf-minimal.c
-*** Warning: Unknown platform. ${PROJECT} might or might not build correctly.
+printf "Checking for OpenGL header file GL/gl.h... "
+have_gl=0
+if pkg-config --exists gl; then
+ printf "Yes.\n"
+ have_gl=1
+ gl_cflags=$(pkg-config --cflags gl)
+else
+ printf "#include <GL/gl.h>\nint main(void){return 0;}\n" > gl-minimal.c
+ if ${CC} -o gl-minimal gl-minimal.c > /dev/null 2>&1
+ then
+ printf "Yes.\n"
+ have_gl=1
+ else
+ printf "No.\n"
+ errors=$((errors + 1))
+ fi
+ rm -f gl-minimal gl-minimal.c
+fi
-EOF
+printf "Checking for GL window-system-binding headers:\n"
+have_gl_winsys=0
+
+printf " Checking for GL/glx.h... "
+have_glx=No
+printf "#include <GL/glx.h>\nint main(void){return 0;}\n" > glx-minimal.c
+if ${CC} -o glx-minimal glx-minimal.c ${gl_cflags} > /dev/null 2>&1
+then
+ printf "Yes.\n"
+ have_gl_winsys=1
+ have_glx=Yes
+else
+ printf "No.\n"
+fi
+rm -f glx-minimal glx-minimal.c
+
+printf " Checking for GL/egl.h... "
+have_egl=No
+if pkg-config --exists egl; then
+ printf "Yes.\n"
+ have_egl=Yes
+ egl_cflags=$(pkg-config --cflags egl)
+else
+ printf "#include <GL/egl.h>\nint main(void){return 0;}\n" > egl-minimal.c
+ if ${CC} -o egl-minimal egl-minimal.c ${gl_cflags} > /dev/null 2>&1
+ then
+ printf "Yes.\n"
+ have_gl_winsys=1
+ have_egl=1
+ else
+ printf "No.\n"
+ fi
+ rm -f egl-minimal egl-minimal.c
+fi
+
+if [ $have_gl_winsys -eq 0 ]; then
+ errors=$((errors + 1))
fi
if [ $errors -gt 0 ]; then
echo " http://talloc.samba.org/"
echo
fi
+ if [ $have_libelf -eq 0 ]; then
+ echo " The libelf library (including development files such as headers)"
+ echo " http://http://sourceforge.net/projects/elftoolchain/"
+ echo
+ fi
+ if [ $have_gl -eq 0 ]; then
+ echo " Open GL header files (GL/gl.h)"
+ echo " http://www.mesa3d.org/"
+ echo
+ fi
+ if [ $have_gl_winsys -eq 0 ]; then
+ echo " OpenGL window-system-bindings header files (GL/glx.h and/or GL/egl.h)"
+ echo " http://www.mesa3d.org/"
+ echo
+ fi
cat <<EOF
With any luck, you're using a modern, package-based operating system
that has all of these packages available in the distribution. In that
On Debian and similar systems:
- sudo apt-get install libtalloc-dev
+ sudo apt-get install libtalloc-dev libelf-dev \\
+ libgl1-mesa-dev libgles2-mesa-dev
Or on Fedora and similar systems:
- sudo yum install libtalloc-devel
+ sudo yum install libtalloc-devel libelf-devel \\
+ mesa-libGL-devel mesa-libGLES-devel
On other systems, similar commands can be used, but the details of the
package names may be different.
cat <<EOF
-All required packages were found. You may now run the following
-commands to compile and install ${PROJECT}:
+All required packages were found.
+
+The following OpenGL window-system bindings will be supported:
+
+ GLX: ${have_glx}
+ EGL: ${have_egl}
+
+You may now run the following commands to compile and install ${PROJECT}:
make
sudo make install
# The directory to which read-only (configuration) files should be installed
sysconfdir = ${SYSCONFDIR:=\$(prefix)/etc}
-# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS, FREEBSD, OPENBSD
-PLATFORM = ${platform}
-
-# Whether the linker will automatically resolve the dependency of one
-# library on another (if not, then linking a binary requires linking
-# directly against both)
-LINKER_RESOLVES_LIBRARY_DEPENDENCIES = ${linker_resolves_library_dependencies}
-
# Flags needed to compile and link against talloc
TALLOC_CFLAGS = ${talloc_cflags}
TALLOC_LDFLAGS = ${talloc_ldflags}
+# Flags needed to compile and link against libelf
+LIBELF_CFLAGS = ${libelf_cflags}
+LIBELF_LDFLAGS = ${libelf_ldflags}
+
+# Whether GLX headers are available
+HAVE_GLX = ${have_glx}
+
+# Flags needed to find GL and GLX header files (GL/gl.h and GL/glx.h)
+GL_CFLAGS = ${gl_cflags}
+
+# Whether EGL headers are available
+HAVE_EGL = ${have_egl}
+
+# Flags needed to find EGL header files (EGL/egl.h)
+EGL_CFLAGS = ${egl_cflags}
+
# Flags needed to have linker link only to necessary libraries
AS_NEEDED_LDFLAGS = ${as_needed_ldflags}
# Combined flags for compiling and linking against all of the above
-CONFIGURE_CFLAGS = \$(TALLOC_CFLAGS)
-CONFIGURE_LDFLAGS = \$(TALLOC_LDFLAGS)
+CONFIGURE_CFLAGS = \$(TALLOC_CFLAGS) \$(LIBELF_CFLAGS) \$(GL_CFLAGS) \$(EGL_CFLAGS)
+CONFIGURE_LDFLAGS = \$(TALLOC_LDFLAGS) \$(LIBELF_LDFLAGS)
EOF
# construct config.h
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