errors=0
+printf "Checking for pkg-config... "
if pkg-config --version > /dev/null 2>&1; then
- have_pkg_config=1
+ printf "Yes.\n"
else
- have_pkg_config=0
+ printf "No.\n"
+ cat <<EOF
+
+*** Error: This configure script requires pkg-config to find the
+compilation flags required to link against the various libraries
+needed by ${PROJECT}. The pkg-config program can be obtained from:
+
+ http://www.freedesktop.org/wiki/Software/pkg-config/
+
+Or you may be able install it with a command such as:
+
+ sudo apt-get install pkg-config
+ or:
+ sudo yum install pkgconfig
+
+EOF
+
+exit 1
+
fi
-printf "Checking for talloc development files... "
+printf "Checking for working C compiler (${CC})... "
+printf "int main(void){return 42;}\n" > minimal.c
+if ${CC} -o minimal minimal.c > /dev/null 2>&1
+then
+ printf "Yes.\n"
+else
+ printf "No.\n"
+ cat <<EOF
+
+*** Error: No functioning C compiler found. Either set the CC environment
+to a working C compiler, or else install gcc:
+
+ http://gcc.gnu.org/
+
+You may be able to install gcc with a command such as:
+
+ sudo apt-get install build-essential
+ or:
+ sudo yum install make automake gcc gcc-c++ kernel-devel
+
+EOF
+
+exit 1
+
+fi
+
+printf "Checking for libtalloc... "
if pkg-config --exists talloc; then
printf "Yes.\n"
have_talloc=1
errors=$((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 ${CC} -o elf-minimal elf-minimal.c -lelf > /dev/null 2>&1
+then
+ printf "Yes.\n"
+ have_libelf=1
+ libelf_cflags=
+ libelf_ldflags=-lelf
+else
+ printf "No.\n"
+ have_libelf=0
+ libelf_cflags=
+ libelf_ldflags=
+ errors=$((errors + 1))
+fi
+rm -f elf-minimal elf-minimal.c
+
+printf "Checking for GL/gl.h... "
+have_gl=0
+if pkg-config --exists gl; then
+ printf "Yes.\n"
+ have_gl=1
+ gl_cflags=$(pkg-config --cflags gl)
+ gl_ldflags=$(pkg-config --libs gl)
+else
+ printf"No.\n"
+ have_gl=0
+ errors=$((errors + 1))
+fi
+
+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
+
+if [ $have_gl_winsys -eq 0 ]; then
+ errors=$((errors + 1))
+fi
+
+printf " Checking for X11... "
+have_x11=No
+if pkg-config --exists x11; then
+ printf "Yes.\n"
+ have_x11=Yes
+ x11_cflags=$(pkg-config --cflags x11)
+ x11_ldflags=$(pkg-config --libs x11)
+else
+ printf "No.\n"
+fi
+
+printf " Checking for EGL/egl.h... "
+have_egl=No
+if pkg-config --exists egl; then
+ printf "Yes.\n"
+ have_egl=Yes
+ egl_cflags=$(pkg-config --cflags egl)
+ egl_ldflags=$(pkg-config --libs egl)
+else
+ printf "No.\n"
+fi
+
+printf " Checking for GLESv2... "
+have_glesv2=No
+if pkg-config --exists glesv2; then
+ printf "Yes.\n"
+ have_glesv2=Yes
+ glesv2_cflags=$(pkg-config --cflags glesv2)
+ glesv2_ldflags=$(pkg-config --libs glesv2)
+else
+ printf "No.\n"
+fi
+
+printf "int main(void){return 0;}\n" > minimal.c
+
+WARN_CFLAGS=""
+printf "Checking for available C compiler warning flags:\n"
+for flag in -Wall -Wextra -Wmissing-declarations; do
+ if ${CC} $flag -o minimal minimal.c > /dev/null 2>&1
+ then
+ WARN_CFLAGS="${WARN_CFLAGS}${WARN_CFLAGS:+ }${flag}"
+ fi
+done
+printf "\t${WARN_CFLAGS}\n"
+
+rm -f minimal minimal.c
+
+printf "#include <features.h>\nint main(void){return 0;}\n" > arch-minimal.c
+
+printf "Checking for machine-dependent compiler support:\n"
+
+printf " Compiler can create 32-bit binaries... "
+have_m32=Yes
+if ${CC} -m32 -o arch-minimal arch-minimal.c > /dev/null 2>&1
+then
+ printf "Yes.\n"
+else
+ printf "No.\n"
+ have_m32=No
+fi
+
+printf " Compiler can create 64-bit binaries... "
+have_m64=Yes
+if ${CC} -m64 -o arch-minimal arch-minimal.c > /dev/null 2>&1
+then
+ printf "Yes.\n"
else
- printf "Unknown.\n"
+ printf "No.\n"
+ have_m64=No
+fi
+
+if [ "$have_m32" = "No" ] || [ "$have_m64" = "No" ]; then
cat <<EOF
-*** Warning: Unknown platform. ${PROJECT} might or might not build correctly.
+* Warning: Cannot create both 32 and 64-bit fips libraries. Fips will not
+ support applications of the non-native size. Fixing this may be
+ as simple as running a command such as:
+ sudo apt-get install gcc-multilib
EOF
fi
+rm -f arch-minimal arch-minimal.c
+
if [ $errors -gt 0 ]; then
cat <<EOF
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.
-EOF
- if [ $have_pkg_config -eq 0 ]; then
-cat <<EOF
-Note: the pkg-config program is not available. This configure script
-uses pkg-config to find the compilation flags required to link against
-the various libraries needed by ${PROJECT}. It's possible you simply need
-to install pkg-config with a command such as:
-
- sudo apt-get install pkg-config
-Or:
- sudo yum install pkgconfig
-
-But if pkg-config is not available for your system, then you will need
-to modify the configure script to manually set the cflags and ldflags
-variables to the correct values to link against each library in each
-case that pkg-config could not be used to determine those values.
-
-EOF
- fi
-cat <<EOF
When you have installed the necessary dependencies, you can run
configure again to ensure the packages can be found, or simply run
"make" to compile.
exit 1
fi
-printf "int main(void){return 0;}\n" > minimal.c
+cat <<EOF
-WARN_CFLAGS=""
-printf "Checking for available C compiler warning flags... "
-for flag in -Wall -Wextra -Wmissing-declarations; do
- if ${CC} $flag -o minimal minimal.c > /dev/null 2>&1
- then
- WARN_CFLAGS="${WARN_CFLAGS}${WARN_CFLAGS:+ }${flag}"
- fi
-done
-printf "\n\t${WARN_CFLAGS}\n"
+All required packages were found.
-rm -f minimal minimal.c
+The following OpenGL window-system bindings will be supported:
-cat <<EOF
+ GLX: ${have_glx}
+ EGL: ${have_egl}
-All required packages were found. You may now run the following
-commands to compile and install ${PROJECT}:
+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}
+# Whether compiler can create 32 or 64-bit binaries
+COMPILER_SUPPORTS_32 = ${have_m32}
+COMPILER_SUPPORTS_64 = ${have_m64}
# 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 compile and link against libGL
+GL_CFLAGS = ${gl_cflags}
+GL_LDFLAGS = ${gl_ldflags}
+
+# Whether X11 headers and library are available
+HAVE_X11 = ${have_x11}
+
+# Flags needed to compile and link against libX11
+X11_CLFLAGS = ${x11_cflags}
+X11_LDFLAGS = ${x11_ldflags}
+
+# Whether EGL headers are available
+HAVE_EGL = ${have_egl}
+
+# Flags needed to find EGL header files (EGL/egl.h)
+EGL_CFLAGS = ${egl_cflags}
+EGL_LDFLAGS = ${egl_ldflags}
+
+# Whether GLESv2 headers and library are available
+HAVE_GLESV2 = ${have_glesv2}
+
+# Flags needed to compile and link against GLESv2
+GLESV2_CFLAGS = ${glesv2_cflags}
+GLESV2_LDFLAGS = ${glesv2_ldflags}
+
# 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)
EOF
# construct config.h