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
fi
rm -f elf-minimal elf-minimal.c
-printf "Checking for OpenGL header file GL/gl.h... "
+printf "Checking for GL/gl.h... "
have_gl=0
if pkg-config --exists gl; then
printf "Yes.\n"
printf "Checking for GL window-system-binding headers:\n"
have_gl_winsys=0
-printf " Checking for GL/glx.h... "
+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 ${gl_cflags} > /dev/null 2>&1
fi
rm -f glx-minimal glx-minimal.c
-printf " Checking for GL/egl.h... "
+printf " Checking for EGL/egl.h... "
have_egl=No
if pkg-config --exists egl; then
printf "Yes.\n"
have_egl=Yes
egl_cflags=$(pkg-config --cflags egl)
else
- printf "#include <GL/egl.h>\nint main(void){return 0;}\n" > egl-minimal.c
+ printf "#include <EGL/egl.h>\nint main(void){return 0;}\n" > egl-minimal.c
if ${CC} -o egl-minimal egl-minimal.c ${gl_cflags} > /dev/null 2>&1
then
printf "Yes.\n"
errors=$((errors + 1))
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 ${CC} -m64 -o arch-minimal arch-minimal.c > /dev/null 2>&1
+then
+ printf "Yes.\n"
+else
+ printf "No.\n"
+ have_m64=No
+fi
+
+if [ "$have_m32" = "No" ] || [ "$have_m64" = "No" ]; then
+ cat <<EOF
+
+* 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
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
-
-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"
-
-rm -f minimal minimal.c
-
cat <<EOF
All required packages were found.
# The directory to which read-only (configuration) files should be installed
sysconfdir = ${SYSCONFDIR:=\$(prefix)/etc}
+# 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 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) \$(LIBELF_CFLAGS) \$(GL_CFLAGS) \$(EGL_CFLAGS)
-CONFIGURE_LDFLAGS = \$(TALLOC_LDFLAGS) \$(LIBELF_LDFLAGS)
EOF
# construct config.h
projects / fips / blobdiff