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ima-evm-utils-mirror/configure.ac
Vitaly Chikunov b628d8bfdb ima-evm-utils: Extract digest algorithms from hash_info.h
If configured with "--with-kernel-headers=PATH" try to extract hash
algorithms from "hash_info.h" from the kernel source tree or
kernel-headers package located in the specified path. (Otherwise, it
will be tried to get from the installed kernel.)

This also introduces two algorithm lists, one is built-in and another is
from the kernel source. (They should never contain conflicting algorithm
IDs by their append-only nature.) If the digest is not found in the
built-in list it will be searched in the list from kernel's
"hash_info.h".

This patch will allow evmctl to be just recompiled to work with digest
algorithms introduced in the newer kernels.

Suggested-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2019-04-03 16:47:37 -04:00

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# autoconf script
AC_PREREQ([2.65])
AC_INIT(ima-evm-utils, 1.1, zohar@linux.vnet.ibm.com)
AM_INIT_AUTOMAKE
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST
# Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
#AC_PROG_CXX
#AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LIBTOOL
#AC_PROG_LN_S
LT_INIT
# FIXME: Replace `main' with a function in `-lpthread':
#AC_CHECK_LIB([pthread], [main])
# Checks for header files.
AC_HEADER_STDC
PKG_CHECK_MODULES(OPENSSL, [ openssl >= 0.9.8 ])
AC_SUBST(OPENSSL_CFLAGS)
AC_SUBST(OPENSSL_LIBS)
AC_SUBST(KERNEL_HEADERS)
AC_CHECK_HEADER(unistd.h)
AC_CHECK_HEADERS(openssl/conf.h)
AC_CHECK_HEADERS(sys/xattr.h, , [AC_MSG_ERROR([sys/xattr.h header not found. You need the c-library development package.])])
AC_CHECK_HEADERS(keyutils.h, , [AC_MSG_ERROR([keyutils.h header not found. You need the libkeyutils development package.])])
AC_ARG_WITH(kernel_headers, [AS_HELP_STRING([--with-kernel-headers=PATH],
[specifies the Linux kernel-headers package location or kernel root directory you want to use])],
[KERNEL_HEADERS="$withval"],
[KERNEL_HEADERS=/lib/modules/$(uname -r)/source])
#debug support - yes for a while
PKG_ARG_ENABLE(debug, "yes", DEBUG, [Enable Debug support])
if test $pkg_cv_enable_debug = yes; then
CFLAGS="$CFLAGS -g -O1 -Wall -Wstrict-prototypes -pipe"
else
CFLAGS="$CFLAGS -Wall -Wstrict-prototypes -pipe -fomit-frame-pointer"
fi
EVMCTL_MANPAGE_DOCBOOK_XSL
# for gcov
#CFLAGS="$CFLAGS -Wall -fprofile-arcs -ftest-coverage"
#CXXFLAGS="$CXXFLAGS -Wall -fprofile-arcs -ftest-coverage"
#LDFLAGS="$LDFLAGS -fprofile-arcs"
#DISTCLEANFILES="*.gcno *.gcda"
AC_CONFIG_FILES([Makefile
src/Makefile
packaging/ima-evm-utils.spec
])
AC_OUTPUT
# Give some feedback
echo
echo
echo "Configuration:"
echo " debug: $pkg_cv_enable_debug"
echo