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dnl
define([AC_INIT_NOTICE],
[### Generated automatically using autoconf version] AC_ACVERSION [
### Copyright 2009-2023 Steve Grubb <sgrubb@redhat.com>
###
### Permission is hereby granted, free of charge, to any person obtaining a
### copy of this software and associated documentation files (the "Software"),
### to deal in the Software without restriction, including without limitation
### the rights to use, copy, modify, merge, publish, distribute, sublicense,
### and/or sell copies of the Software, and to permit persons to whom the
### Software is furnished to do so, subject to the following conditions:
###
### The above copyright notice and this permission notice shall be included
### in all copies or substantial portions of the Software.
###
### THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
### IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
### FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
### THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
### OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
### ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
### OTHER DEALINGS IN THE SOFTWARE.
###
### For usage, run `./configure --help'
### For more detailed information on installation, read the file `INSTALL'.
###
### If configuration succeeds, status is in the file `config.status'.
### A log of configuration tests is in `config.log'.
])
AC_REVISION($Revision: 1.3 $)dnl
AC_INIT([libcap-ng],[0.8.5])
AC_PREREQ([2.50])dnl
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
echo Configuring libcap-ng $VERSION
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE
LT_INIT
AC_SUBST(LIBTOOL_DEPS)
echo .
echo Checking for programs
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_AWK
echo .
echo Checking for header files
AC_CHECK_HEADERS(linux/capability.h, [], [AC_MSG_ERROR(linux/capability.h is required in order to build libcap-ng.)])
AC_CHECK_HEADERS(sys/xattr.h, [], [
AC_CHECK_HEADERS(attr/xattr.h, [], [AC_MSG_WARN(attr/xattr.h not found, disabling file system capabilities.)])
])
AC_CHECK_HEADERS(linux/securebits.h, [], [])
AC_CHECK_HEADERS(pthread.h,
[AC_SEARCH_LIBS(pthread_atfork, pthread)],
[AC_MSG_WARN(pthread.h not found, disabling pthread_atfork.)])
AC_CHECK_HEADERS(sys/vfs.h, [
AC_CHECK_HEADERS(linux/magic.h, [], [AC_MSG_WARN(linux/magic.h is required in order to verify procfs.)])
], [AC_MSG_WARN(sys/vfs.h is required in order to verify procfs.)])
AC_ARG_WITH([capability_header],
[AS_HELP_STRING([--with-capability_header=path : path to capability.h])],
[CAPABILITY_HEADER=$withval],
[CAPABILITY_HEADER=/usr/include/linux/capability.h])
AC_SUBST(CAPABILITY_HEADER)
ALLWARNS=""
ALLDEBUG="-g"
OPT="-O"
if test x"$GCC" = x"yes"; then
OPT="-O2 -pipe"
case "$target" in
*linux*)
ALLWARNS="-W -Wall -Wundef -Wpointer-arith -Wcast-align \
-Wwrite-strings -Waggregate-return -Wstrict-prototypes \
-Wmissing-prototypes -Wmissing-declarations -Wredundant-decls \
-Wnested-externs -Winline -Wfloat-equal -Wchar-subscripts"
;;
esac
fi
ALLDEBUG="-g"
AC_ARG_WITH(debug,
[ --with-debug turn on debugging [[default=no]]],
[
if test "x${withval}" = xyes; then
DEBUG="$ALLDEBUG"
OPT="-O"
AM_CONDITIONAL(DEBUG, true)
else
DEBUG="-DNDEBUG"
AM_CONDITIONAL(DEBUG, false)
fi
],
[ DEBUG="-DNDEBUG"; AM_CONDITIONAL(DEBUG, false) ])
AC_MSG_CHECKING(__attr_dealloc_free support)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[
#include <stdio.h>
extern char *test(const char *name) __attr_dealloc_free;
int main(void) { return 0; }]])],
[DEALLOC="yes"],
[DEALLOC="no"]
)
AC_MSG_RESULT($DEALLOC)
AC_ARG_WITH(warn,
[ --with-warn turn on warnings [[default=yes]]],
[
if test "x${withval}" = xyes; then
WARNS="$ALLWARNS"
else
WARNS=""
fi
],WARNS="$ALLWARNS")
AC_SUBST(DEBUG)
WFLAGS=""
AC_MSG_CHECKING(for -Wformat-truncation)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Wformat-truncation"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[WFLAGS="-Wno-format-truncation"
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
CFLAGS="${TMPCFLAGS}"
AC_SUBST(WFLAGS)
AC_CHECK_HEADER(sys/syscall.h,
[AC_DEFINE([HAVE_SYSCALL_H], [1],
[Define to 1 if you have <sys/syscall.h>.])], [],)
dnl; This is to record in the build logs what options are being taken
AC_CHECK_DECLS([PR_CAP_AMBIENT], [], [], [[#include <sys/prctl.h>]])
AC_CHECK_DECLS([VFS_CAP_REVISION_2], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([VFS_CAP_REVISION_3], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([CAP_EPOLLWAKEUP], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([CAP_WAKE_ALARM], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([CAP_BLOCK_SUSPEND], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([CAP_AUDIT_READ], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([CAP_PERFMON], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([CAP_BPF], [], [], [[#include <linux/capability.h>]])
AC_CHECK_DECLS([CAP_CHECKPOINT_RESTORE], [], [], [[#include <linux/capability.h>]])
dnl only build libdrop_ambient if support for ambient capabilities was found (which is normal)
if test x"${ac_cv_have_decl_PR_CAP_AMBIENT}" = x"no" ; then
AC_MSG_WARN("PR_CAP_AMBIENT not available - libdrop_ambient will not be built")
fi
AM_CONDITIONAL(BUILD_LIBDROP_AMBIENT, test x"${ac_cv_have_decl_PR_CAP_AMBIENT}" = x"yes")
AC_CHECK_PROG(swig_found, swig, yes, no)
if test x"${swig_found}" = x"no" ; then
AC_MSG_WARN("Swig not found - python bindings will not be made")
fi
AM_CONDITIONAL(HAVE_SWIG, test x"${swig_found}" = x"yes")
withval=""
AC_MSG_CHECKING(whether to create python3 bindings)
AC_ARG_WITH(python3,
AS_HELP_STRING([--with-python3],[enable building python3 bindings]),
use_python3=$withval,
use_python3=auto)
if test x$use_python3 = xno ; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(investigating)
AC_PATH_PROG([use_python3], [python3-config], [no])
if test ${use_python3} = no ; then
if test ${withval} = yes ; then
echo "Python3 bindings were selected but python3-config was not found."
echo "Please ensure that it's installed or pass --without-python3 to ./configure"
exit 1
fi
echo "Python3 bindings will NOT be built"
else
echo "Python3 bindings WILL be built"
use_python3=yes
AM_PATH_PYTHON([3.1],, [:])
PYTHON3_CFLAGS=`$PYTHON-config --cflags 2> /dev/null`
PYTHON3_LIBS=`$PYTHON-config --libs 2> /dev/null`
PYTHON3_INCLUDES=`$PYTHON-config --includes 2> /dev/null`
AC_SUBST(PYTHON3_CFLAGS)
AC_SUBST(PYTHON3_LIBS)
AC_SUBST(PYTHON3_INCLUDES)
fi
fi
AM_CONDITIONAL(USE_PYTHON3, test ${use_python3} = "yes")
AC_CONFIG_FILES([Makefile src/Makefile src/libcap-ng.pc src/test/Makefile
bindings/Makefile
bindings/python3/Makefile bindings/src/Makefile
bindings/python3/test/Makefile utils/Makefile
m4/Makefile docs/Makefile])
AC_OUTPUT
echo .
echo "
libcap-ng Version: $VERSION
Target: $target
Installation prefix: $prefix
PYTHON_PREFIX: $PYTHON_PREFIX
Compiler: $CC
Compiler flags:
`echo $CFLAGS | fmt -w 50 | sed 's,^, ,'`
__attr_dealloc_free support: $DEALLOC
"
|
