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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],[0.8.4])
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 ${withval} = yes ; then
echo "Python3 bindings were selected but python3-config was not found."
echo "Please ensure that it's installed or pass --without-python3 to ./configure"
exit 1
fi
echo "Python3 bindings will NOT be built"
else
echo "Python3 bindings WILL be built"
use_python3=yes
AC_PATH_PROG([PYTHON3], [python3], [no])
if test "x$PYTHON3" == "xno" ; then
echo "The python3 program was not found in the search path. Please ensure"
echo "that it is installed and its directory is included in the search path or"
echo "pass --without-python3 to ./configure."
exit 1
fi
PYTHON3_CFLAGS=`python3-config --cflags 2> /dev/null`
PYTHON3_LIBS=`python3-config --libs 2> /dev/null`
PYTHON3_INCLUDES=`python3-config --includes 2> /dev/null`
AC_SUBST([PYTHON3_PREFIX], ['${prefix}'])
PYTHON3_EXECDIR=`$PYTHON3 -c "import sysconfig; print(sysconfig.get_path('platlib'))"`
AC_SUBST(PYTHON3_CFLAGS)
AC_SUBST(PYTHON3_LIBS)
AC_SUBST(PYTHON3_INCLUDES)
AC_SUBST(py3execdir, $PYTHON3_EXECDIR)
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
PYTHON3_PREFIX: $PYTHON3_PREFIX
Compiler: $CC
Compiler flags:
`echo $CFLAGS | fmt -w 50 | sed 's,^, ,'`
__attr_dealloc_free support: $DEALLOC
"
|
