| |
| 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=`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_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 |
| " |
