-#!/bin/sh
+#!/usr/bin/env bash
+
+ac_help="--with-pylint[=yes|no|maybe] require and run pylint (maybe)"
+
+bup_find_prog()
+{
+ # Prints prog path to stdout or nothing.
+ local name="$1" result="$2"
+ TLOGN "checking for $name"
+ if ! [ "$result" ]; then
+ result=`acLookFor "$name"`
+ fi
+ TLOG " ($result)"
+ echo "$result"
+}
+
+bup_try_c_code()
+{
+ local code="$1" tmpdir rc cflags=''
+ if test -z "$code"; then
+ AC_FAIL "No code provided to test compile"
+ fi
+ case "$#" in
+ 1) ;;
+ 2) cflags="$2" ;;
+ *)
+ AC_FAIL "Invald call to bup_try_c_code" "$@"
+ ;;
+ esac
+ tmpdir="$(mktemp -d "bup-try-c-compile-XXXXXXX")" || exit $?
+ echo "$code" > "$tmpdir/test.c" || exit $?
+ $AC_CC -Wall -Werror $cflags -c -o "$tmpdir/test" "$tmpdir/test.c"
+ rc=$?
+ rm -r "$tmpdir" || exit $?
+ return $rc
+}
+
+bup_config_cflags=()
+
+bup-add-cflag-if-supported()
+{
+ local opt="$1"
+ if test -z "$opt"; then
+ AC_FAIL 'No option to check'
+ fi
+ TLOGN "checking for $AC_CC $opt support"
+ if bup_try_c_code \
+ "int main(int argc, char**argv) { return 0; }" \
+ "$opt";
+ then
+ bup_config_cflags+="$opt"
+ TLOG ' (found)'
+ else
+ TLOG ' (not found)'
+ fi
+}
+
TARGET=bup
+argv=()
+with_pylint=maybe
+while test $# -gt 0; do
+ case "$1" in
+ --with-pylint=yes) with_pylint=yes; shift;;
+ --with-pylint=maybe) with_pylint=maybe; shift;;
+ --with-pylint=no) with_pylint=no; shift;;
+ *) argv+=("$1"); shift;;
+ esac
+done
+
+# Set $@ to the adjusted args
+set - "${argv[@]}"
+
. ./configure.inc
+# FIXME: real tmpdir
+rm -rf finished config/bin config.var config.var.tmp config.vars
+
AC_INIT $TARGET
if ! AC_PROG_CC; then
exit 1
fi
-TLOGN "checking the GNU make"
-MAKE=`acLookFor make`
-if [ -z "$MAKE" ]; then
- AC_FAIL " Cannot find make";
-fi
+bup-add-cflag-if-supported -Wno-unused-command-line-argument
-MAKE_GNU=`$MAKE --version | grep "GNU Make"`
-if [ -z "$MAKE_GNU" ]; then
- AC_FAIL " $MAKE is not GNU Make"
+for make_candidate in make gmake; do
+ found_make="$(bup_find_prog "$make_candidate" "$MAKE")"
+ if test "$found_make" \
+ && ("$found_make" --version | grep "GNU Make"); then
+ MAKE="$found_make"
+ break;
+ fi
+done
+
+if ! test "$MAKE"; then
+ AC_FAIL "ERROR: unable to find GNU make as make or gmake"
fi
MAKE_VERSION=`$MAKE --version | grep "GNU Make" | awk '{print $3}'`
if [ -z "$MAKE_VERSION" ]; then
- AC_FAIL " $MAKE --version does not return sensible output?"
+ AC_FAIL "ERROR: $MAKE --version does not return sensible output?"
fi
-expr "$MAKE_VERSION" '>=' '3.81' || AC_FAIL "$MAKE must be >= version 3.81"
-TLOG " ok"
+expr "$MAKE_VERSION" '>=' '3.81' || AC_FAIL "ERROR: $MAKE must be >= version 3.81"
+
+AC_SUB bup_make "$MAKE"
+
-TLOGN "checking the python"
-PYTHON=`acLookFor python`
-if [ -z "$PYTHON" ]; then
- AC_FAIL " Cannot find python";
+# Haven't seen a documented way to determine the python version via
+# python-config right now, so we'll defer version checking until
+# later.
+
+if test "$BUP_PYTHON_CONFIG"; then
+ bup_python_config="$(type -p "$BUP_PYTHON_CONFIG")"
+ if test -z "$bup_python_config"; then
+ AC_FAIL $(printf "ERROR: BUP_PYTHON_CONFIG value %q appears invalid" \
+ "$BUP_PYTHON_CONFIG")
+ fi
+else
+ for py_min_ver in 10 9 8 7 6; do
+ bup_python_config="$(bup_find_prog "python3.$py_min_ver-config" '')"
+ test -z "$bup_python_config" || break
+ done
+ test -z "$bup_python_config" \
+ && bup_python_config="$(bup_find_prog python3-config '')"
+ if test -z "$bup_python_config"; then
+ AC_FAIL "ERROR: unable to find a suitable python-config"
+ fi
fi
-TLOG " - you have some python program - ok"
-TLOGN "checking the git"
-GIT=`acLookFor git`
-if [ -z "$GIT" ]; then
- AC_FAIL " Cannot find git";
+
+bup_python_cflags=$("$bup_python_config" --cflags) || exit $?
+bup_python_ldflags=$("$bup_python_config" --ldflags) || exit $?
+bup_python_cflags_embed=$("$bup_python_config" --cflags --embed)
+if test $? -eq 0; then
+ bup_python_ldflags_embed=$("$bup_python_config" --ldflags --embed) || exit $?
+else # Earlier versions didn't support --embed
+ bup_python_cflags_embed=$("$bup_python_config" --cflags) || exit $?
+ bup_python_ldflags_embed=$("$bup_python_config" --ldflags) || exit $?
fi
-TLOG " - you have some git program - ok"
+bup_python_cflags="$bup_python_cflags -fPIC"
+
+case "$OSTYPE" in
+ darwin*)
+ # For at least 10.3+ (2003+)
+ bup_python_ldflags="$bup_python_ldflags -bundle -undefined dynamic_lookup"
+ ;;
+ *)
+ bup_python_ldflags="$bup_python_ldflags -shared"
+ ;;
+esac
-# assuming the above checks pass, get the path of everything
-MF_PATH_INCLUDE GMAKE make gmake
-MF_PATH_INCLUDE GIT git
-MF_PATH_INCLUDE TAR tar gtar
-MF_PATH_INCLUDE PYTHON python
+AC_SUB bup_python_config "$bup_python_config"
+AC_SUB bup_python_cflags "$bup_python_cflags"
+AC_SUB bup_python_ldflags "$bup_python_ldflags"
+AC_SUB bup_python_cflags_embed "$bup_python_cflags_embed"
+AC_SUB bup_python_ldflags_embed "$bup_python_ldflags_embed"
+
+
+bup_git="$(bup_find_prog git '')"
+if test -z "$bup_git"; then
+ AC_FAIL "ERROR: unable to find git"
+fi
# For stat.
AC_CHECK_HEADERS sys/stat.h
AC_CHECK_HEADERS sys/types.h
+
+# For stat and mincore.
AC_CHECK_HEADERS unistd.h
+# For mincore.
+AC_CHECK_HEADERS sys/mman.h
+
# For FS_IOC_GETFLAGS and FS_IOC_SETFLAGS.
AC_CHECK_HEADERS linux/fs.h
AC_CHECK_HEADERS sys/ioctl.h
-AC_CHECK_FUNCS utimensat
-AC_CHECK_FUNCS utime
+# On GNU/kFreeBSD utimensat is defined in GNU libc, but won't work.
+if [ -z "$OS_GNU_KFREEBSD" ]; then
+ AC_CHECK_FUNCS utimensat
+fi
+AC_CHECK_FUNCS utimes
+AC_CHECK_FUNCS lutimes
+
+
+AC_CHECK_FUNCS mincore
+
+mincore_incore_code="
+#if 0$ac_defined_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if 0$ac_defined_HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+int main(int argc, char **argv)
+{
+ if (MINCORE_INCORE)
+ return 0;
+}
+"
+
+mincore_buf_type_code()
+{
+ local vec_type="$1"
+ echo "
+#include <sys/mman.h>
+int main(int argc, char **argv)
+{
+ void *x = 0;
+ $vec_type *buf = 0;
+ return mincore(x, 0, buf);
+}" || exit $?
+}
+
+if test "$ac_defined_HAVE_MINCORE"; then
+ TLOGN "checking for MINCORE_INCORE"
+ if bup_try_c_code "$mincore_incore_code"; then
+ AC_DEFINE BUP_HAVE_MINCORE_INCORE 1
+ TLOG ' (found)'
+ else
+ TLOG ' (not found)'
+ fi
+
+ TLOGN "checking mincore buf type"
+ if bup_try_c_code "$(mincore_buf_type_code char)"; then
+ AC_DEFINE BUP_MINCORE_BUF_TYPE 'char'
+ TLOG ' (char)'
+ elif bup_try_c_code "$(mincore_buf_type_code 'unsigned char')"; then
+ AC_DEFINE BUP_MINCORE_BUF_TYPE 'unsigned char'
+ TLOG ' (unsigned char)'
+ else
+ AC_FAIL "ERROR: unexpected mincore definition; please notify bup-list@googlegroups.com"
+ fi
+fi
+
+
+TLOGN "checking for readline"
+bup_have_readline=''
+bup_readline_includes_in_subdir=''
+bup_readline_via_pkg_config=''
+# We test this specific thing because it should work everywhere and it was
+# a particulary problem on macos (we'd get the wrong includes if we just
+# tested that the includes work).
+readline_test_code='
+ static char *on_completion_entry(const char *text, int state) { return NULL; }
+ void bup_test(void) { rl_completion_entry_function = on_completion_entry; }
+'
+if pkg-config readline; then
+ bup_readline_cflags="$(pkg-config readline --cflags)" || exit $?
+ bup_readline_ldflags="$(pkg-config readline --libs)" || exit $?
+ # It looks like it's not uncommon for pkg-config to provide a -I
+ # that doesn't support the documentation's specified #include
+ # <readline/readline.h>. See what's really going on.
+ if bup_try_c_code "#include <stdio.h> // required by unpatched readline
+#include <readline/readline.h>
+$readline_test_code" \
+ "$bup_readline_cflags"
+ then
+ bup_have_readline=1
+ bup_readline_includes_in_subdir=1
+ elif bup_try_c_code "#include <stdio.h> // required by unpatched readline
+#include <readline.h>
+$readline_test_code" \
+ "$bup_readline_cflags"
+ then
+ bup_have_readline=1
+ fi
+ if test "$bup_have_readline"; then
+ bup_readline_via_pkg_config=1
+ else
+ bup_readline_cflags=''
+ bup_readline_ldflags=''
+ fi
+fi
+if ! test "$bup_have_readline"; then
+ if bup_try_c_code "#include <readline/readline.h> $readline_test_code"; then
+ bup_readline_ldflags=-lreadline
+ bup_have_readline=1
+ bup_readline_includes_in_subdir=1
+ elif bup_try_c_code "#include <readline.h> $readline_test_code"; then
+ bup_readline_ldflags=-lreadline
+ bup_have_readline=1
+ fi
+fi
+if test "$bup_have_readline"; then
+ AC_DEFINE BUP_HAVE_READLINE 1
+ if test "$bup_readline_includes_in_subdir"; then
+ AC_DEFINE BUP_READLINE_INCLUDES_IN_SUBDIR 1
+ fi
+ if test "$bup_readline_via_pkg_config"; then
+ TLOG ' (yes, pkg-config)'
+ else
+ TLOG ' (yes)'
+ fi
+fi
+
+
+AC_SUB bup_readline_cflags "$bup_readline_cflags"
+AC_SUB bup_readline_ldflags "$bup_readline_ldflags"
+AC_SUB bup_have_readline "$bup_have_readline"
+
AC_CHECK_FIELD stat st_atim sys/types.h sys/stat.h unistd.h
AC_CHECK_FIELD stat st_mtim sys/types.h sys/stat.h unistd.h
AC_CHECK_FIELD stat st_mtimensec sys/types.h sys/stat.h unistd.h
AC_CHECK_FIELD stat st_ctimensec sys/types.h sys/stat.h unistd.h
+AC_CHECK_FIELD tm tm_gmtoff time.h
+
+
+orig_ac_cc="$AC_CC"
+orig_libs="$LIBS"
+TLOGN "checking for libacl"
+if pkg-config libacl; then
+ bup_libacl_cflags="$(pkg-config libacl --cflags)"
+ bup_libacl_ldflags="$(pkg-config libacl --libs)"
+ TLOG ' (yes, pkg-config)'
+else
+ bup_libacl_cflags=
+ bup_libacl_ldflags='-lacl'
+ TLOG ' (yes)'
+fi
+AC_CC="$AC_CC${bup_libacl_cflags:+ $bup_libacl_cflags}"
+LIBS="$bup_libacl_ldflags"
+AC_CHECK_HEADERS sys/acl.h
+AC_CHECK_HEADERS acl/libacl.h
+AC_CHECK_FUNCS acl_get_file
+AC_CHECK_FUNCS acl_from_text
+AC_CHECK_FUNCS acl_set_file
+# Note: These are linux specific, but we need them (for now?)
+AC_CHECK_FUNCS acl_extended_file
+AC_CHECK_FUNCS acl_to_any_text
+TLOGN "checking for complete acl support"
+if test "$ac_defined_HAVE_ACL_EXTENDED_FILE"; then
+ bup_have_libacl=1
+ AC_SUB bup_libacl_cflags "$bup_libacl_cflags"
+ AC_SUB bup_libacl_ldflags "$bup_libacl_ldflags"
+ TLOG ' (yes)'
+else
+ bup_have_libacl=
+ AC_SUB bup_have_libacl ''
+ TLOG ' (no)'
+fi
+AC_SUB bup_have_libacl "$bup_have_libacl"
+AC_CC="$orig_ac_cc"
+LIBS="$orig_libs"
+
+AC_SUB bup_config_cflags "$bup_config_cflags"
+
AC_OUTPUT config.vars
+
+set -euo pipefail
+
+# FIXME: real tmpdir
+mkdir -p config.var.tmp
+echo -n "$MAKE" > config.var.tmp/bup-make
+echo -n "$bup_python_config" > config.var.tmp/bup-python-config
+echo -n "$with_pylint" > config.var.tmp/with-pylint
+mv config.var.tmp config.var
+
+if test -e bin; then rm -r bin; fi
+mkdir -p bin
+(cd bin && ln -s "$MAKE" make)
+
+touch finished
+
+printf "
+found: python-config (%q)
+found: git (%q, ($("$bup_git" --version))
+" \
+ "$bup_python_config" \
+ "$bup_git" \
+ 1>&5
+
+summarize()
+{
+ local found="$1"
+ shift
+ if test "$found"; then
+ TLOG found: "$@"
+ else
+ TLOG not found: "$@"
+ fi
+}
+summarize "$bup_have_readline" 'readline support (e.g. bup ftp)'
+summarize "$bup_have_libacl" 'POSIX ACL support'
+TLOG
projects / bup.git / blobdiff