+#!/bin/sh
+
+for x; do
+ opt=${x%%=*}
+ var=${x#*=}
+ case "$opt" in
+ --enable-debug) DEBUG=yes;;
+ --prefix) PREFIX=$var;;
+ --exec-prefix) EPREFIX=$var;;
+ --bindir) BINDIR=$var;;
+ --mandir) MANDIR=$var;;
+ --datadir) SHAREDIR=$var;;
+ --build) BUILD=$var;;
+ --host) HOST=$var;;
+ --target) TARGET=$var;;
+ --includedir) INCLUDEDIR=$var;;
+ --sysconfdir) SYSCONFDIR=$var;;
+ --pamdir) PAMDIR=$var;;
+ --localstatedir) LOCALSTATEDIR=$var;;
+ --libdir) LIBDIR=$var;;
+ --datadir|--infodir) ;; # ignore autotools
+ --verbose) unset SILENT;;
+ --pkgconfigdir) PKGCONFIGDIR=$var;;
+ --enable-static) BUILD_STATIC=yes;;
+ --enable-seccomp) BUILD_SECCOMP=yes;;
+ --help) usage;;
+ *) echo "$0: WARNING: unknown option $opt" >&2;;
+ esac
+done
+
+CONFIG_MK=config.mk
+rm -f "$CONFIG_MK"
+
+cat <<EOF >>$CONFIG_MK
+DESTDIR ?= /
+PREFIX ?= ${PREFIX:="/usr"}
+EPREFIX ?= ${EPREFIX:="${PREFIX}"}
+SHAREDIR ?= ${SHAREDIR:="${PREFIX}/share"}
+BINDIR ?= ${BINDIR:="${PREFIX}/bin"}
+MANDIR ?= ${MANDIR:="${SHAREDIR}/man"}
+SYSCONFDIR?= ${SYSCONFDIR:="/etc"}
+PAMDIR ?= ${PAMDIR:="${SYSCONFDIR}/pam.d"}
+EOF
+
+if [ -z "$BUILD" ]; then
+ BUILD="$(uname -m)-unknown-$(uname -s | tr '[:upper:]' '[:lower:]')"
+fi
+if [ -z "$HOST" ]; then
+ [ -z "$TARGET" ] && TARGET=$BUILD
+ HOST=$TARGET
+fi
+if [ -z "$TARGET" ]; then
+ [ -z "$HOST" ] && HOST=$BUILD
+ TARGET=$HOST
+fi
+
+if [ -z "$OS" ]; then
+ # Derive OS from cpu-manufacturer-os-kernel
+ CPU=${TARGET%%-*}
+ REST=${TARGET#*-}
+ MANU=${REST%%-*}
+ REST=${REST#*-}
+ OS=${REST%%-*}
+ REST=${REST#*-}
+ KERNEL=${REST%%-*}
+fi
+
+case "$OS" in
+ linux)
+ OS_CFLAGS="-D_DEFAULT_SOURCE -D_GNU_SOURCE -DUID_MAX=60000 -DGID_MAX=60000"
+ printf 'CURDIR := .\n' >>$CONFIG_MK
+ printf 'PAM_DOAS = pam.d__doas__linux\n' >>$CONFIG_MK
+ ;;
+esac
+
+[ -n "$OS_CFLAGS" ] && \
+ printf 'CFLAGS += %s\n' "$OS_CFLAGS" >>$CONFIG_MK
+
+# Add CPPFLAGS/CFLAGS/LDFLAGS to CC for testing features
+XCC="${CC:=clang} $CFLAGS $OS_CFLAGS $CPPFLAGS $LDFLAGS"
+# Make sure to disable --as-needed for CC tests.
+XCC="$XCC -Wl,--no-as-needed"
+
+check_func() {
+ func="$1"; src="$2"; shift 2
+ printf 'Checking for %-14s\t\t' "$func ..."
+ printf '%s\n' "$src" >"_$func.c"
+ if $XCC "_$func.c" -o "_$func" 2>/dev/null; then
+ printf 'yes.\n'
+ upperfunc="$(printf '%s\n' "$func" | tr '[[:lower:]]' '[[:upper:]]')"
+ printf 'CFLAGS += -DHAVE_%s\n' "$upperfunc" >>$CONFIG_MK
+ else
+ printf 'no.\n'
+ fi
+ rm -f "_$func.c" "_$func"
+}
+
+src='
+#include <string.h>
+int main(void) {
+ explicit_bzero(NULL, 0);
+ return 0;
+}'
+check_func "explicit_bzero" "$src" || {
+ printf 'OPENBSD += explicit_bzero.c\n' >>$CONFIG_MK
+}
+
+
+#
+# Check for strlcat().
+#
+src='
+#include <string.h>
+int main(void) {
+ const char s1[] = "foo";
+ char s2[10];
+ strlccat(s2, s1, sizeof(s2));
+ return 0;
+}'
+check_func "strlcat" "$src" || {
+ printf 'OPENBSD += strlcat.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for strlcpy().
+#
+src='
+#include <string.h>
+int main(void) {
+ const char s1[] = "foo";
+ char s2[10];
+ strlcpy(s2, s1, sizeof(s2));
+ return 0;
+}'
+check_func "strlcpy" "$src" || {
+ printf 'OPENBSD += strlcpy.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for errc().
+#
+src='
+#include <err.h>
+int main(void) {
+ errc(0, 0, "");
+ return 0;
+}'
+check_func "errc" "$src" || {
+ printf 'OPENBSD += errc.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for verrc().
+#
+src='
+#include <err.h>
+int main(void) {
+ verrc(0, 0, "");
+ return 0;
+}'
+check_func "verrc" "$src" || {
+ printf 'OPENBSD += verrc.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for setprogname().
+#
+src='
+#include <stdlib.h>
+int main(void) {
+ setprogname("");
+ return 0;
+}'
+check_func "setprogname" "$src" || {
+ printf 'OPENBSD += progname.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for readpassphrase().
+#
+src='
+#include <readpassphrase.h>
+int main(void) {
+ char buf[12];
+ readpassphrase("", buf, sizeof(buf), 0);
+ return 0;
+}'
+check_func "readpassphrase" "$src" || {
+ printf 'OPENBSD += readpassphrase.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for strtonum().
+#
+src='
+#include <stdlib.h>
+int main(void) {
+ const char *errstr;
+ strtonum("", 1, 64, &errstr);
+ return 0;
+}'
+check_func "strtonum" "$src" || {
+ printf 'OPENBSD += strtonum.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for reallocarray().
+#
+src='
+#include <stdlib.h>
+int main(void) {
+ reallocarray(NULL, 0, 0);
+ return 0;
+}'
+check_func "reallocarray" "$src" || {
+ printf 'OPENBSD += reallocarray.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for bsd_auth.h.
+#
+src='
+#include <bsd_auth.h>
+int main(void) {
+ return 0;
+}'
+check_func "bsd_auth_h" "$src" || {
+ printf 'OPENBSD += auth_userokay.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for login_cap.h.
+#
+src='
+#include <login_cap.h>
+int main(void) {
+ return 0;
+}'
+check_func "login_cap_h" "$src" || {
+ printf 'OPENBSD += setusercontext.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for execvpe().
+#
+src='
+#include <unistd.h>
+int main(void) {
+ const char *p = { "", NULL };
+ execvpe("", p, p);
+ return 0;
+}'
+check_func "execvpe" "$src" || {
+ printf 'OPENBSD += execvpe.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for setresuid().
+#
+src='
+#include <unistd.h>
+int main(void) {
+ setresuid(0, 0, 0);
+ return 0;
+}'
+check_func "setresuid" "$src" || {
+ printf 'OPENBSD += setresuid.c\n' >>$CONFIG_MK
+}
+
+#
+# Check for pledge().
+#
+src='
+#include <unistd.h>
+int main(void) {
+ pledge("", NULL);
+ return 0;
+}'
+check_func "pledge" "$src" && {
+ have_pledge=1
+}
+
+#
+# Check for seccomp.h
+#
+src='
+#include <linux/seccomp.h>
+#include <sys/prctl.h>
+#include <unistd.h>
+int main(void) {
+ prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, NULL);
+ return 0;
+}'
+if [ -n "$have_pledge" -a -n "$BUILD_SECCOMP" ]; then
+ check_func "seccomp_h" "$src" && {
+ printf 'OPENBSD += pledge-seccomp.c\n' >>$CONFIG_MK
+ }
+elif [ -n "$have_pledge" ]; then
+ printf 'OPENBSD += pledge-noop.c\n' >>$CONFIG_MK
+fi
projects / opendoas.git / commitdiff