Autodetect a suitable locale for -Tutf8 mode,

[mandoc.git] / configure

diff --git a/configure b/configure
index 919b2b9ed66917517a627ea95bf2818014a8d749..a2f6174f716f94c3d8dd10311f9571386ed65833 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,5 +1,7 @@
 #!/bin/sh
 #
+# $Id: configure,v 1.48 2016/07/31 09:29:13 schwarze Exp $
+#
 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
 #
 # Permission to use, copy, modify, and distribute this software for any
@@ -33,12 +35,14 @@ echo "config.log: writing..."
 
 MANPATH_DEFAULT="/usr/share/man:/usr/X11R6/man:/usr/local/man"
 OSNAME=
+UTF8_LOCALE=
 
 CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | env -i make -f -`
 CFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings"
 CFLAGS="${CFLAGS} -Wno-unused-parameter"
 LDADD=
 LDFLAGS=
+LD_NANOSLEEP=
 LD_OHASH=
 STATIC="-static"
 
@@ -52,6 +56,7 @@ HAVE_GETLINE=
 HAVE_GETSUBOPT=
 HAVE_ISBLANK=
 HAVE_MKDTEMP=
+HAVE_NANOSLEEP=
 HAVE_OHASH=
 HAVE_PLEDGE=
 HAVE_PROGNAME=
@@ -172,6 +177,23 @@ runtest() {
        return 1
 }
 
+# Select a UTF-8 locale.
+get_locale() {
+       [ -n "${HAVE_WCHAR}" ] && [ "${HAVE_WCHAR}" -eq 0 ] && return 0
+       ismanual UTF8_LOCALE "$UTF8_LOCALE" && return 0
+       echo "UTF8_LOCALE: testing..." 1>&3
+       UTF8_LOCALE=`locale -a | grep -i '^en_US\.UTF-*8$' | head -n 1`
+       if [ -z "${UTF8_LOCALE}" ]; then
+               UTF8_LOCALE=`locale -a | grep -i '\.UTF-*8' | head -n 1`
+               [ -n "${UTF8_LOCALE}" ] || return 1
+       fi
+       echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&2
+       echo "UTF8_LOCALE=${UTF8_LOCALE}" 1>&3
+       echo 1>&3
+       return 0;
+}
+
+
 # --- library functions ---
 runtest dirent-namlen  DIRENT_NAMLEN   || true
 runtest EFTYPE         EFTYPE          || true
@@ -195,7 +217,29 @@ runtest strptime   STRPTIME        || true
 runtest strsep         STRSEP          || true
 runtest strtonum       STRTONUM        || true
 runtest vasprintf      VASPRINTF       || true
-runtest wchar          WCHAR           || true
+
+# --- wide character and locale support ---
+if get_locale; then
+       runtest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || true
+else
+       HAVE_WCHAR=0
+       echo "wchar: no (no UTF8_LOCALE)" 1>&2
+       echo "wchar: no (no UTF8_LOCALE)" 1>&3
+fi
+
+# --- nanosleep ---
+if [ -n "${LD_NANOSLEEP}" ]; then
+       runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true
+elif singletest nanosleep NANOSLEEP; then
+       :
+elif runtest nanosleep NANOSLEEP "-lrt"; then
+       LD_NANOSLEEP="-lrt"
+fi
+if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then
+       echo "FATAL: nanosleep: no" 1>&2
+       echo "FATAL: nanosleep: no" 1>&3
+       exit 1
+fi
 
 # --- ohash ---
 if ismanual ohash "${HAVE_OHASH}"; then
@@ -212,7 +256,7 @@ if [ "${HAVE_OHASH}" -eq 0 ]; then
 fi
 
 # --- LDADD ---
-LDADD="${LDADD} ${LD_OHASH} -lz"
+LDADD="${LDADD} ${LD_NANOSLEEP} ${LD_OHASH} -lz"
 echo "LDADD=\"${LDADD}\"" 1>&2
 echo "LDADD=\"${LDADD}\"" 1>&3
 echo 1>&3
@@ -246,6 +290,7 @@ echo
 echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\""
 echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\""
 [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\""
+[ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\""
 [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\""
 [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL"