ncurses 6.1 - patch 20191005
[ncurses.git] / misc / ncurses-config.in
index b08e13e239e78ef251f7e02de501d80671c02dd3..e95227e3f3dc2d343723cbc990fa16ad7a061314 100644 (file)
@@ -1,7 +1,7 @@
 #!@SHELL@
-# $Id: ncurses-config.in,v 1.28 2012/08/11 21:45:20 tom Exp $
+# $Id: ncurses-config.in,v 1.40 2019/10/05 22:24:20 tom Exp $
 ##############################################################################
-# Copyright (c) 2006-2010,2011 Free Software Foundation, Inc.                #
+# Copyright (c) 2006-2018,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
 #
 # Author: Thomas E. Dickey, 2006-on
 
+LANG=C;                export LANG
+LANGUAGE=C;    export LANGUAGE
+LC_ALL=C;      export LC_ALL
+LC_CTYPE=C;    export LC_CTYPE
+
 prefix="@prefix@"
 exec_prefix="@exec_prefix@"
 
@@ -40,29 +45,91 @@ datarootdir="@datarootdir@"
 datadir="@datadir@"
 mandir="@mandir@"
 
-THIS="@LIB_NAME@@DFT_ARG_SUFFIX@"
+THIS="@LIB_NAME@@USE_LIB_SUFFIX@"
 TINFO_LIB="@TINFO_ARG_SUFFIX@"
 RPATH_LIST="@RPATH_LIST@"
 
-LANG=C;                export LANG
-LANGUAGE=C;    export LANGUAGE
-LC_ALL=C;      export LC_ALL
-LC_CTYPE=C;    export LC_CTYPE
+includesubdir="@includedir@/${THIS}"
+
+# Ensure that RPATH_LIST contains only absolute pathnames, if it is nonempty.
+# We cannot filter it out within the build-process since the variable is used
+# in some special cases of installation using a relative path.
+if [ -n "$RPATH_LIST" ]
+then
+       save_IFS="$IFS"
+       IFS='@PATH_SEPARATOR@'
+       filtered=
+       for item in $RPATH_LIST
+       do
+               case "$item" in
+               ./*|../*|*/..|*/../*)
+                       ;;
+               *)
+                       [ -n "$filtered" ] && filtered="${filtered}@PATH_SEPARATOR@"
+                       filtered="${filtered}${item}"
+                       ;;
+               esac
+       done
+       IFS="$save_IFS"
+       # if the result is empty, there is little we can do to fix it
+       RPATH_LIST="$filtered"
+fi
 
 # with --disable-overwrite, we installed into a subdirectory, but transformed
 # the headers to include like this:
 #      <ncurses@LIB_SUFFIX@/curses.h>
-if test x@WITH_OVERWRITE@ = xno ; then
+if [ x@WITH_OVERWRITE@ = xno ]; then
        case $includedir in
-       $prefix/include/ncurses@LIB_SUFFIX@)
+       $prefix/include/ncurses@LIB_SUFFIX@@EXTRA_SUFFIX@)
                includedir=`echo "$includedir" | sed -e 's,/[^/]*$,,'`
                ;;
        esac
 fi
 
-test $# = 0 && exec @SHELL@ $0 --error
+LIBS="@LIBS@"
+if [ "@TINFO_NAME@" = "@LIB_NAME@" ]; then
+       LIBS="-l${THIS} $LIBS"
+else
+       LIBS="-l${THIS} -l${TINFO_LIB} $LIBS"
+fi
 
-while test $# -gt 0; do
+# Ignore -L options which do not correspond to an actual directory, or which
+# are standard library directories (i.e., the linker is supposed to search
+# those directories).
+#
+# There is no portable way to find the list of standard library directories. 
+# Require a POSIX shell anyway, to keep this simple.
+lib_flags=
+for opt in -L$libdir @LDFLAGS@ @EXTRA_LDFLAGS@ $LIBS
+do
+       case $opt in
+       -L*)
+               [ -d ${opt##-L} ] || continue
+               case ${opt##-L} in
+               @LD_SEARCHPATH@) # skip standard libdir
+                       continue
+                       ;;
+               *)
+                       found=no
+                       for check in $lib_flags
+                       do
+                               if [ "x$check" = "x$opt" ]
+                               then
+                                       found=yes
+                                       break
+                               fi
+                       done
+                       [ $found = yes ] && continue
+                       ;;
+               esac
+               ;;
+       esac
+       lib_flags="$lib_flags $opt"
+done
+
+[ $# = 0 ] && exec @SHELL@ $0 --error
+
+while [ $# -gt 0 ]; do
        case "$1" in
        # basic configuration
        --prefix)
@@ -73,11 +140,11 @@ while test $# -gt 0; do
                ;;
        # compile/link
        --cflags)
-               INCS=
-               if test "x@WITH_OVERWRITE@" = xno ; then
-                       INCS="$INCS -I${includedir}/${THIS}"
+               INCS="@PKG_CFLAGS@"
+               if [ "x@WITH_OVERWRITE@" = xno ]; then
+                       INCS="$INCS -I${includesubdir}"
                fi
-               if test "${includedir}" != /usr/include ; then
+               if [ "${includedir}" != /usr/include ]; then
                        INCS="$INCS -I${includedir}"
                fi
                sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
@@ -85,21 +152,54 @@ while test $# -gt 0; do
 ENDECHO
                ;;
        --libs)
-               if test "$libdir" = /usr/lib
-               then
-                       LIBDIR=
-               else
-                       LIBDIR=-L$libdir
-               fi
-               if test @TINFO_NAME@ = @LIB_NAME@ ; then
-               sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
-                       $LIBDIR @EXTRA_LDFLAGS@ -l${THIS} @LIBS@
-ENDECHO
-               else
-               sed -e 's,^[ ]*,,' -e 's, [ ]*, ,g' -e 's,[ ]*$,,' <<-ENDECHO
-                       $LIBDIR @EXTRA_LDFLAGS@ -l${THIS} -l${TINFO_LIB} @LIBS@
-ENDECHO
-               fi
+               OPTS=
+               for opt in $lib_flags
+               do
+                       [ -n "$OPTS" ] && OPTS="$OPTS "
+                       OPTS="${OPTS}${opt}"
+               done
+               printf "%s\n" "$OPTS"
+               ;;
+       --libs-only-L)
+               OPTS=
+               for opt in $lib_flags
+               do
+                       case "x$opt" in
+                       x-L*)
+                               [ -n "$OPTS" ] && OPTS="$OPTS "
+                               OPTS="${OPTS}${opt}"
+                               ;;
+                       esac
+               done
+               printf "%s\n" "$OPTS"
+               ;;
+       --libs-only-l)
+               OPTS=
+               for opt in $lib_flags
+               do
+                       case "x$opt" in
+                       x-l*)
+                               [ -n "$OPTS" ] && OPTS="$OPTS "
+                               OPTS="${OPTS}${opt}"
+                               ;;
+                       esac
+               done
+               printf "%s\n" "$OPTS"
+               ;;
+       --libs-only-other)
+               OPTS=
+               for opt in $lib_flags
+               do
+                       case "x$opt" in
+                       x-[lL]*)
+                               ;;
+                       *)
+                               [ -n "$OPTS" ] && OPTS="$OPTS "
+                               OPTS="${OPTS}${opt}"
+                               ;;
+                       esac
+               done
+               printf "%s\n" "$OPTS"
                ;;
        # identification
        --version)
@@ -119,7 +219,13 @@ ENDECHO
                echo "${datadir}"
                ;;
        --includedir)
-               echo "${includedir}"
+               INCS=
+               if [ "x@WITH_OVERWRITE@" = xno ]; then
+                       INCS="${includesubdir}"
+               elif [ "${includedir}" != /usr/include ]; then
+                       INCS="${includedir}"
+               fi
+               echo $INCS
                ;;
        --libdir)
                echo "${libdir}"
@@ -139,7 +245,7 @@ ENDECHO
        # general info
        --help)
                cat <<ENDHELP
-Usage: ${THIS}-config [options]
+Usage: `basename $0` [options]
 
 Options:
   --prefix           echos the package-prefix of ${THIS}
@@ -148,6 +254,10 @@ Options:
   --cflags           echos the C compiler flags needed to compile with ${THIS}
   --libs             echos the libraries needed to link with ${THIS}
 
+  --libs-only-L      echos -L linker options (search path) for ${THIS}
+  --libs-only-l      echos -l linker options (libraries) for ${THIS}
+  --libs-only-other  echos linker options other than -L/-l
+
   --version          echos the release+patchdate version of ${THIS}
   --abi-version      echos the ABI version of ${THIS}
   --mouse-version    echos the mouse-interface version of ${THIS}