1#!/bin/sh
2#
3# SPDX-License-Identifier: BSD-3-Clause
4#
5# Copyright © 2019 Keith Packard
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10#
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13#
14# 2. Redistributions in binary form must reproduce the above
15#    copyright notice, this list of conditions and the following
16#    disclaimer in the documentation and/or other materials provided
17#    with the distribution.
18#
19# 3. Neither the name of the copyright holder nor the names of its
20#    contributors may be used to endorse or promote products derived
21#    from this software without specific prior written permission.
22#
23# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
34# OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36DIR="$(dirname "$0")"
37
38# First argument must be target architecture
39
40case "$1" in
41    "")
42	echo "Usage: $0 <architecture>" 1>&2
43	exit 1
44	;;
45esac
46
47export ARCH="$1"
48shift
49
50# Find cross compile configuration
51
52CROSS="$DIR"/cross-"$ARCH".txt
53
54if [ -f "$CROSS" ]; then
55    :
56else
57    echo "$0: $ARCH not supported" 1>&2
58    exit 1
59fi
60
61# 'clang-' prefix uses clang instead of gcc
62
63case "$ARCH" in
64    clang-*)
65	ARCH=$(echo "$ARCH" | sed 's/clang-//')
66	;;
67esac
68
69case "$*" in
70    *-Dio-long-double=true*)
71	case "$ARCH" in
72	    *rv[36][24]*|*riscv*|*aarch64*|*power9-fp128*|*sparc*)
73		case "$*" in
74		    *-Dtinystdio=false*)
75			echo "io-long-double for legacy stdio not supported on riscv, aarch64, power-fp128 or sparc"
76			exit 77
77			;;
78		esac
79		;;
80	    *power*|*avr*)
81		echo "io-long-double not supported on power double double or avr"
82		exit 77
83		;;
84	esac
85	case "$*" in
86	    *-Dtest-long-double=false*)
87		echo "skipping io-long-double when test-long-double=false"
88		exit 77
89		;;
90	esac
91	;;
92esac
93
94# Check for sysroot-install and automatically set prefix if needed
95
96case "$*" in
97    *sysroot-install=true*)
98	case "$*" in
99	    *-Dprefix*)
100		:
101		;;
102	    *)
103		SYSROOT_ORIG="$("${ARCH}-gcc" -print-sysroot)"
104		SYSROOT="$(readlink -f "$SYSROOT_ORIG")"
105		PREFIX="-Dprefix=$SYSROOT"
106		;;
107	esac
108	;;
109esac
110
111# Run meson
112
113case "$PREFIX" in
114    "")
115	meson setup \
116	      -Dincludedir=picolibc/"$ARCH"/include \
117	      -Dlibdir=picolibc/"$ARCH"/lib \
118	      --cross-file "$CROSS" \
119	      "$@" \
120	      "$DIR"/..
121	;;
122    *)
123	meson setup \
124	      -Dincludedir=picolibc/"$ARCH"/include \
125	      -Dlibdir=picolibc/"$ARCH"/lib \
126	      --cross-file "$CROSS" \
127	      "$PREFIX" "$@" \
128	      "$DIR"/..
129	;;
130esac
131