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Set -e to make these scripts fail on the first error. Set -u because these scripts are invoked by Makefile, and do not work properly without necessary variables defined. Both options are described in POSIX. [1] [1]: https://pubs.opengroup.org/onlinepubs/009604499/utilities/set.html Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
58 lines
1.5 KiB
Bash
Executable File
58 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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set -eu
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cflags=$1
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libs=$2
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PKG="ncursesw"
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PKG2="ncurses"
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if [ -n "$(command -v ${HOSTPKG_CONFIG})" ]; then
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if ${HOSTPKG_CONFIG} --exists $PKG; then
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${HOSTPKG_CONFIG} --cflags ${PKG} > ${cflags}
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${HOSTPKG_CONFIG} --libs ${PKG} > ${libs}
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exit 0
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fi
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if ${HOSTPKG_CONFIG} --exists ${PKG2}; then
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${HOSTPKG_CONFIG} --cflags ${PKG2} > ${cflags}
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${HOSTPKG_CONFIG} --libs ${PKG2} > ${libs}
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exit 0
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fi
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fi
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# Check the default paths in case pkg-config is not installed.
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# (Even if it is installed, some distributions such as openSUSE cannot
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# find ncurses by pkg-config.)
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if [ -f /usr/include/ncursesw/ncurses.h ]; then
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echo -D_GNU_SOURCE -I/usr/include/ncursesw > ${cflags}
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echo -lncursesw > ${libs}
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exit 0
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fi
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if [ -f /usr/include/ncurses/ncurses.h ]; then
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echo -D_GNU_SOURCE -I/usr/include/ncurses > ${cflags}
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echo -lncurses > ${libs}
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exit 0
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fi
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# As a final fallback before giving up, check if $HOSTCC knows of a default
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# ncurses installation (e.g. from a vendor-specific sysroot).
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if echo '#include <ncurses.h>' | ${HOSTCC} -E - >/dev/null 2>&1; then
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echo -D_GNU_SOURCE > ${cflags}
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echo -lncurses > ${libs}
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exit 0
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fi
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echo >&2 "*"
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echo >&2 "* Unable to find the ncurses package."
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echo >&2 "* Install ncurses (ncurses-devel or libncurses-dev"
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echo >&2 "* depending on your distribution)."
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echo >&2 "*"
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echo >&2 "* You may also need to install ${HOSTPKG_CONFIG} to find the"
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echo >&2 "* ncurses installed in a non-default location."
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echo >&2 "*"
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exit 1
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