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#!/bin/bash
# We don't support srcdir != builddir
echo \#buildapi-variable-no-builddir > /dev/null
prefix=/usr
enable_documentation=yes
enable_dracut_cpio=no
CC="${CC:-cc}"
PKG_CONFIG="${PKG_CONFIG:-pkg-config}"
# Little helper function for reading args from the commandline.
# it automatically handles -a b and -a=b variants, and returns 1 if
# we need to shift $3.
read_arg() {
# $1 = arg name
# $2 = arg value
# $3 = arg parameter
local rematch='^[^=]*=(.*)$'
if [[ $2 =~ $rematch ]]; then
read -r "$1" <<< "${BASH_REMATCH[1]}"
else
read -r "$1" <<< "$3"
# There is no way to shift our callers args, so
# return 1 to indicate they should do it instead.
return 1
fi
return 0
}
while (($# > 0)); do
case "${1%%=*}" in
--prefix) read_arg prefix "$@" || shift ;;
--libdir) read_arg libdir "$@" || shift ;;
--datadir) read_arg datadir "$@" || shift ;;
--sysconfdir) read_arg sysconfdir "$@" || shift ;;
--sbindir) read_arg sbindir "$@" || shift ;;
--mandir) read_arg mandir "$@" || shift ;;
--disable-documentation) enable_documentation=no ;;
--program-prefix) read_arg programprefix "$@" || shift ;;
--exec-prefix) read_arg execprefix "$@" || shift ;;
--bindir) read_arg bindir "$@" || shift ;;
--includedir) read_arg includedir "$@" || shift ;;
--libexecdir) read_arg libexecdir "$@" || shift ;;
--localstatedir) read_arg localstatedir "$@" || shift ;;
--sharedstatedir) read_arg sharedstatedir "$@" || shift ;;
--infodir) read_arg infodir "$@" || shift ;;
--systemdsystemunitdir) read_arg systemdsystemunitdir "$@" || shift ;;
--bashcompletiondir) read_arg bashcompletiondir "$@" || shift ;;
--enable-dracut-cpio) enable_dracut_cpio=yes ;;
*) echo "Ignoring unknown option '$1'" ;;
esac
shift
done
if ! ${PKG_CONFIG} --exists --print-errors " libkmod >= 23 "; then
echo "dracut needs pkg-config and libkmod >= 23." >&2
exit 1
fi
if ! ${CC} -c -o /dev/null /dev/null &> /dev/null; then
echo "dracut needs a C compiler (${CC} not found)." >&2
exit 1
fi
cat << EOF > conftest.c
#include <fts.h>
int main() {
return 0;
}
EOF
# shellcheck disable=SC2086
${CC} $CFLAGS $LDFLAGS conftest.c > /dev/null 2>&1
ret=$?
rm -f conftest.c a.out
# musl doesn't have fts.h included
if test $ret -ne 0; then
echo "dracut needs fts development files." >&2
exit 1
fi
cat << EOF > conftest.c
#include <fts.h>
int main(void) {
fts_open(0, 0, 0);
return 0;
}
EOF
found=no
for lib in "-lc" "-lfts"; do
# shellcheck disable=SC2086
${CC} $CFLAGS $LDFLAGS conftest.c -Wl,$lib > /dev/null 2>&1
ret=$?
if test $ret -eq 0; then
FTS_LIBS="$lib"
found=yes
break
fi
done
rm -f conftest.c a.out
if test $found = no; then
echo "dracut couldn't find usable fts library" >&2
exit 1
fi
cat << EOF > conftest.c
#include <stdio.h>
#include <unistd.h>
#include <sys/syscall.h>
#ifndef SYS_gettid
#error "SYS_gettid unavailable on this system"
#endif
#define gettid() ((pid_t) syscall(SYS_gettid))
int main(void) {
return getpid() == gettid() ? 0 : -1;
}
EOF
# shellcheck disable=SC2086
${CC} $CFLAGS $LDFLAGS conftest.c > /dev/null 2>&1
ret=$?
rm -f conftest.c a.out
if test $ret -ne 0; then
echo "dracut needs SYS_gettid support." >&2
exit 1
fi
if test "$enable_dracut_cpio" = "yes"; then
cargo --version > /dev/null
ret=$?
if test $ret -ne 0; then
echo "dracut couldn't find cargo for dracut-cpio build"
exit 1
fi
fi
cat << EOF > weakdep_test.c
#include <stddef.h>
#include <libkmod.h>
int main(void) {
struct kmod_module *mod = NULL;
struct kmod_list *modweak = NULL;
return kmod_module_get_weakdeps(mod, &modweak);
}
EOF
# shellcheck disable=SC2086,SC2046
${CC} $CFLAGS $LDFLAGS weakdep_test.c $(${PKG_CONFIG} --libs libkmod) > /dev/null 2>&1
ret=$?
rm -f weakdep_test.c a.out
if test $ret -eq 0; then
KMOD_CFLAGS_EXTRA+=" -DCONFIG_WEAKDEP"
fi
cat > Makefile.inc.$$ << EOF
prefix ?= ${prefix}
libdir ?= ${libdir:-${prefix}/lib}
datadir ?= ${datadir:-${prefix}/share}
sysconfdir ?= ${sysconfdir:-${prefix}/etc}
sbindir ?= ${sbindir:-${prefix}/sbin}
mandir ?= ${mandir:-${prefix}/share/man}
enable_documentation ?= ${enable_documentation:-yes}
enable_dracut_cpio ?= ${enable_dracut_cpio}
bindir ?= ${bindir:-${prefix}/bin}
KMOD_CFLAGS ?= $(${PKG_CONFIG} --cflags " libkmod >= 23 ") ${KMOD_CFLAGS_EXTRA}
KMOD_LIBS ?= $(${PKG_CONFIG} --libs " libkmod >= 23 ")
FTS_LIBS ?= ${FTS_LIBS}
EOF
{
[[ $programprefix ]] && echo "programprefix ?= ${programprefix}"
[[ $execprefix ]] && echo "execprefix ?= ${execprefix}"
[[ $includedir ]] && echo "includedir ?= ${includedir}"
[[ $libexecdir ]] && echo "libexecdir ?= ${libexecdir}"
[[ $localstatedir ]] && echo "localstatedir ?= ${localstatedir}"
[[ $sharedstatedir ]] && echo "sharedstatedir ?= ${sharedstatedir}"
[[ $infodir ]] && echo "infodir ?= ${infodir}"
[[ $systemdsystemunitdir ]] && echo "systemdsystemunitdir ?= ${systemdsystemunitdir}"
[[ $bashcompletiondir ]] && echo "bashcompletiondir ?= ${bashcompletiondir}"
} >> Makefile.inc.$$
mv Makefile.inc.$$ Makefile.inc
|
