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|
# $NetBSD: check-headers.sh,v 1.6 2006/11/09 14:41:18 rillig Exp $
#
# This program checks the header files for possible problems.
#
# When a macro definition contains the characters "${", it is likely
# that is comes from a GNU-style configure script that didn't use the
# ${prefix} or ${exec_prefix} variable correctly.
#
set -eu
. "${PKGSRCDIR}/mk/check/check-subr.sh"
cs_setprogname "$0"
found_unresolved_variable=no
# usage: check_header <fname>
check_header() {
# See the end of the loop for the redirection.
while read line; do
# Check for "${" in macro definitions.
case "$line" in
"#define"*"\"\${"[a-z]*"}"*"\""*)
found_unresolved_variable=yes
cs_error_heading "Found unresolved variable in macro:"
cs_error_msg "$fname: $line"
;;
esac
done < "$1"
}
find * -type f -print 2>/dev/null \
| {
while read fname; do
skip=no
eval "case \"\$fname\" in $SKIP_FILTER *.orig) skip=yes;; esac"
[ $skip = no ] || continue
case "$fname" in
*.h | *.hpp | *.h++ | *.hxx)
check_header "$fname"
;;
esac
done
if [ $found_unresolved_variable = yes ]; then
cs_explain <<EOF
The above macros may contain references to shell variables.
The cause of this problem is usually that in a configure.ac or
configure.in file, there is some code like
FOO_DIR="\${bindir}"
AC_DEFINE_UNQUOTED(FOO_DIR, "\$FOO_DIR", [Directory where foo files go])
You can fix this by telling the original package author not to use
AC_DEFINE_UNQUOTED for directories. Instead, {he,she} should do
something like this:
# in configure.ac:
foodir="\${bindir}"
AC_SUBST(FOO_DIR)
# in the Makefile.am files (can be more than one):
AM_CPPFLAGS= -DFOO_DIR=\\"@FOO_DIR@\\"
If this check is wrong and the package really wants to have "\${" in the
macros, append the above filenames to the CHECK_HEADERS_SKIP variable in
the package Makefile.
EOF
fi
cs_exit
}
|
