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#!/bin/sh
# common shell functions and variable setup for the bs build system,
# expect variables to be set and exported in bs.mk
test -z "$CC" && CC=cc
test -z "$CPP" && CPP='cc -E'
test -z "$PKGCONFIG" && PKGCONFIG=pkg-config
p ()
{
echo >&2 "$@"
}
run_cc ()
{
$CC $CPPFLAGS $CFLAGS $LDFLAGS \
$cppflags $cflags $ldflags -o t.o t.c >/dev/null 2>&1
}
test_header ()
{
cat > t.c <<EOF
#include <$1.h>
int main (void) { return 0; }
EOF
run_cc
}
dep_paths ()
{
name=$1
eval "cflags=`echo '$'`${name}_cflags"
eval "ldflags=`echo '$'`${name}_ldflags"
eval "pfx=`echo '$'`${name}_pfx"
if test -n "$pfx"; then
cflags="$cflags -I$pfx/include"
ldflags="$ldflags -L$pfx/lib"
fi
}
test_compile ()
{
h=shift
cat > t.c <<EOF
#include <$h.h>
int main () { $@ return 0; }
EOF
run_cc
}
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