diffpdf.1 | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 fix lintian warning, hyphen-used-as-minus-sign

diffpdf.pro | 3 3 + 0 - 0 !
1 file changed, 3 insertions(+)

 teach qmake to use the compiling flags from the environment