Merge commit '0673ede985a6560e7efb86dab1c58fb7f95ce587'

* commit '0673ede985a6560e7efb86dab1c58fb7f95ce587':
  configure: add strip flags checks

Merged-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 71b95f2ab603ea607bc1b930fcfc3974b40ba484)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
build sys: rename STRIPFLAGS to ASMSTRIPFLAGS

This more closely matches the actual use, also we use plain
strip without these flags for striping

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e283c26c35c4f18c8eb2e79183037a883b12d1e5)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
configure: remove code that disables striping in the absence of some flags

This prevents breaking (non asm) striping in that case

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 191454f26e5a2f5026fef9a25df6d61c2a06615c)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
library.mak: only run asm strip if ASMSTRIP flags are set

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e975c147e18010a9f96f56b21d0cd0f026eaae0e)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>