30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
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configure.ac: explicitly add pthread cflags/libs in the libusb test
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If libusb-config does not exist, LIBUSB_CFLAGS and PTHREAD_CFLAGS will be
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empty, and the test for libusb will be performed without additional flags.
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However, when libusb needs threads, some extra flags are needed (depending
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on the platform), like -pthreads, -lpthread, etc. Without these flags, the
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test for libusb_init() will fail to link correctly, and pcsc-lite will fail
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detecting libusb.
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Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
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Upstream-status: will be submitted
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---
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diff --git a/configure.ac b/configure.ac
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--- a/configure.ac
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+++ b/configure.ac
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@@ -254,8 +254,8 @@ if test "x$use_libusb" != xno ; then
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saved_CPPFLAGS="$CPPFLAGS"
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saved_LIBS="$LIBS"
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- CPPFLAGS="$CPPFLAGS $LIBUSB_CFLAGS"
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- LIBS="$LDFLAGS $LIBUSB_LIBS"
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+ CPPFLAGS="$CPPFLAGS $LIBUSB_CFLAGS $PTHREAD_CFLAGS"
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+ LIBS="$LDFLAGS $LIBUSB_LIBS $PTHREAD_LIBS"
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AC_CHECK_HEADERS(libusb.h, [],
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[ AC_MSG_ERROR([libusb.h not found, use ./configure LIBUSB_CFLAGS=...]) ])
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