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Only include SPI related files when (at least) one SPI driver is enabled

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This commit is contained in:
Philippe Teuwen 2013-03-27 16:58:01 +01:00
parent 1ab282d43c
commit fc420d58af
3 changed files with 8 additions and 3 deletions
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3
configure.ac
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@ -121,6 +121,9 @@ LIBNFC_ARG_WITH_DRIVERS
# Enable UART if
AM_CONDITIONAL(UART_ENABLED, [test x"$uart_required" = x"yes"])
# Enable SPI if
AM_CONDITIONAL(SPI_ENABLED, [test x"$spi_required" = x"yes"])
# Documentation (default: no)
AC_ARG_ENABLE([doc],AS_HELP_STRING([--enable-doc],[Enable documentation generation.]),[enable_doc=$enableval],[enable_doc="no"])

5
libnfc/buses/Makefile.am
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@ -8,11 +8,12 @@ libnfcbuses_la_CFLAGS = -I$(top_srcdir)/libnfc
libnfcbuses_la_LIBADD =
EXTRA_DIST =
# SPI_ENABLED
if SPI_ENABLED
libnfcbuses_la_SOURCES += spi.c spi.h
libnfcbuses_la_CFLAGS +=
libnfcbuses_la_LIBADD +=
EXTRA_DIST = spi_posix.c
endif
EXTRA_DIST = spi.c spi.h
if UART_ENABLED
libnfcbuses_la_SOURCES += uart.c uart.h

1
m4/libnfc_drivers.m4
View file

@ -76,6 +76,7 @@ AC_DEFUN([LIBNFC_ARG_WITH_DRIVERS],
DRIVERS_CFLAGS="$DRIVERS_CFLAGS -DDRIVER_PN532_UART_ENABLED"
;;
pn532_spi)
spi_required="yes"
driver_pn532_spi_enabled="yes"
DRIVERS_CFLAGS="$DRIVERS_CFLAGS -DDRIVER_PN532_SPI_ENABLED"
;;