Change in flashrom[master]: Makefile: use HAS_ USE_ pattern for serial support

[Nico Huber (Code Review)]

Nico Huber has submitted this change. ( https://review.coreboot.org/c/flashrom/+/62196 )

Change subject: Makefile: use HAS_ USE_ pattern for serial support
......................................................................

Makefile: use HAS_ USE_ pattern for serial support

Align the usage of serial function with the selection of other
dependencies.

Change-Id: Ica951e76d6362b01f09d23a729a2a6049e7f0b66
Signed-off-by: Thomas Heijligen 
Reviewed-on: https://review.coreboot.org/c/flashrom/+/62196
Tested-by: build bot (Jenkins) 
Reviewed-by: Nico Huber 
---
M Makefile
1 file changed, 12 insertions(+), 10 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Nico Huber: Looks good to me, approved

diff --git a/Makefile b/Makefile
index eb478dd..53531a4 100644
--- a/Makefile
+++ b/Makefile
@@ -98,6 +98,9 @@
    CONFIG_PONY_SPI \
    CONFIG_SERPROG \

+DEPENDS_ON_SOCKETS := \
+	CONFIG_SERPROG \
+
 DEPENDS_ON_BITBANG_SPI := \
    CONFIG_INTERNAL_X86 \
    CONFIG_NICINTEL_SPI \
@@ -247,14 +250,13 @@
 HAS_LINUX_MTD       := $(call c_compile_test, Makefile.d/linux_mtd_test.c)
 HAS_LINUX_SPI       := $(call c_compile_test, Makefile.d/linux_spi_test.c)
 HAS_LINUX_I2C       := $(call c_compile_test, Makefile.d/linux_i2c_test.c)
+HAS_SERIAL          := $(strip $(if $(filter $(TARGET_OS), DOS libpayload), no, yes))
 EXEC_SUFFIX         := $(strip $(if $(filter $(TARGET_OS), DOS MinGW), .exe))

ifeq ($(TARGET_OS), DOS)
 # DJGPP has odd uint*_t definitions which cause lots of format string warnings.
 override CFLAGS += -Wno-format
 override LDFLAGS += -lgetopt
-# Missing serial support.
-$(call mark_unsupported,$(DEPENDS_ON_SERIAL))
 endif

ifeq ($(TARGET_OS), $(filter $(TARGET_OS), MinGW Cygwin))
@@ -292,8 +294,6 @@
 $(call mark_unsupported,CONFIG_DUMMY)
 # libpayload does not provide the romsize field in struct pci_dev that the atapromise code requires.
 $(call mark_unsupported,CONFIG_ATAPROMISE)
-# Bus Pirate, Serprog and PonyProg are not supported with libpayload (missing serial support).
-$(call mark_unsupported,$(DEPENDS_ON_SERIAL))
 # Dediprog, Developerbox, USB-Blaster, PICkit2, CH341A and FT2232 are not supported with libpayload (missing libusb support).
 $(call mark_unsupported,$(DEPENDS_ON_LIBUSB1) $(DEPENDS_ON_LIBFTDI) $(DEPENDS_ON_LIBJAYLINK))
 endif
@@ -340,6 +340,10 @@
 $(call mark_unsupported,$(DEPENDS_ON_LIBUSB1))
 endif

+ifeq ($(HAS_SERIAL), no)
+$(call mark_unsupported, $(DEPENDS_ON_SERIAL))
+endif
+
 ifeq ($(ENDIAN), little)
 FEATURE_FLAGS += -D'__FLASHROM_LITTLE_ENDIAN__=1'
 endif
@@ -611,8 +615,6 @@
 ifeq ($(CONFIG_SERPROG), yes)
 FEATURE_FLAGS += -D'CONFIG_SERPROG=1'
 PROGRAMMER_OBJS += serprog.o
-NEED_SERIAL += CONFIG_SERPROG
-NEED_POSIX_SOCKETS += CONFIG_SERPROG
 endif

ifeq ($(CONFIG_RAYER_SPI), yes)
@@ -628,7 +630,6 @@
 ifeq ($(CONFIG_PONY_SPI), yes)
 FEATURE_FLAGS += -D'CONFIG_PONY_SPI=1'
 PROGRAMMER_OBJS += pony_spi.o
-NEED_SERIAL += CONFIG_PONY_SPI
 endif

ifeq ($(CONFIG_BITBANG_SPI), yes)
@@ -749,7 +750,6 @@
 ifeq ($(CONFIG_BUSPIRATE_SPI), yes)
 FEATURE_FLAGS += -D'CONFIG_BUSPIRATE_SPI=1'
 PROGRAMMER_OBJS += buspirate_spi.o
-NEED_SERIAL += CONFIG_BUSPIRATE_SPI
 endif

ifeq ($(CONFIG_DEDIPROG), yes)
@@ -807,7 +807,8 @@
 LIB_OBJS += i2c_helper_linux.o
 endif

-ifneq ($(NEED_SERIAL), )
+USE_SERIAL := $(if $(call filter_deps,$(DEPENDS_ON_SERIAL)),yes,no)
+ifeq ($(USE_SERIAL), yes)
 LIB_OBJS += serial.o
 ifeq ($(TARGET_OS), Linux)
 LIB_OBJS += custom_baud_linux.o
@@ -816,7 +817,8 @@
 endif
 endif

-ifneq ($(NEED_POSIX_SOCKETS), )
+USE_SOCKETS := $(if $(call filter_deps,$(DEPENDS_ON_SOCKETS)),yes,no)
+ifeq ($(USE_SOCKETS), yes)
 ifeq ($(TARGET_OS), SunOS)
 override LDFLAGS += -lsocket -lnsl
 endif