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[Qemu-devel] [PULL 06/23] hw/char/parallel: Make it possible to compile


From: Paolo Bonzini
Subject: [Qemu-devel] [PULL 06/23] hw/char/parallel: Make it possible to compile also without CONFIG_PARALLEL
Date: Wed, 27 Mar 2019 13:37:44 +0100

From: Thomas Huth <address@hidden>

For the downstream distribution of QEMU, we want to compile without
CONFIG_PARALLEL. Commit 9157eee1b1c076ff3 already moved the function
parallel_hds_isa_init() (which is still required for linking) into a file
that is included anyway, but commit bb3d5ea858e7f888563a moved it
to a separate file which is only compiled again if CONFIG_PARALLEL is
set. To be able to link QEMU again without CONFIG_PARALLEL, the file
should be considered for linking for all targets that have CONFIG_ISA_BUS.
And while we're at it, add a proper comment in there with the rationale
for the separate file.

Signed-off-by: Thomas Huth <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 hw/char/Makefile.objs  | 2 +-
 hw/char/parallel-isa.c | 3 +++
 hw/i386/Kconfig        | 3 +--
 hw/sparc64/Kconfig     | 2 +-
 4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/hw/char/Makefile.objs b/hw/char/Makefile.objs
index c4947d7..cf086e7 100644
--- a/hw/char/Makefile.objs
+++ b/hw/char/Makefile.objs
@@ -2,7 +2,7 @@ common-obj-$(CONFIG_IPACK) += ipoctal232.o
 common-obj-$(CONFIG_ESCC) += escc.o
 common-obj-$(CONFIG_NRF51_SOC) += nrf51_uart.o
 common-obj-$(CONFIG_PARALLEL) += parallel.o
-common-obj-$(CONFIG_PARALLEL) += parallel-isa.o
+common-obj-$(CONFIG_ISA_BUS) += parallel-isa.o
 common-obj-$(CONFIG_PL011) += pl011.o
 common-obj-$(CONFIG_SERIAL) += serial.o
 common-obj-$(CONFIG_SERIAL_ISA) += serial-isa.o
diff --git a/hw/char/parallel-isa.c b/hw/char/parallel-isa.c
index 639e179..a043832 100644
--- a/hw/char/parallel-isa.c
+++ b/hw/char/parallel-isa.c
@@ -1,6 +1,9 @@
 /*
  * QEMU Parallel PORT (ISA bus helpers)
  *
+ * These functions reside in a separate file since they also might be
+ * required for linking when compiling QEMU without CONFIG_PARALLEL.
+ *
  * Copyright (c) 2003 Fabrice Bellard
  *
  * SPDX-License-Identifier: MIT
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index 78fd703..4e4415f 100644
--- a/hw/i386/Kconfig
+++ b/hw/i386/Kconfig
@@ -9,6 +9,7 @@ config PC
     imply ISA_IPMI_KCS
     imply ISA_IPMI_BT
     imply ISA_DEBUG
+    imply PARALLEL
     imply PCI_DEVICES
     imply PVPANIC
     imply QXL
@@ -25,8 +26,6 @@ config PC
     select I82374
     select I8257
     select MC146818RTC
-    # Needed by the board code:
-    select PARALLEL
     # For ACPI builder:
     select SERIAL_ISA
     select ACPI_VMGENID
diff --git a/hw/sparc64/Kconfig b/hw/sparc64/Kconfig
index 4a8166e..d4d76a8 100644
--- a/hw/sparc64/Kconfig
+++ b/hw/sparc64/Kconfig
@@ -3,13 +3,13 @@ config SUN4U
     imply PCI_DEVICES
     imply SUNHME
     imply TEST_DEVICES
+    imply PARALLEL
     select M48T59
     select ISA_BUS
     select FDC
     select SERIAL_ISA
     select PCI_SABRE
     select IDE_CMD646
-    select PARALLEL
     select PCKBD
     select SIMBA
 
-- 
1.8.3.1





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