From d3b184809608f3ea948b199d779ec02169ad7085 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Sat, 17 Aug 2019 14:55:32 +0400
Subject: [PATCH] meson: convert target/s390x/gen-features.h
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Needed by linux-user/s390x/cpu_loop.c; this removes the only use of HOST_CC.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 Makefile                    |  2 ++
 configure                   |  1 -
 meson.build                 |  1 +
 target/meson.build          |  1 +
 target/s390x/Makefile.objs  | 20 --------------------
 target/s390x/cpu_features.h |  2 +-
 target/s390x/cpu_models.h   |  2 +-
 target/s390x/meson.build    |  9 +++++++++
 8 files changed, 15 insertions(+), 23 deletions(-)
 create mode 100644 target/meson.build
 create mode 100644 target/s390x/meson.build

diff --git a/Makefile b/Makefile
index 1ee3398c15..698bbdfcd3 100644
--- a/Makefile
+++ b/Makefile
@@ -124,6 +124,8 @@ CONFIG_BLOCK := $(call lor,$(CONFIG_SOFTMMU),$(CONFIG_TOOLS))
 generated-files-y = config-host.h
 
 generated-files-y += module_block.h
+generated-files-y += target/s390x/gen-features.h
+target/s390x/gen-features.h: Makefile.ninja
 
 generated-files-y += .git-submodule-status
 
diff --git a/configure b/configure
index e58607a984..c20436f8b2 100755
--- a/configure
+++ b/configure
@@ -7834,7 +7834,6 @@ echo "CC=$cc" >> $config_host_mak
 if $iasl -h > /dev/null 2>&1; then
   echo "IASL=$iasl" >> $config_host_mak
 fi
-echo "HOST_CC=$host_cc" >> $config_host_mak
 echo "CXX=$cxx" >> $config_host_mak
 echo "OBJCC=$objcc" >> $config_host_mak
 echo "AR=$ar" >> $config_host_mak
diff --git a/meson.build b/meson.build
index ece3be725d..c892672628 100644
--- a/meson.build
+++ b/meson.build
@@ -348,6 +348,7 @@ qemuutil = declare_dependency(link_with: libqemuutil,
 
 subdir('io')
 subdir('fsdev')
+subdir('target')
 
 # Other build targets
 if 'CONFIG_GUEST_AGENT' in config_host
diff --git a/target/meson.build b/target/meson.build
new file mode 100644
index 0000000000..e29dd3e01f
--- /dev/null
+++ b/target/meson.build
@@ -0,0 +1 @@
+subdir('s390x')
diff --git a/target/s390x/Makefile.objs b/target/s390x/Makefile.objs
index 3e2745594a..9b9accc5fd 100644
--- a/target/s390x/Makefile.objs
+++ b/target/s390x/Makefile.objs
@@ -8,23 +8,3 @@ obj-$(CONFIG_SOFTMMU) += sigp.o
 obj-$(CONFIG_KVM) += kvm.o
 obj-$(call lnot,$(CONFIG_KVM)) += kvm-stub.o
 obj-$(call lnot,$(CONFIG_TCG)) += tcg-stub.o
-
-# build and run feature list generator
-feat-src = $(SRC_PATH)/target/$(TARGET_BASE_ARCH)/
-feat-dst = $(BUILD_DIR)/$(TARGET_DIR)
-ifneq ($(MAKECMDGOALS),clean)
-generated-files-y += $(feat-dst)gen-features.h
-endif
-
-$(feat-dst)gen-features.h: $(feat-dst)gen-features.h-timestamp
-	@cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(feat-dst)gen-features.h-timestamp: $(feat-dst)gen-features
-	$(call quiet-command,$< >$@,"GEN","$(TARGET_DIR)gen-features.h")
-
-$(feat-dst)gen-features: $(feat-src)gen-features.c
-	$(call quiet-command,$(HOST_CC) $(QEMU_INCLUDES) -o $@ $<,"CC","$(TARGET_DIR)gen-features")
-
-clean-target:
-	rm -f gen-features.h-timestamp
-	rm -f gen-features.h
-	rm -f gen-features
diff --git a/target/s390x/cpu_features.h b/target/s390x/cpu_features.h
index da695a8346..2a29475493 100644
--- a/target/s390x/cpu_features.h
+++ b/target/s390x/cpu_features.h
@@ -16,7 +16,7 @@
 
 #include "qemu/bitmap.h"
 #include "cpu_features_def.h"
-#include "gen-features.h"
+#include "target/s390x/gen-features.h"
 
 /* CPU features are announced via different ways */
 typedef enum {
diff --git a/target/s390x/cpu_models.h b/target/s390x/cpu_models.h
index 88bd01a616..74d1f87e4f 100644
--- a/target/s390x/cpu_models.h
+++ b/target/s390x/cpu_models.h
@@ -14,7 +14,7 @@
 #define TARGET_S390X_CPU_MODELS_H
 
 #include "cpu_features.h"
-#include "gen-features.h"
+#include "target/s390x/gen-features.h"
 #include "hw/core/cpu.h"
 
 /* static CPU definition */
diff --git a/target/s390x/meson.build b/target/s390x/meson.build
new file mode 100644
index 0000000000..ddf8d20a36
--- /dev/null
+++ b/target/s390x/meson.build
@@ -0,0 +1,9 @@
+gen_features = executable('gen-features', 'gen-features.c', native: true,
+                          build_by_default: false)
+
+gen_features_h = custom_target('gen-features.h',
+                               output: 'gen-features.h',
+                               capture: true,
+                               command: gen_features)
+
+specific_ss.add(gen_features_h)