[Minios-devel] [UNIKRAFT PATCH v2 11/23] kconfig: Fixdep and host flags

[Sharan Santhanam <sharan.santhanam@xxxxxxxxx>]

Add CFLAGS, LDFLAGS, include paths and fixdep flags as a part of the
host_cflags. The host_cflags are used to detect if there was changes to
these flags.

Signed-off-by: Sharan Santhanam <sharan.santhanam@xxxxxxxxx>
---
 support/kconfig.new/Makefile.br               |  6 +++++-
 .../patches/08-fixdep-and-config-flag         | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 support/kconfig.new/patches/08-fixdep-and-config-flag

diff --git a/support/kconfig.new/Makefile.br b/support/kconfig.new/Makefile.br
index 8e64a9b9..ed9a5cf0 100644
--- a/support/kconfig.new/Makefile.br
+++ b/support/kconfig.new/Makefile.br
@@ -42,9 +42,13 @@ host-cobjs := $(addprefix $(obj)/,$(host-cobjs))
 host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs))
 fixdep-objs := $(obj)/fixdep.o
 
-HOST_EXTRACFLAGS += -I$(obj) -DCONFIG_=\"\"
+HOST_EXTRACFLAGS += -I$(src) -I$(obj) -DCONFIG_=\"\"
 
+_hostc_flags = $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) $(HOSTCFLAGS_$(basetarget).o)
+_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACFLAGS) 
$(HOSTCXXFLAGS_$(basetarget).o)
 
+hostc_flags    = -Wp,-MD,$(depfile) $(_hostc_flags)
+hostcxx_flags  = -Wp,-MD,$(depfile) $(_hostcxx_flags)
 
 $(obj)/fixdep: $(fixdep-objs)
        $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTCFLAGS) $(HOSTCFLAGS_$(@F)) $< -o $@
diff --git a/support/kconfig.new/patches/08-fixdep-and-config-flag 
b/support/kconfig.new/patches/08-fixdep-and-config-flag
new file mode 100644
index 00000000..4a3a358c
--- /dev/null
+++ b/support/kconfig.new/patches/08-fixdep-and-config-flag
@@ -0,0 +1,19 @@
+diff --git a/support/kconfig.new/Makefile.br b/support/kconfig.new/Makefile.br
+index 29dee5e..9c11293 100644
+--- a/support/kconfig.new/Makefile.br
++++ b/support/kconfig.new/Makefile.br
+@@ -42,9 +42,13 @@ host-cobjs := $(addprefix $(obj)/,$(host-cobjs))
+ host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs))
+ fixdep-objs := $(obj)/fixdep.o
+ 
+-HOST_EXTRACFLAGS += -I$(obj) -DCONFIG_=\"\"
++HOST_EXTRACFLAGS += -I$(src) -I$(obj) -DCONFIG_=\"\"
+ 
++_hostc_flags = $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) $(HOSTCFLAGS_$(basetarget).o)
++_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACFLAGS) 
$(HOSTCXXFLAGS_$(basetarget).o)
+ 
++hostc_flags    = -Wp,-MD,$(depfile) $(_hostc_flags)
++hostcxx_flags  = -Wp,-MD,$(depfile) $(_hostcxx_flags)
+ 
+ $(obj)/fixdep: $(fixdep-objs)
+       $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTCFLAGS) $(HOSTCFLAGS_$(@F)) $< -o $@
-- 
2.20.1


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