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Add TGT_CC and TGT_CXX #7

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10 changes: 10 additions & 0 deletions MANUAL
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Original file line number Diff line number Diff line change
Expand Up @@ -147,11 +147,21 @@ TARGET_DIR

Default value: . (make's working directory; aka project root)

TGT_CC
------
Specifies the program to be used for compiling C sources. If this option is
not specified, CC is used.

TGT_CFLAGS
----------
Like SRC_CFLAGS, but applies to all sources belonging to the current target,
not just sources in the current submakefile.

TGT_CXX
-------
Specifies the program to be used for compiling C++ sources. If this option
is not specified, CXX is used.

TGT_CXXFLAGS
------------
Like SRC_CXXFLAGS, but applies to all sources belonging to the current
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6 changes: 6 additions & 0 deletions Makefile
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Expand Up @@ -139,7 +139,9 @@ define INCLUDE_SUBMAKEFILE
# Initialize all variables that can be defined by a makefile fragment, then
# include the specified makefile fragment.
TARGET :=
TGT_CC :=
TGT_CFLAGS :=
TGT_CXX :=
TGT_CXXFLAGS :=
TGT_DEFS :=
TGT_INCDIRS :=
Expand Down Expand Up @@ -185,7 +187,9 @@ define INCLUDE_SUBMAKEFILE
# makefile apply to this new target. Initialize the target's variables.
TGT := $$(strip $${TARGET})
ALL_TGTS += $${TGT}
$${TGT}_CC := $${TGT_CC}
$${TGT}_CFLAGS := $${TGT_CFLAGS}
$${TGT}_CXX := $${TGT_CXX}
$${TGT}_CXXFLAGS := $${TGT_CXXFLAGS}
$${TGT}_DEFS := $${TGT_DEFS}
$${TGT}_DEPS :=
Expand Down Expand Up @@ -247,6 +251,8 @@ define INCLUDE_SUBMAKEFILE
# variables that were defined.
$${TGT}_OBJS += $${OBJS}
$${TGT}_DEPS += $${OBJS:%.o=%.P}
$${OBJS}: CC := $$(if $${$${TGT}_CC},$${$${TGT}_CC},$${CC})
$${OBJS}: CXX := $$(if $${$${TGT}_CXX},$${$${TGT}_CXX},$${CXX})
$${OBJS}: SRC_CFLAGS := $${$${TGT}_CFLAGS} $${SRC_CFLAGS}
$${OBJS}: SRC_CXXFLAGS := $${$${TGT}_CXXFLAGS} $${SRC_CXXFLAGS}
$${OBJS}: SRC_DEFS := $$(addprefix -D,$${$${TGT}_DEFS} $${SRC_DEFS})
Expand Down