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Introduce optional user variable 'PLATFORM' for cross compilation

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katjav 2019-12-15 21:40:05 +01:00
parent 65e9fc78d7
commit 262143b66d
1 changed files with 22 additions and 0 deletions
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22
Makefile.pdlibbuilder
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@ -434,6 +434,28 @@ endif
################################################################################ ################################################################################
#=== target platform ===========================================================
# PLATFORM: optional user variable to define target platform for cross
# compilation. Redefine build tools accordingly. PLATFORM should match
# the exact target prefix of tools present in $PATH, like x86_64-w64-mingw32,
# x86_64-apple-darwin12 etc. Tool definitions are exported to ensure submakes
# will get the same.
ifneq ($(PLATFORM),)
ifneq ($(findstring darwin, $(PLATFORM)),)
export CC = $(PLATFORM)-cc
export CXX = $(PLATFORM)-c++
export CPP = $(PLATFORM)-cc
else
export CC = $(PLATFORM)-gcc
export CXX = $(PLATFORM)-g++
export CPP = $(PLATFORM)-cpp
endif
STRIP = $(PLATFORM)-strip
endif
# Let (native or cross-) compiler report target triplet and isolate individual # Let (native or cross-) compiler report target triplet and isolate individual
# words therein to facilitate later processing. # words therein to facilitate later processing.
target.triplet := $(subst -, ,$(shell $(CC) -dumpmachine)) target.triplet := $(subst -, ,$(shell $(CC) -dumpmachine))