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Add cross compile capabilities #96

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Add cross compile capabilities #96

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145f225
add support for CC via ENV
FreshXOpenSource Jul 9, 2018
dbec716
add support for CC via ENV
FreshXOpenSource Jul 9, 2018
2bd9bd6
add support for CC via ENV
FreshXOpenSource Jul 9, 2018
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5 changes: 5 additions & 0 deletions install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,11 @@ echo "done."

patch ./wiringpi/devLib/Makefile < ./patchs/devLib_Makefile.patch
patch ./wiringpi/gpio/Makefile < ./patchs/gpio_Makefile.patch
patch ./wiringpi/wiringPi/Makefile < ./patchs/wiringpi_Makefile.patch

if [ -z "$CC" ]; then
export CC=gcc
fi

echo -n "Making libWiringPi ... "
cd ./wiringpi/wiringPi/
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3 changes: 2 additions & 1 deletion patchs/devLib_Makefile.patch
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Expand Up @@ -11,7 +11,8 @@
@@ -33,7 +34,7 @@
#DEBUG = -g -O0
DEBUG = -O2
CC = gcc
-CC = gcc
+CC ?= gcc
-INCLUDE = -I.
+INCLUDE = -I. -I$(PWD)/../wiringPi
DEFS = -D_GNU_SOURCE
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3 changes: 2 additions & 1 deletion patchs/gpio_Makefile.patch
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Expand Up @@ -8,7 +8,8 @@

#DEBUG = -g -O0
DEBUG = -O2
CC = gcc
-CC = gcc
+CC ?= gcc
-INCLUDE = -I$(DESTDIR)$(PREFIX)/include
+INCLUDE = -I$(PWD)/../wiringPi -I$(PWD)/../devLib
CFLAGS = $(DEBUG) -Wall $(INCLUDE) -Winline -pipe
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11 changes: 11 additions & 0 deletions patchs/wiringpi_Makefile.patch
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@@ -0,0 +1,11 @@
--- ./wiringpi/wiringPi/Makefile 2018-07-09 17:41:41.230429060 +0200
+++ ./wiringpi/wiringPi/Makefile_orig 2018-07-09 17:40:09.449485572 +0200
@@ -30,7 +30,7 @@

#DEBUG = -g -O0
DEBUG = -O2
+CC ?= gcc
-CC = gcc
INCLUDE = -I.
DEFS = -D_GNU_SOURCE
CFLAGS = $(DEBUG) $(DEFS) -Wformat=2 -Wall -Winline $(INCLUDE) -pipe -fPIC