1 files changed, 90 insertions, 0 deletions
diff --git a/recipes-demo/de10-nano-fftsw-apps/files/build_lib.sh b/recipes-demo/de10-nano-fftsw-apps/files/build_lib.sh
new file mode 100755
index 0000000..a6b2878
--- /dev/null
+++ b/recipes-demo/de10-nano-fftsw-apps/files/build_lib.sh
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+CC_TEST="${CC:?}"
+type -t ${CC%${CC#*gcc}} > /dev/null 2>&1 || {
+	echo ""
+	echo "ERROR: cross compiler tools are not visible in the environment."
+	echo ""
+	exit 1
+}
+
+THE_SYSROOT="$(${CC:?} -print-sysroot)"
+
+[ -f "${THE_SYSROOT:?}${includedir:?}/NE10.h" ] || {
+	echo ""
+	echo "ERROR: cannot locate include file 'NE10.h'."
+	echo "ERROR: '${THE_SYSROOT:?}${includedir:?}/NE10.h'"
+	echo ""
+	exit 1
+}
+
+[ -f "${THE_SYSROOT:?}${libdir:?}/libNE10.so" ] || {
+	echo ""
+	echo "ERROR: cannot locate library archive 'libNE10.so'."
+	echo "ERROR: '${THE_SYSROOT:?}${libdir:?}/libNE10.so'"
+	echo ""
+	exit 1
+}
+
+[ "$#" -eq "1" ] || {
+	echo ""
+	echo "USAGE: ${0} <library name>"
+	echo ""
+	exit 1
+}
+
+[ -e "lib${1}.a" ] && {
+	echo ""
+	echo "lib${1}.a already exists"
+	echo "please remove it and try again"
+	echo "rm lib${1}.a"
+	echo ""
+	exit 1
+}
+
+[ -e "${1}.c" ] || {
+	echo ""
+	echo "${1}.c does not exists"
+	echo "cannot compile it"
+	echo ""
+	exit 1
+}
+
+${CC:?} \
+	-march=armv7-a \
+	-mfloat-abi=hard \
+	-mfpu=neon \
+	-mthumb-interwork \
+	-mthumb \
+	-O2 -D_FORTIFY_SOURCE=2 \
+	-g \
+	-feliminate-unused-debug-types  \
+	-std=gnu99 \
+	-W \
+	-Wall \
+	-Werror \
+	-Wc++-compat \
+	-Wwrite-strings \
+	-Wstrict-prototypes \
+	-Wformat -Wformat-security \
+	-pedantic \
+	-fstack-protector-strong \
+	-z noexecstack \
+	-z relro -z now \
+	-o "${1}.o" \
+	-c \
+	"${1}.c"
+
+[ "${1}.c" -nt "${1}.o" ] && {
+	echo ""
+	echo "${1}.c is newer than ${1}.o"
+	echo "cannot archive it"
+	echo ""
+	exit 1
+}
+
+${AR:?} \
+	-r \
+	"lib${1}.a" \
+	"${1}.o"
+