Just do:
$ mkdir test
$ cat <<EOF >test/test.sh
#!/bin/sh
echo I am HERE
EOF
$ cat <<EOF >Makefile
export PATH := test:$(PATH)
$(shell test.sh)
all:
test.sh
EOF
$ make
make: temp.sh: Command not found # from $(shell ...)
temp.sh
I am HERE # from target command
So export PATH work for spawned process under target command and don't work
for $(shell ...).
When work with proprietary toolchain (like MSVC, Keil, IAR, Intel C) on
Windows under
Cygwin build env I use such techniques:
TOOL_ROOT = cygwin_like_path
export PATH := $(TOOL_ROOT)/bin:$PATH
And it work fine for target commands like:
my.o: my.c
proprietary-compiler.exe /c /OUT:$@ $<
But for some tricks I try use:
ifeq '' '$(shell which proprietary-compiler.exe)'
....
endif
And see that 'which' not found proprietary-compiler.exe.
--
С уважением, Александр Гавенко.
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