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make: Add scripts/utilities.mak

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Some features need to be tested on the system
where the project is compiled, so instead of
drowning into autoconf hell lets try to handle
all this with make facility.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov 2013-05-20 16:02:07 +04:00 • committed by Pavel Emelyanov
parent 4f1d2a1005
commit 234dce785f
1 changed files with 15 additions and 0 deletions
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15
scripts/utilities.mak Normal file
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@ -0,0 +1,15 @@
# try-cc
# Usage: option = $(call try-cc, source-to-build, cc-options)
try-cc = $(shell sh -c \
'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \
echo "$(1)" | \
$(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \
rm -f "$$TMP"')
# try-build
# Usage: option = $(call try-build, source-to-build, cc-options, link-options)
try-build = $(shell sh -c \
'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \
echo "$(1)" | \
$(CC) -x c - $(2) $(3) -o "$$TMP" > /dev/null 2>&1 && echo y; \
rm -f "$$TMP"')