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Makefile: bail out on error in for-loops

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`make` runs each line in a shell and bails out on error,
however, the shell is not started with `-e`, so commands in
`for` loops can fail without the error actually causing
`make` to bail out with a failure status.

For instance, the following make snippet will end
successfully, printing 'SUCCESS', despite the first `chmod`
failing:

    all:
        touch a b
        for i in a-missing-file a b; do \
            chmod 666 $$i; \
        done
        @echo SUCCESS

To prevent wrong paths in install scripts from remaining
unnoticed, let's activate `set -e` in the `for` loop
subshells.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller
2019-12-19 18:54:30 +01:00
parent 51d65f37e5
commit 258944e331
1 changed files with 4 additions and 4 deletions
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8
src/Makefile.am
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@@ -136,17 +136,17 @@ install-am: all-am
$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
ln -sf newgrp $(DESTDIR)$(ubindir)/sg
ln -sf vipw $(DESTDIR)$(usbindir)/vigr
for i in $(suidbins); do \
set -e; for i in $(suidbins); do \
chmod $(suidperms) $(DESTDIR)$(bindir)/$$i; \
done
for i in $(suidubins); do \
set -e; for i in $(suidubins); do \
chmod $(suidperms) $(DESTDIR)$(ubindir)/$$i; \
done
for i in $(suidusbins); do \
set -e; for i in $(suidusbins); do \
chmod $(suidperms) $(DESTDIR)$(usbindir)/$$i; \
done
if WITH_TCB
for i in $(shadowsgidubins); do \
set -e; for i in $(shadowsgidubins); do \
chown root:shadow $(DESTDIR)$(ubindir)/$$i; \
chmod $(sgidperms) $(DESTDIR)$(ubindir)/$$i; \
done