Install libcoloredstderr.so read-only.

[coloredstderr/coloredstderr.git] / src / Makefile.am

diff --git a/src/Makefile.am b/src/Makefile.am
index 1526e1d5eafc640df46936b89fd9cff40b26fc8e..46f9289437bc038dfdcd73bfee55f96155cb85cb 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -6,3 +6,12 @@ libcoloredstderr_la_SOURCES = coloredstderr.c \
                               hookmacros.h \
                               ldpreload.h \
                               trackfds.h
+
+# Make sure the library is not writable. See README why this is important. Is
+# not run with `make libcoloredstderr.la`, but this isn't common usage.
+all-local: $(lib_LTLIBRARIES)
+       find .libs -type f -exec chmod ugo-w '{}' \;
+# `install` uses normal permissions, "fix" them so `make install` also
+# installs non-writable files.
+install-exec-hook:
+       find $(DESTDIR)$(libdir) -type f -exec chmod ugo-w '{}' \;