[gnuastro-devel] [bug #54346] Non '-I' or non '-L' strings in CPPFLAGS or LDFLAGS cause crash

[Mohammad Akhlaghi]

URL:
  <http://savannah.gnu.org/bugs/?54346>

                 Summary: Non '-I' or non '-L' strings in CPPFLAGS or LDFLAGS
cause crash
                 Project: GNU Astronomy Utilities
            Submitted by: makhlaghi
            Submitted on: Sat 21 Jul 2018 05:37:09 PM CEST
                Category: Installation
                Severity: 3 - Normal
              Item Group: Crash
                  Status: In Progress
                 Privacy: Public
             Assigned to: makhlaghi
             Open/Closed: Open
         Discussion Lock: Any

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Details:

By definition, the CPPFLAGS and LDFLAGS environment variables are designed to
pass options to the pre-processor and linker and in particular the `-I' and
`-L' options to specify the directories to look for headers and libraries.

When building BuildProgram's configuration file, we just assume that only the
`-I' option is given to CPPFLAGS and `-L' to LDFLAGS. But while packaging in
Debian's `pdebuild', I noticed that it is passing `-W' options to these two
environment variables: `-Wdate-time -D_FORTIFY_SOURCE=2' and `-Wl,-z,relro
-Wl,-z,now' respectively.

This might happen in other situations is well. But when building
BuildProgram's configuration, we explicitly put the given values to the `-I'
and `-L' options. So a only strings that start with these two should be used,
not anything.




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