bugGNU Astronomy Utilities - Bugs: bug #56300, Configure script finds...


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bug #56300: Configure script finds gsl_interp_steffen but building fails

Submitted by:  Mohammad Akhlaghi <makhlaghi>
Submitted on:  Fri 10 May 2019 02:25:44 PM UTC  
Category:  Installation Severity:  3 - Normal
Item Group:  Crash Status:  Postponed
Privacy:  Public Assigned to:  None
Open/Closed:  Open

Fri 10 May 2019 02:25:44 PM UTC, original submission:  

When there are multiple GSL installations on an system, and one of them doesn't support the `gsl_interp_steffen' function, it can happen that the configure script finds the header with this function, but the `make' script fails because it can't link with it.

Currently `configure.ac' uses `AC_CHECK_DECLS' to find this symbol in the headers. So a possible fix may be to also use the standard `AC_CHECK_LIB' and if that fails inform the user at configure time and propose solutions.

If we can somehow ask configure to find the location of the header, we can also modify the absolute address and add it to LDFLAGS, so it links with the proper library also.

Mohammad Akhlaghi <makhlaghi>
Project Administrator


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