[CIG-SEISMO] SW4 installation error (weiyu chen)

[Petersson, Anders]

This looks like a linking error and it looks like you are using gnu compilers. You need to add -lgfortran to the EXTRA-LINK-FLAGS variable. Look in configs/make.linux for an example.
/Anders

On 4/2/18, 12:07 PM, "CIG-SEISMO on behalf of cig-seismo-request at geodynamics.org" <cig-seismo-bounces at geodynamics.org on behalf of cig-seismo-request at geodynamics.org> wrote:

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    Today's Topics:
    
       1. SW4 installation error (weiyu chen)
       2. using SPECFEM3D fot simulating gravity perturbation
          (yaoyixin1989 at 163.com)
    
    
    ----------------------------------------------------------------------
    
    Message: 1
    Date: Thu, 29 Mar 2018 04:24:30 +0000
    From: weiyu chen <wyc1974 at hotmail.com>
    To: "cig-seismo at geodynamics.org" <cig-seismo at geodynamics.org>
    Subject: [CIG-SEISMO] SW4 installation error
    Message-ID:
    	<MWHPR15MB1935FDC30FACE6F6FC73D6BEA9A20 at MWHPR15MB1935.namprd15.prod.outlook.com>
    	
    Content-Type: text/plain; charset="utf-8"
    
    Hi,
    
    I am pretty new to Linux, so was following the SW4 installation step-
    by-step. I encountered following error messages when "make"
    
    xerror.o: In function `xersav_.constprop.2':
    xerror.f:(.text+0x12c): undefined reference to `_gfortran_st_write'
    xerror.f:(.text+0x140): undefined reference to
    `_gfortran_transfer_character_write'
    xerror.f:(.text+0x14a): undefined reference to
    `_gfortran_st_write_done'
    .....
    
    Can you please teach me how to install SW4 properly? Many thanks.
    
    weiyu
    
    
    ------------------------------
    
    Message: 2
    Date: Mon, 2 Apr 2018 22:04:20 +0800
    From: "yaoyixin1989 at 163.com" <yaoyixin1989 at 163.com>
    To: cig-seismo <cig-seismo at geodynamics.org>
    Subject: [CIG-SEISMO] using SPECFEM3D fot simulating gravity
    	perturbation
    Message-ID: <2018040222041938194616 at 163.com>
    Content-Type: text/plain; charset="utf-8"
    
    Dear prof.,
    I am a PhD student of Institute of Geodesy and Geophysics, Chinese Academy of Sciences. I am interested in gravity perturbation caused by an earthquake, and I try to do the simulation by using SPECFEM3D software. These days, I have searched the manual clearly, but I didn't find the detailed discription about gravity perturbation. 
    What should I do, is there a detailed manual about how to simulate the gravity perturbation?
    Thank you very much for your kind consideration and I am looking forward to your reply!
    
    Sincerely, yours
    Yixin Yao
    
    
    yaoyixin1989 at 163.com
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