[xcrysden] [EXTERNAL] Re: Problem with installing xcrysden on Mac OS 10.17.7 (Catalina)

[Vo, Trinh T (US 398K)]

Thank you very much.  I am sorry for a long delay in response.  I have been dragged by other projects and do not have time to work on this until now.   I will look at the links you show and work on it to see if it works.

Trinh

From: <xcrysden-bounces at democritos.it> on behalf of Gavin Abo <gabo13279 at gmail.com>
Reply-To: XCrySDen mailing list <xcrysden at democritos.it>
Date: Monday, August 16, 2021 at 9:19 PM
To: "xcrysden at democritos.it" <xcrysden at democritos.it>
Subject: [EXTERNAL] Re: [xcrysden] Problem with installing xcrysden on Mac OS 10.17.7 (Catalina)


At [1] , I read Xcode 12 has a new "feature":

Clang now reports an error when you use a function without an explicit declaration when building C or Objective-C code for macOS (-Werror=implicit-function-declaration flag is on). This additional error detection unifies Clang’s behavior for iOS/tvOS and macOS 64-bit targets for this diagnostic. (49917738)

https://developer.apple.com/documentation/xcode-release-notes/xcode-12-release-notes<https://urldefense.us/v3/__https:/developer.apple.com/documentation/xcode-release-notes/xcode-12-release-notes__;!!PvBDto6Hs4WbVuu7!bF4ebOb40gqymR6j5ATvcPOTdqoNUR2jNOxgGyODnPbY3wofvyrUMLKSGVId8r2D1wK4$>

At [2], I read that gcc might default to clang with homebrew.  If that is the case, have you tried change it to use gcc [3]?

If that does not resolve the issue, I'm not a Mac user such that I unfortunately cannot be of much help with that.  Perhaps, there is a Mac user in the list that will respond if they have solution for that error.
[1] https://github.com/astropy/astropy/issues/10770<https://urldefense.us/v3/__https:/github.com/astropy/astropy/issues/10770__;!!PvBDto6Hs4WbVuu7!bF4ebOb40gqymR6j5ATvcPOTdqoNUR2jNOxgGyODnPbY3wofvyrUMLKSGVId8ou0i-ZE$>
[2] https://github.com/openvenues/libpostal/issues/511<https://urldefense.us/v3/__https:/github.com/openvenues/libpostal/issues/511__;!!PvBDto6Hs4WbVuu7!bF4ebOb40gqymR6j5ATvcPOTdqoNUR2jNOxgGyODnPbY3wofvyrUMLKSGVId8uRXlS2t$>
[3] https://apple.stackexchange.com/questions/245891/installed-gcc-with-homebrew-now-how-to-use-that-gcc-instead-of-clang<https://urldefense.us/v3/__https:/apple.stackexchange.com/questions/245891/installed-gcc-with-homebrew-now-how-to-use-that-gcc-instead-of-clang__;!!PvBDto6Hs4WbVuu7!bF4ebOb40gqymR6j5ATvcPOTdqoNUR2jNOxgGyODnPbY3wofvyrUMLKSGVId8ixlA3xZ$>
On 8/16/2021 11:02 AM, Vo, Trinh T (US 398K) wrote:
Dear Developer,

I compiled from source code of xcrysden on my new laptop, and I encountered the following errors:

#   Compiling XCRYSDEN C-code  #
#                              #
#------------------------------#

cd C; /Applications/Xcode.app/Contents/Developer/usr/bin/make "TOPDIR=/Users/trinhvo/xcrysden-1.6.2" compile
make  TOPDIR=/Users/trinhvo/xcrysden-1.6.2
gcc  -ffast-math -funroll-loops -fPIC -pedantic -Wall    -I/usr/include/tcl8.6 -I/usr/local/Cellar/tcl-tk/8.6.11_1/include -I/usr/local/Cellar/tcl-tk/8.6.11_1/include    -c xcAppInit.c
xcAppInit.c:407:3: error: implicit declaration of function 'XGetErrorText' is
      invalid in C99 [-Werror,-Wimplicit-function-declaration]
  XGetErrorText(display,event->error_code,buffer,sizeof(buffer)-1);
  ^
xcAppInit.c:1834:7: warning: 'glDrawBuffer' is deprecated: first deprecated in
      macOS 10.14 - OpenGL API deprecated. (Define GL_SILENCE_DEPRECATION to
      silence these warnings) [-Wdeprecated-declarations]
      glDrawBuffer(GL_BACK);

I do not know how to fix this error.  I have installed all the required libs using homebrew
         - Tcl/Tk
         - mesa and mesa-glu
         - FFTW3
For these libs, I download from web)
         - BWidget
         - Togl (2.0 or later).

I appreciate if you could help me to fix this error.

Thank you very much,

Trinh
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