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--- preparing_a_build_environment_in_cygwin [2021/06/18 23:26]
– [2) Grab the latest version of ghdl via git and copy its source into gcc] gurce
+++ preparing_a_build_environment_in_cygwin [2024/12/24 05:03] (current)
– gurce
@@ Line 121: / Line 121: @@
   * **cd ~/Downloads**
   * **wget http://mirror.aarnet.edu.au/pub/gnu/gcc/gcc-4.9.3/gcc-4.9.3.tar.gz**
+    * NOTE: (12/12/2024) In this discord thread, I mention that I used a newer version of gcc - 9.4.0, also mentioned some other caveats/gotchyas...)
+      * https://discord.com/channels/719326990221574164/782759365064917065/1107932116139909151
   * **mkdir gcc**
   * **cd gcc**
@@ Line 130: / Line 132: @@
   * **cd ~/Downloads**
   * **%%git clone http://git.code.sf.net/p/ghdl-updates/ghdl-updates.git ghdl-updates --config core.autocrlf=input%%**
+    * NOTE: I think it might be better to grab a newer version of this repo at this location (which might work better with newer versions of gcc too):
+      * https://github.com/ghdl/ghdl/blob/master/doc/development/building/GCC.rst
   * **cd ghdl-updates**
   * **%%./configure --with-gcc=$HOME/Downloads/gcc/gcc-4.9.3%%**
@@ Line 138: / Line 142: @@
   * **cd ~/Downloads/gcc/**
   * **mkdir gcc-objs; cd gcc-objs**
-  * **../gcc-4.9.3/configure --prefix=/opt/gcc-4.9.3 --enable-languages=c,vhdl --disable-bootstrap --disable-lto --disable-multilib**
+  * **%%../gcc-4.9.3/configure --prefix=/opt/gcc-4.9.3 --enable-languages=c,vhdl --disable-bootstrap --disable-lto --disable-multilib%%**
   * **make -j2**
     * If you get an error saying "//../../gcc-4.9.3/libcpp/system.h:142:63: error: ‘fputs_unlocked’ was not declared in this scope//":
       * Edit the "**gcc-4.9.3/libcpp/system.h**" file
       * Towards the start of the file, add "**#define __GNU_VISIBLE 1**" (prior to "#include <stdio.h>")
+      * run **make -j2** again
+    * If you get an error saying "//: No such file or directory//", try typing:
+      * **export SHELLOPTS**
+      * **set -o igncr**
       * run **make -j2** again
   * **make install**
   * **rm /usr/bin/ghdl**
   * **ln -s /opt/gcc-4.9.3/bin/ghdl.exe /usr/bin/ghdl**
-  * As a test, try typing "**ghdl --disp-config**"
+  * As a test, try typing "**%%ghdl --disp-config%%**"
   * take a look at the output, and assure that there's no text anywhere that says "//ghdl: installation problem://". If not, your ghdl exe is good to go! :)