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02/05: gnu: transfig: Fix "multiple definition" errors with GCC 10+.


From: guix-commits
Subject: 02/05: gnu: transfig: Fix "multiple definition" errors with GCC 10+.
Date: Fri, 11 Mar 2022 17:23:43 -0500 (EST)

civodul pushed a commit to branch master
in repository guix.

commit 4e0c4ab7f962a56b1c5b023b40dbeb3e856c96f6
Author: Ivan Vilata i Balaguer <ivan@selidor.net>
AuthorDate: Mon Mar 7 00:47:32 2022 +0100

    gnu: transfig: Fix "multiple definition" errors with GCC 10+.
    
    * gnu/packages/patches/transfig-gcc10-fno-common.patch: New patch.
    * gnu/local.mk (dist_patch_DATA): Add it.
    * gnu/packages/xfig.scm (transfig)[source]<origin>: Use patch
    "transfig-gcc10-fno-common.patch" to avoid "multiple definition" errors with
    GCC 10+ and "-f-no-common".
    
    Signed-off-by: Ludovic Court├Ęs <ludo@gnu.org>
---
 gnu/local.mk                                       |  1 +
 .../patches/transfig-gcc10-fno-common.patch        | 33 ++++++++++++++++++++++
 gnu/packages/xfig.scm                              |  5 +++-
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/gnu/local.mk b/gnu/local.mk
index 60ee713508..484757b207 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1855,6 +1855,7 @@ dist_patch_DATA =                                         
\
   gnu/packages/patches/tootle-reason-phrase.patch              \
   %D%/packages/patches/tor-sandbox-i686.patch                  \
   %D%/packages/patches/transcode-ffmpeg.patch  \
+  %D%/packages/patches/transfig-gcc10-fno-common.patch         \
   %D%/packages/patches/transmission-honor-localedir.patch      \
   %D%/packages/patches/tremc-fix-decodestring.patch            \
   %D%/packages/patches/trytond-add-egg-modules-to-path.patch   \
diff --git a/gnu/packages/patches/transfig-gcc10-fno-common.patch 
b/gnu/packages/patches/transfig-gcc10-fno-common.patch
new file mode 100644
index 0000000000..ebe9236533
--- /dev/null
+++ b/gnu/packages/patches/transfig-gcc10-fno-common.patch
@@ -0,0 +1,33 @@
+Fixes "multiple definition" errors when building with GCC 10+.
+
+Based on <https://bugs.gentoo.org/show_bug.cgi?id=706706>.
+--- a/fig2dev/dev/gensvg.c     2010-07-01 22:41:16.000000000 +0200
++++ b/fig2dev/dev/gensvg.c     2022-02-27 20:02:33.379945500 +0100
+@@ -230,10 +230,12 @@
+ };
+ 
+ /* arrowhead arrays */
+-Point   points[50], fillpoints[50], clippoints[50];
+-int     npoints, nfillpoints, nclippoints;
+-int     arrowx1, arrowy1;     /* first point of object */
+-int     arrowx2, arrowy2;     /* second point of object */
++Point   fillpoints[50];
++int     nfillpoints;
++extern Point   points[50], clippoints[50];
++extern int     npoints, nclippoints;
++extern int     arrowx1, arrowy1;      /* first point of object */
++extern int     arrowx2, arrowy2;      /* second point of object */
+ 
+ static int tileno=0; /* number of current tile */ 
+ 
+--- a/fig2dev/fig2dev.h        2010-03-16 19:53:20.000000000 +0100
++++ b/fig2dev/fig2dev.h        2022-02-27 19:56:06.072253991 +0100
+@@ -126,7 +126,7 @@
+ extern char   *prog, *from, *to;
+ extern char   *name;
+ extern double font_size;
+-Boolean       correct_font_size;      /* use correct font size */
++extern Boolean        correct_font_size;      /* use correct font size */
+ extern double mag, fontmag;
+ extern FILE   *tfp;
+ 
diff --git a/gnu/packages/xfig.scm b/gnu/packages/xfig.scm
index ad2f701ff1..1d4d17527c 100644
--- a/gnu/packages/xfig.scm
+++ b/gnu/packages/xfig.scm
@@ -86,7 +86,10 @@ selected in various ways.  For text, 35 fonts are 
available.")
                            version ".tar.gz"))
        (sha256
         (base32
-         "0i3p7qmg2w8qrad3pn42b0miwarql7yy0gpd49b1bpal6bqsiicf"))))
+         "0i3p7qmg2w8qrad3pn42b0miwarql7yy0gpd49b1bpal6bqsiicf"))
+       (patches
+        (search-patches
+         "transfig-gcc10-fno-common.patch")))) ; fix GCC10 build
     (build-system gnu-build-system)
     (native-inputs
      (list imake makedepend))



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