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authorIvan Vilata i Balaguer <ivan@selidor.net>2022-03-07 00:47:32 +0100
committerLudovic Courtès <ludo@gnu.org>2022-03-11 23:07:25 +0100
commit4e0c4ab7f962a56b1c5b023b40dbeb3e856c96f6 (patch)
treed5409b4516338873de6e0e6a5c35b49c89b1b0f1 /gnu/packages/patches/transfig-gcc10-fno-common.patch
parentdb41eabd47e676b3a08ff87ceea20e0cb9f98427 (diff)
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 Courtès <ludo@gnu.org>
Diffstat (limited to 'gnu/packages/patches/transfig-gcc10-fno-common.patch')
-rw-r--r--gnu/packages/patches/transfig-gcc10-fno-common.patch33
1 files changed, 33 insertions, 0 deletions
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;
+