gnu: proj-7: Add upstream patch.

* gnu/packages/patches/proj-7-initialize-memory.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/geo.scm (proj-7)[source]: Add it.

1 files changed, 98 insertions, 0 deletions

diff --git a/gnu/packages/patches/proj-7-initialize-memory.patch b/gnu/packages/patches/proj-7-initialize-memory.patch
new file mode 100644
index 0000000000..81481f9a46
--- /dev/null
+++ b/gnu/packages/patches/proj-7-initialize-memory.patch
@@ -0,0 +1,98 @@
+From 6f1a3c4648bf06862dca0b3725cbb3b7ee0284e3 Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sat, 6 Mar 2021 22:12:27 +0100
+Subject: [PATCH] =?UTF-8?q?gie=5Fself=5Ftests:=20fix=20use=20of=20uninitia?=
+ =?UTF-8?q?lized=20memory=20(fixes=C2=A0#2557)?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+---
+ test/unit/gie_self_tests.cpp | 39 ++++++++++++++++++++++--------------
+ 1 file changed, 24 insertions(+), 15 deletions(-)
+
+diff --git a/test/unit/gie_self_tests.cpp b/test/unit/gie_self_tests.cpp
+index 4244766ebf..92f1c758dc 100644
+--- a/test/unit/gie_self_tests.cpp
++++ b/test/unit/gie_self_tests.cpp
+@@ -268,8 +268,10 @@ TEST_F(gieTest, proj_create_crs_to_crs) {
+     ASSERT_TRUE(P != nullptr);
+     PJ_COORD a, b;
+ 
+-    a.xy.x = 700000.0;
+-    a.xy.y = 6000000.0;
++    a.xyzt.x = 700000.0;
++    a.xyzt.y = 6000000.0;
++    a.xyzt.z = 0;
++    a.xyzt.t = HUGE_VAL;
+     b.xy.x = 307788.8761171057;
+     b.xy.y = 5999669.3036037628;
+ 
+@@ -306,8 +308,10 @@ TEST_F(gieTest, proj_create_crs_to_crs_EPSG_4326) {
+     PJ_COORD a, b;
+ 
+     // Lat, long degrees
+-    a.xy.x = 0.0;
+-    a.xy.y = 3.0;
++    a.xyzt.x = 0.0;
++    a.xyzt.y = 3.0;
++    a.xyzt.z = 0;
++    a.xyzt.t = HUGE_VAL;
+ 
+     b.xy.x = 500000.0;
+     b.xy.y = 0.0;
+@@ -328,8 +332,10 @@ TEST_F(gieTest, proj_create_crs_to_crs_proj_longlat) {
+     PJ_COORD a, b;
+ 
+     // Long, lat degrees
+-    a.xy.x = 3.0;
+-    a.xy.y = 0;
++    a.xyzt.x = 3.0;
++    a.xyzt.y = 0;
++    a.xyzt.z = 0;
++    a.xyzt.t = HUGE_VAL;
+ 
+     b.xy.x = 500000.0;
+     b.xy.y = 0.0;
+@@ -718,9 +724,10 @@ TEST(gie, proj_create_crs_to_crs_PULKOVO42_ETRS89) {
+     proj_destroy(target_crs);
+ 
+     // Romania
+-    c.xyz.x = 45; // Lat
+-    c.xyz.y = 25; // Long
+-    c.xyz.z = 0;
++    c.xyzt.x = 45; // Lat
++    c.xyzt.y = 25; // Long
++    c.xyzt.z = 0;
++    c.xyzt.t = HUGE_VAL;
+     c = proj_trans(P, PJ_FWD, c);
+     EXPECT_NEAR(c.xy.x, 44.999701238, 1e-9);
+     EXPECT_NEAR(c.xy.y, 24.998474948, 1e-9);
+@@ -740,9 +747,10 @@ TEST(gie, proj_create_crs_to_crs_PULKOVO42_ETRS89) {
+     EXPECT_NEAR(c.xy.x, 45, 1e-8);
+     EXPECT_NEAR(c.xy.y, 25, 1e-8);
+ 
+-    c.xyz.x = 45; // Lat
+-    c.xyz.y = 25; // Long
+-    c.xyz.z = 0;
++    c.xyzt.x = 45; // Lat
++    c.xyzt.y = 25; // Long
++    c.xyzt.z = 0;
++    c.xyzt.t = HUGE_VAL;
+     proj_trans_generic(P, PJ_FWD, &(c.xyz.x), sizeof(double), 1, &(c.xyz.y),
+                        sizeof(double), 1, &(c.xyz.z), sizeof(double), 1,
+                        nullptr, 0, 0);
+@@ -783,9 +791,10 @@ TEST(gie, proj_create_crs_to_crs_outside_area_of_use) {
+     EXPECT_EQ(P->fwd, nullptr);
+ 
+     // Test point outside area of use of both candidate coordinate operations
+-    c.xyz.x = 58; // Lat in deg
+-    c.xyz.y = 5;  // Long in deg
+-    c.xyz.z = 0;
++    c.xyzt.x = 58; // Lat in deg
++    c.xyzt.y = 5;  // Long in deg
++    c.xyzt.z = 0;
++    c.xyzt.t = HUGE_VAL;
+     c = proj_trans(P, PJ_FWD, c);
+     EXPECT_NEAR(c.xy.x, 64.44444444444444, 1e-9); // Lat in grad
+     EXPECT_NEAR(c.xy.y, 2.958634259259258, 1e-9); // Long in grad