Add recipe for fastmatch 1.1-8

recipes/recipes_emscripten/r-fastmatch/patches/0001-Remove-dummy.c.patch

@@ -0,0 +1,31 @@
+From ae8423bb3477b25b3d668a1e4c4b3e84b0129bd8 Mon Sep 17 00:00:00 2001
+From: Raniere Gaia Costa da Silva <Raniere.CostadaSilva@gesis.org>
+Date: Thu, 29 Jan 2026 10:36:27 +0100
+Subject: [PATCH] Remove dummy.c
+
+As recommended in https://github.com/s-u/fastmatch/issues/13
+---
+ src/dummy.c | 11 -----------
+ 1 file changed, 11 deletions(-)
+ delete mode 100644 src/dummy.c
+
+diff --git a/src/dummy.c b/src/dummy.c
+deleted file mode 100644
+index 5bddef9..0000000
+--- a/src/dummy.c
++++ /dev/null
+@@ -1,11 +0,0 @@
+-/* dummy symbols to keep superfluous CRAN checks happy
+-   (this package uses NAMESPACE C-level symbol registration
+-   but the checks don't get that) */
+-
+-extern void R_registerRoutines(void);
+-extern void R_useDynamicSymbols(void);
+-
+-void dummy(void) {
+-    R_registerRoutines();
+-    R_useDynamicSymbols();
+-}
+-- 
+2.52.0
+

recipes/recipes_emscripten/r-fastmatch/recipe.yaml

@@ -0,0 +1,53 @@
+context:
+  name: r-fastmatch
+  version: 1.1-8
+
+package:
+  name: ${{ name }}
+  version: ${{ version|replace("-", "_") }}
+
+source:
+  url:
+  - https://cran.r-project.org/src/contrib/${{ name[2:] }}_${{ version }}.tar.gz
+  - https://cloud.r-project.org/src/contrib/${{ name[2:] }}_${{ version }}.tar.gz
+  sha256: 2661c01bdc2383f4a30bf940e6bc3b68f1329db5f0e837df8160eb893f748d54
+  patches:
+  - patches/0001-Remove-dummy.c.patch
+
+build:
+  number: 0
+  script: $R CMD INSTALL $R_ARGS .
+
+requirements:
+  build:
+  - ${{ compiler('c') }}
+  - cross-r-base_${{ target_platform }} ==${{ r_base }}
+  host:
+  - r-base ==${{ r_base }}
+  run:
+
+tests:
+- package_contents:
+    lib:
+    - R/library/${{ name[2:] }}/libs/${{ name[2:] }}.so
+- script: run_r_test test-r-fastmatch.R
+  files:
+    recipe:
+    - test-r-fastmatch.R
+  requirements:
+    build:
+    - r-wasm-tester
+
+about:
+  homepage: https://www.rforge.net/fastmatch
+  license: GPL-2.0-only
+  summary: Package providing a fast match() replacement for cases that require repeated look-ups.
+    It is slightly faster that R's built-in match() function on first match against
+    a table, but extremely fast on any subsequent lookup as it keeps the hash table
+    in memory.
+  license_family: GPL2
+  license_file: DESCRIPTION
+
+extra:
+  recipe-maintainers:
+    - rgaiacs

recipes/recipes_emscripten/r-fastmatch/test-r-fastmatch.R

@@ -0,0 +1,17 @@
+library(fastmatch)
+
+stopifnot(is.function(coalesce))
+stopifnot(is.function(ctapply))
+stopifnot(is.function(fmatch))
+
+# Example from fastmatch documentation
+i = rnorm(2e6)
+names(i) = as.integer(rnorm(2e6))
+coalesce(names(i))
+
+i = i[order(names(i))]
+ctapply(i, names(i), sum)
+
+x = as.integer(rnorm(1e6) * 1000000)
+s = 1:100
+fmatch(s,x)