test.yml: try to use gnu grep on mac

Author: pantxo

.github/workflows/test.yml

@@ -44,6 +44,12 @@ jobs:
         uses: gerlero/brew-install@v1
         with:
           packages: octave
+        
+      - name: Install Gnu grep
+        id: install-octave
+        uses: gerlero/brew-install@v1
+        with:
+          packages: grep
 
       - name: Check Out the Repo
         uses: actions/checkout@v4
@@ -55,3 +61,9 @@ jobs:
 
       - name: Test oct-hdf5
         run: make check
+        
+      - name: Archive test results
+        uses: actions/upload-artifact@v4
+        with:
+          name: code-coverage-report
+          path: test/fntests.log

src/Makefile

@@ -9,7 +9,12 @@ SOURCES      := $(wildcard *.cc)
 OBJS         := $(patsubst %.cc,%.oct,$(SOURCES))
 SOURCES_UTIL := $(wildcard *.cc)
 OBJS_UTIL    := $(patsubst %.cc,%.o,$(SOURCES_UTIL))
-PKG_ADD      := $(shell grep -Pho '(?<=// PKG_ADD: ).*' $(SOURCES))
+ifeq ($(UNAME),Darwin)
+ GREP         = ggrep
+else
+ GREP         = grep
+endif
+PKG_ADD      := $(shell $(GREP) -Pho '(?<=// PKG_ADD: ).*' $(SOURCES))
 
 ## Test Octave version
 OCT_MAJ_VER  := $(shell ${OCTAVE} -f --silent --eval "printf ('%s', strsplit (version, \".\"){1})")