FreeBSD compatibility patch (#145)

* FreeBSD compatibility patch

* add github workflow using FreeBSD in VM

---------

Co-authored-by: Michael Smith <miksmith@attglobal.net>
Co-authored-by: michaeldsmith <37905569+michaeldsmith@users.noreply.github.com>

.github/workflows/freebsd.yml

@@ -0,0 +1,76 @@
+name: FreeBSD
+
+on:
+  push:
+    paths-ignore:
+      - 'README.md'
+      - 'doc/**'
+  pull_request:
+    paths-ignore:
+      - 'README.md'
+      - 'doc/**'
+
+env:
+    # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+    BUILD_TYPE: Debug
+
+jobs:
+
+  setup-freeBSD:
+
+    runs-on: ubuntu-latest
+    # based on example from https://github.com/marketplace/actions/freebsd-vm
+    steps:
+    - uses: actions/checkout@v4
+    - name: setup FreeBSD on github runner
+      id: test
+      uses: vmactions/freebsd-vm@v1
+      with:
+        usesh: true
+        prepare: |
+          pkg install -y curl
+
+        run: |
+          pwd
+          ls -lah
+          whoami
+          env
+          freebsd-version
+          
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: do CI on FreeBSD VM on github runner
+      id: test
+      uses: vmactions/freebsd-vm@v1
+      with:
+        usesh: true
+        prepare: |
+          pkg install -y cmake
+          pkg install -y openexr
+          pkg install -y tiff
+        run:  |
+            mkdir build &&
+            cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} &&
+            cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
+            
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: do CI on FreeBSD VM on github runner
+      id: test
+      uses: vmactions/freebsd-vm@v1
+      with:
+        usesh: true
+        prepare: |
+          pkg install -y cmake
+          pkg install -y openexr
+          pkg install -y tiff
+        run:  |
+            mkdir build &&
+            cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} &&
+            cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} &&
+            cd build &&
+            ctest -V --output-on-failure

ctlrender/tiff_file.cc

@@ -65,6 +65,8 @@
 #include <Iex.h>
 #ifdef _WIN32
   #include <malloc.h>
+#elif defined(__FreeBSD__)
+  #include <stdlib.h>
 #else
   #include <alloca.h>
 #endif

lib/IlmCtl/CtlExc.cpp

@@ -57,6 +57,8 @@
 #include <stdio.h>
 #ifdef _WIN32
 	#include <malloc.h>
+#elif defined(__FreeBSD__)
+	#include <stdlib.h>
 #else
 	#include <alloca.h>
 #endif

lib/IlmCtl/CtlTypeStorage.cpp

@@ -66,6 +66,8 @@
 #include <string.h>
 #ifdef _WIN32
 	#include <malloc.h>
+#elif defined(__FreeBSD__)
+	#include <stdlib.h>
 #else
 	#include <alloca.h>
 #endif

lib/dpx/dpx_util.cc

@@ -57,6 +57,8 @@
 #include <stdio.h>
 #ifdef _WIN32
 	#include <malloc.h>
+#elif defined(__FreeBSD__)
+	#include <stdlib.h>
 #else
 	#include <alloca.h>
 #endif