FreeBSD fixes: change shebang line in shell scripts, detect FreeBSD a…

…nd use clang instead of gcc to link

bench.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Compile the latest master and a given MR in Release mode from scratch.
 #

build0.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 set -x

build1.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 set -x

ci/azure_install_macos.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

ci/azure_mirror.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 set -x

ci/azure_status.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

ci/create_source_tarball.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

ci/create_source_tarball0.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

ci/github_mirror.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 set -x

ci/grammar_conflicts.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

ci/upload_docs.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 set -x

ci/upload_tarball.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 set -x

ci/version.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This script extracts the project's current version from git using
 # `git describe`, which determines the version based on the latest tag, such as:

integration_tests/interop/mod2.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

integration_tests/interop/run.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex
 

src/bin/lfortran.cpp

@@ -911,8 +911,15 @@ int compile_to_object_file_cpp(const std::string &infile,
                 out.open(outfile_empty);
                 out << " ";
             }
+	    std::string CC;
+            if (compiler_options.platform == LFortran::Platform::macOS_Intel
+                || compiler_options.platform == LFortran::Platform::macOS_ARM
+                || compiler_options.platform == LFortran::Platform::FreeBSD) {
+                CC = "clang";
+            } else {
+                CC = "gcc";
+            }
             char *env_CC = std::getenv("LFORTRAN_CC");
-            std::string CC="gcc";
             if (env_CC) CC = env_CC;
             std::string cmd = CC + " -c " + outfile_empty + " -o " + outfile;
             int err = system(cmd.c_str());
@@ -1053,7 +1060,8 @@ int link_executable(const std::vector<std::string> &infiles,
         } else {
             std::string CC;
             if (compiler_options.platform == LFortran::Platform::macOS_Intel
-                || compiler_options.platform == LFortran::Platform::macOS_ARM) {
+                || compiler_options.platform == LFortran::Platform::macOS_ARM
+                || compiler_options.platform == LFortran::Platform::FreeBSD) {
                 CC = "clang";
             } else {
                 CC = "gcc";
@@ -1281,6 +1289,7 @@ int main(int argc, char *argv[])
                 case (LFortran::Platform::macOS_Intel) : std::cout << "macOS Intel"; break;
                 case (LFortran::Platform::macOS_ARM) : std::cout << "macOS ARM"; break;
                 case (LFortran::Platform::Windows) : std::cout << "Windows"; break;
+                case (LFortran::Platform::FreeBSD) : std::cout << "FreeBSD"; break;
             }
             std::cout << std::endl;
 #ifdef HAVE_LFORTRAN_LLVM

src/lfortran/utils.cpp

@@ -99,7 +99,11 @@ Platform get_platform()
     return Platform::macOS_Intel;
 #        endif
 #    else
+#        ifdef __FreeBSD__
+    return Platform::FreeBSD;
+#        else
     return Platform::Linux;
+#        endif
 #    endif
 #endif
 }

src/lfortran/utils.h

@@ -10,7 +10,8 @@ enum Platform {
     Linux,
     macOS_Intel,
     macOS_ARM,
-    Windows
+    Windows,
+    FreeBSD
 };
 
 Platform get_platform();

test_lfortran_cmdline

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -e
 set -x

tests/interop/generate_mod_files.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 set -ex