Some attempts to get FreeBSD and Solaris build working

Author: NWilson

README

@@ -169,6 +169,9 @@ library. They are also documented in the pcre2build man page.
   versions of all the relevant libraries are available for linking. See also
   "Shared libraries" below.
 
+  Shared libraries are compiled with symbol versioning enabled on platforms that
+  support this, but this can be disabled by adding --disable-symvers.
+
 . By default, only the 8-bit library is built. If you add --enable-pcre2-16 to
   the "configure" command, the 16-bit library is also built. If you add
   --enable-pcre2-32 to the "configure" command, the 32-bit library is also

maint/RunSymbolTest

@@ -37,6 +37,13 @@ fi
 supports_versions=1
 if [ "`uname -s`" = "Darwin" ]; then
   supports_versions=0
+elif [ "`uname -s`" = "FreeBSD" ]; then
+  # Highly annoyingly, FreeBSD's nm doesn't show symbol versions, so we just
+  # skip checking it.
+  supports_versions=0
+elif [ "`uname -s`" = "SunOS" ]; then
+  # Similarly for Solaris.
+  supports_versions=0
 fi
 
 so_ext=so

maint/RunSymbolTest.ps1

@@ -37,8 +37,9 @@ foreach ($dllName in $dllNames) {
     $actualOutput = ($actualSymbols -join "`n") + "`n"
     $null = New-Item -Force $base -Value $actualOutput
 
-    $expectedOutput = Get-Content -Path $expectedFile -Raw
-    $actualOutput = Get-Content -Path $base -Raw
+    $expectedSymbols = (Get-Content -Path $expectedFile -Raw).TrimEnd("`n") |
+        ForEach-Object { $_ -replace '@@.*', '' }
+    $expectedOutput = ($expectedSymbols -join "`n") + "`n"
 
     if ($expectedOutput -ne $actualOutput) {
         Write-Host "Shared object contents for $dllFile differ from expected"

src/libpcre2-16.sym

@@ -79,6 +79,9 @@ PCRE2_10.46 {
     pcre2_substring_list_get_16;
     pcre2_substring_nametable_scan_16;
     pcre2_substring_number_from_name_16;
+  local:
+    _fini;
+    _init;
 };
 
 # PCRE2_10.47 {} PCRE2_10.46;

src/libpcre2-32.sym

@@ -79,6 +79,9 @@ PCRE2_10.46 {
     pcre2_substring_list_get_32;
     pcre2_substring_nametable_scan_32;
     pcre2_substring_number_from_name_32;
+  local:
+    _fini;
+    _init;
 };
 
 # PCRE2_10.47 {} PCRE2_10.46;

src/libpcre2-8.sym

@@ -79,6 +79,9 @@ PCRE2_10.46 {
     pcre2_substring_list_get_8;
     pcre2_substring_nametable_scan_8;
     pcre2_substring_number_from_name_8;
+  local:
+    _fini;
+    _init;
 };
 
 # PCRE2_10.47 {} PCRE2_10.46;

src/libpcre2-posix.sym

@@ -5,6 +5,9 @@ PCRE2_10.46 {
     pcre2_regerror;
     pcre2_regexec;
     pcre2_regfree;
+  local:
+    _fini;
+    _init;
 };
 
 # PCRE2_10.47 {} PCRE2_10.46;