Support shared libraries on Android (using make)

While the rest of the make build system maps Android to Linux, Android
uses unversioned shared libraries (like "libpq.so").  This patch makes
it so.  (Meson already supported it.)

Reported-by: Matthias Kuhn <matthias@opengis.ch>
Discussion: https://www.postgresql.org/message-id/flat/CAC7zN94TdsHhY88XkroJzSMx7E%3DBQpV9LKKjNSEnTM04ihoWCA%40mail.gmail.com

diff --git a/src/Makefile.shlib b/src/Makefile.shlib
index f94d59d1c5970a14013fd10b9e4cfc0e78c310ae..8ca51ca03f75db44e96d74e077b17bce8cfbab81 100644 (file)
--- a/src/Makefile.shlib
+++ b/src/Makefile.shlib
@@ -183,6 +183,11 @@ endif
 ifeq ($(PORTNAME), linux)
   LINK.shared      = $(COMPILER) -shared
   ifdef soname
+    ifneq (,$(findstring linux-android,$(host_os)))
+      # Android uses unversioned shared libraries
+      shlib        = $(shlib_bare)
+      soname       = $(shlib_bare)
+    endif
     LINK.shared        += -Wl,-soname,$(soname)
   endif
   BUILD.exports        = ( echo '{ global:'; $(AWK) '/^[^\#]/ {printf "%s;\n",$$1}' $<; echo ' local: *; };' ) >$@