From: Sandro Santilli <strk@keybit.net>
Date: Tue, 1 Nov 2005 17:11:20 +0000 (+0000)
Subject: Ported ELF detection code from PostgreSQL. PostGIS builds on freebsd > 2 out of the... 
X-Git-Tag: pgis_1_1_0~172
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dd4750f328b9253bfac9676bdced312dd01500fa;p=postgis

Ported ELF detection code from PostgreSQL. PostGIS builds on freebsd > 2 out of the box now.


git-svn-id: http://svn.osgeo.org/postgis/trunk@2019 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/Makefile.config.in b/Makefile.config.in
index c1387e2df..edc2b0cf5 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -89,6 +89,7 @@ XSLBASE=@XSLBASE@
 #
 CC=@CC@
 CXX=@CXX@
+ELF_SYSTEM=@ELF_SYS@
 
 #
 # Other programs
diff --git a/configure.in b/configure.in
index dbde252a7..0d5ab2c31 100644
--- a/configure.in
+++ b/configure.in
@@ -384,6 +384,26 @@ case $host_os in
 		;;
 esac
 
+# Assume system is ELF if it predefines __ELF__ as 1,
+# otherwise believe host_os based default.
+case $host_os in
+    freebsd1*|freebsd2*) elf=no;;
+    freebsd3*|freebsd4*) elf=yes;;
+esac
+
+AC_EGREP_CPP(yes,
+[#if __ELF__
+  yes
+#endif
+],
+[ELF_SYS=true],
+[if test "X$elf" = "Xyes" ; then
+  ELF_SYS=true
+else
+  ELF_SYS=
+fi])
+AC_SUBST(ELF_SYS)
+
 
 
 AC_OUTPUT(Makefile.config)