X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=configure;h=acb90a8c610efdf24c5d472e6a2d1852b71dc391;hp=5602be247611558fdb1cc1f743e0ac3cf9239a82;hb=df6f3cdf9d421011090ccb50af9828f5903544ee;hpb=fae97b1013a18ad960aa0cd413154783409f310d

diff --git a/configure b/configure
index 5602be24..acb90a8c 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,21 @@
 #! /bin/sh
 
+# Test whether this shell is capable of parameter substring processing.
+( option='a/b'; : ${option#*/} ) 2>/dev/null || {
+    echo "
+The shell interpreting '$0' is lacking some required features.
+
+To work around this problem you may try to execute:
+
+    ksh $0 $*
+ or
+    bash $0 $*
+"
+    exit 1
+}
+
 # Store original IFS value so it can be changed (and restored) in many places.
-readonly DEFAULT_IFS=$IFS
+readonly DEFAULT_IFS="$IFS"
 
 srcdir=$(dirname "$0")
 
@@ -360,6 +374,10 @@ elif [ $uname = "SunOS" ] ; then
     printf "Solaris.\n"
     platform=SOLARIS
     linker_resolves_library_dependencies=0
+elif [ $uname = "FreeBSD" ] ; then
+    printf "FreeBSD.\n"
+    platform=FREEBSD
+    linker_resolves_library_dependencies=0
 elif [ $uname = "Linux" ] || [ $uname = "GNU" ] ; then
     printf "$uname\n"
     platform="$uname"
@@ -649,7 +667,7 @@ HAVE_GETLINE = ${have_getline}
 # build its own version)
 HAVE_STRCASESTR = ${have_strcasestr}
 
-# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS
+# Supported platforms (so far) are: LINUX, MACOSX, SOLARIS, FREEBSD
 PLATFORM = ${platform}
 
 # Whether the linker will automatically resolve the dependency of one