Merge branch 'release'

[notmuch] / configure

diff --git a/configure b/configure
index 20961763ff36c33cc8a4d5022d32e76405e95336..a6f5dfa2ca2b894da29ff4bd93ef96a3266587ab 100755 (executable)
--- a/configure
+++ b/configure
@@ -53,7 +53,8 @@ fi
 
 # Set several defaults (optionally specified by the user in
 # environment variables)
-BASH=${BASH:-bash}
+BASHCMD=${BASHCMD:-bash}
+PERL=${PERL:-perl}
 CC=${CC:-cc}
 CXX=${CXX:-c++}
 CFLAGS=${CFLAGS:--g -O2}
@@ -559,13 +560,23 @@ else
 fi
 
 printf "Checking for bash... "
-if command -v ${BASH} > /dev/null; then
+if command -v ${BASHCMD} > /dev/null; then
     have_bash=1
-    bash_absolute=$(command -v ${BASH})
+    bash_absolute=$(command -v ${BASHCMD})
     printf "Yes (%s).\n" "$bash_absolute"
 else
     have_bash=0
-    printf "No. (%s not found)\n" "${BASH}"
+    printf "No. (%s not found)\n" "${BASHCMD}"
+fi
+
+printf "Checking for perl... "
+if command -v ${PERL} > /dev/null; then
+    have_perl=1
+    perl_absolute=$(command -v ${PERL})
+    printf "Yes (%s).\n" "$perl_absolute"
+else
+    have_perl=0
+    printf "No. (%s not found)\n" "${PERL}"
 fi
 
 printf "Checking for python... "
@@ -612,8 +623,8 @@ if [ -z "${EMACSETCDIR-}" ]; then
     EMACSETCDIR="\$(prefix)/share/emacs/site-lisp"
 fi
 
-printf "Checking if emacs is available... "
-if emacs --quick --batch > /dev/null 2>&1; then
+printf "Checking if emacs (>= 24) is available... "
+if emacs --quick --batch --eval '(if (< emacs-major-version 24) (kill-emacs 1))' > /dev/null 2>&1; then
     printf "Yes.\n"
     have_emacs=1
 else
@@ -1096,6 +1107,10 @@ emacsetcdir=${EMACSETCDIR}
 HAVE_BASH = ${have_bash}
 BASH_ABSOLUTE = ${bash_absolute}
 
+# Whether perl exists, and if so where
+HAVE_PERL = ${have_perl}
+PERL_ABSOLUTE = ${perl_absolute}
+
 # Whether there's an emacs binary available for byte-compiling
 HAVE_EMACS = ${have_emacs}
 
@@ -1281,6 +1296,10 @@ NOTMUCH_HAVE_MAN=$((have_sphinx))
 NOTMUCH_HAVE_BASH=${have_bash}
 NOTMUCH_BASH_ABSOLUTE=${bash_absolute}
 
+# Whether perl exists, and if so where
+NOTMUCH_HAVE_PERL=${have_perl}
+NOTMUCH_PERL_ABSOLUTE=${perl_absolute}
+
 # Name of python interpreter
 NOTMUCH_PYTHON=${python}