make ugly regexp a bit more robust to corner cases

[simgrid.git] / src / smpi / smpif90.in

diff --git a/src/smpi/smpif90.in b/src/smpi/smpif90.in
index a269cd8..fc75375 100644 (file)
--- a/src/smpi/smpif90.in
+++ b/src/smpi/smpif90.in
@@ -33,8 +33,8 @@ trap 'cleanup' EXIT
 
 filter_and_compile() {
     list_add TMPFILES "${TMPFILE}"
-    #replace "program main_name by subroutine user\_main (and the end clause as well)"
-    sed 's/[[:space:]]*[pP][rR][oO][gG][rR][aA][mM][[:space:]][[:space:]]*\([a-zA-Z0-9\-\_]*\)/ subroutine user\_main /g' "${ARG}" > "${TMPFILE}"
+    #replace "program main_name by subroutine user_main (and the end clause as well)"
+    sed 's/^\([[:space:]]*\)\([eE][nN][dD] \)\{0,1\}[pP][rR][oO][gG][rR][aA][mM][^a-zA-Z0-9]*\([a-zA-Z0-9_]*\)/\1\2subroutine user_main /g' "${ARG}" >> "${TMPFILE}"
     SRCFILE="${TMPFILE}"
     list_add CMDLINE "${SRCFILE}"
 }