Add a new variable: GNUMAKEFLAGS

This allows you to write portable makefiles that set GNU make-specific command
line options in the environment or makefile: add them to GNUMAKEFLAGS instead
of MAKEFLAGS and they will be seen by GNU make but ignored by other
implementations of make.

1 files changed, 3 insertions, 0 deletions

diff --git a/main.c b/main.c
index f3c4a3d..8eed56d 100644
--- a/main.c
+++ b/main.c
@@ -1339,7 +1339,9 @@ main (int argc, char **argv, char **envp)
 
   /* Decode the switches.  */
 
+  decode_env_switches (STRING_SIZE_TUPLE ("GNUMAKEFLAGS"));
   decode_env_switches (STRING_SIZE_TUPLE ("MAKEFLAGS"));
+
 #if 0
   /* People write things like:
         MFLAGS="CC=gcc -pipe" "CFLAGS=-g"
@@ -1766,6 +1768,7 @@ main (int argc, char **argv, char **envp)
 #endif /* __MSDOS__ || __EMX__ */
 
   /* Decode switches again, in case the variables were set by the makefile.  */
+  decode_env_switches (STRING_SIZE_TUPLE ("GNUMAKEFLAGS"));
   decode_env_switches (STRING_SIZE_TUPLE ("MAKEFLAGS"));
 #if 0
   decode_env_switches (STRING_SIZE_TUPLE ("MFLAGS"));