diff options
Diffstat (limited to 'common/m4/ax_pd_external.m4')
| -rw-r--r-- | common/m4/ax_pd_external.m4 | 67 |
1 files changed, 54 insertions, 13 deletions
diff --git a/common/m4/ax_pd_external.m4 b/common/m4/ax_pd_external.m4 index 5218936..25864ee 100644 --- a/common/m4/ax_pd_external.m4 +++ b/common/m4/ax_pd_external.m4 @@ -1,15 +1,19 @@ +#-*- Mode: autoconf -*- # # SYNOPSIS # -# TODO: AX_PD_EXTERNAL() +# AX_PD_EARLY() ##-- call this early on +# AX_PD_EXTERNAL() ##-- call this soon-ish +# AX_PD_LATE() ##-- call this after running your own tests # # DESCRIPTION # -# This macro provides tests, options, & flags for building a Pd -# external. +# The AX_PD_EXTERNAL macro provides tests, options, & flags for +# building a Pd external. # -# User flags (should already be set at call time) -# UCFLAGS, UCPPFLAGS, ULDFLAGS +# CAVEATS: +# +# You should call AX_PD_EARLY() before calling AC_PROG_CC() # # Pd directories # AC_ARG_WITH(pd-dir) : default: "\${prefix}/pd" @@ -50,6 +54,12 @@ # PDEXT : platform-specific external extension (without leading ".") # LIBS : additional libs required for building pd externals (win32 only) # +# Flag parsing: +# CFLAGS : has CPPFLAGS filtered out +# CPPFLAGS : has CFLAGS appended and unsafe flags filtered out +# EXTRA_CPPFLAGS : gets "unsafe" user CPPFLAGS appended (quotes etc.) +# AM_CPPFLAGS : gets \${EXTRA_CPPFLAGS} appended (make-side) +# # EXEEXT hacks: # AC_SUBST(pd_buildext) # @@ -67,17 +77,13 @@ # modification, are permitted in any medium without royalty provided # the copyright notice and this notice are preserved. +##============================================================================== AC_DEFUN([AX_PD_EXTERNAL], [ ##vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv ## prerequisites AC_PREREQ(2.5) - ##-- save user's CFLAGS,CPPFLAGS (do this before calling AX_PD_EXTERNAL!) - #test -z "$UCPPFLAGS" && UCPPFLAGS="$CPPFLAGS" - #test -z "$UCFLAGS" && UCFLAGS="$CFLAGS" - #test -z "$ULDFLAGS" && ULDFLAGS="$LDFLAGS" - ##-- Programs, prefix AC_PROG_CC AC_PROG_INSTALL @@ -371,11 +377,46 @@ AC_DEFUN([AX_PD_EXTERNAL], AC_SUBST(PDEXT_OFLAGS) AC_SUBST(PDEXT_WFLAGS) - ##-- add defaults to user flags + ## END platform-dependent variables + ##^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +]) + +##============================================================================== +AC_DEFUN([AX_PD_EARLY], +[ + ##-- parse user's CFLAGS,CPPFLAGS + dnl AC_MSG_NOTICE([parsing user *FLAGS]) + dnl AC_MSG_NOTICE([(input) CFLAGS=$CFLAGS]) + dnl AC_MSG_NOTICE([(input) CPPFLAGS=$CPPFLAGS]) + + AX_DISTRIBUTE_CFLAGS([$CFLAGS],CPPFLAGS,cflags) + AX_SAFE_CFLAGS([$CPPFLAGS],cppflags,EXTRA_CPPFLAGS) + CFLAGS="$cflags" + CPPFLAGS="$cppflags" + + dnl AC_MSG_NOTICE([(output) CFLAGS=$CFLAGS]) + dnl AC_MSG_NOTICE([(output) CPPFLAGS=$CPPFLAGS]) + dnl AC_MSG_NOTICE([(output) EXTRA_CPPFLAGS=$EXTRA_CPPFLAGS]) + AM_CPPFLAGS="\${EXTRA_CPPFLAGS}" + AC_SUBST(EXTRA_CPPFLAGS) + AC_SUBST(AM_CPPFLAGS) + + ##-- save (hacked) user's CFLAGS,CPPFLAGS + UCPPFLAGS="$CPPFLAGS" + UCFLAGS="$CFLAGS" + ULDFLAGS="$LDFLAGS" +]) + +##============================================================================== +AC_DEFUN([AX_PD_LATE], +[ + ##-- add platform defaults to user flags CPPFLAGS="$UCPPFLAGS $PDEXT_IFLAGS $PDEXT_DFLAGS" CFLAGS="$UCFLAGS $PDEXT_OFLAGS $PDEXT_AFLAGS $PDEXT_WFLAGS" LDFLAGS="$ULDFLAGS $PDEXT_LFLAGS" - ## END platform-dependent variables - ##^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + AC_MSG_NOTICE([set CPPFLAGS="$CPPFLAGS"]) + AC_MSG_NOTICE([set EXTRA_CPPFLAGS="$EXTRA_CPPFLAGS"]) + AC_MSG_NOTICE([set CFLAGS="$CFLAGS]) + AC_MSG_NOTICE([set LDFLAGS="$LDFLAGS"]) ]) |