From f92933513de270f43b111d4983fe2b592b4aadaa Mon Sep 17 00:00:00 2001
From: dholland <dholland@pkgsrc.org>
Date: Fri, 31 May 2019 08:36:12 +0000
Subject: Replace mpfr's builtin.mk. The old one was abusive and wrong.

Thanks to Joern Clausen for testing this one (something like a year ago...)

Relevant to (at least) PR 52250 and PR 52244.
---
 math/mpfr/builtin.mk | 71 +++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 65 insertions(+), 6 deletions(-)

(limited to 'math')

diff --git a/math/mpfr/builtin.mk b/math/mpfr/builtin.mk
index 7bacb6931e6..bb610e242c4 100644
--- a/math/mpfr/builtin.mk
+++ b/math/mpfr/builtin.mk
@@ -1,17 +1,76 @@
-# $NetBSD: builtin.mk,v 1.3 2011/09/14 17:18:29 hans Exp $
+# $NetBSD: builtin.mk,v 1.4 2019/05/31 08:36:12 dholland Exp $
 
 BUILTIN_PKG:=	mpfr
 
-PKGCONFIG_FILE.mpfr=	/usr/include/mpfr.h /usr/include/mpfr/mpfr.h
-PKGCONFIG_BASE.mpfr=	/usr
+BUILTIN_FIND_HEADERS_VAR:=	H_MPFR
+BUILTIN_FIND_HEADERS.H_MPFR=	mpfr.h mpfr/mpfr.h
 
 BUILTIN_VERSION_SCRIPT.mpfr= ${AWK} \
 	'/\#define[ \t]*MPFR_VERSION_STRING[ \t]/ { \
 	v = substr($$3, 2, length($$3)-2) } \
 	END { gsub("-p",".",v); print v }'
 
-.include "../../mk/buildlink3/pkgconfig-builtin.mk"
+.include "../../mk/buildlink3/bsd.builtin.mk"
 
-.if !empty(USE_BUILTIN.mpfr:M[Yy][Ee][Ss])
-CONFIGURE_ARGS+=	--with-mpfr-include=${FIND_FILES_mpfr:S/\/mpfr.h//}
+###
+### Determine if there is a built-in implementation of the package and
+### set IS_BUILTIN.<pkg> appropriately ("yes" or "no").
+###
+.if !defined(IS_BUILTIN.mpfr)
+IS_BUILTIN.mpfr=	no
+.  if empty(H_MPFR:M__nonexistent__) && empty(H_MPFR:M${LOCALBASE}/*)
+IS_BUILTIN.mpfr=	yes
+.  endif
 .endif
+MAKEVARS+=	IS_BUILTIN.mpfr
+
+###
+### If there is a built-in implementation, then set BUILTIN_PKG.<pkg> to
+### a package name to represent the built-in package.
+###
+.if !defined(BUILTIN_PKG.mpfr) && \
+    !empty(IS_BUILTIN.mpfr:M[yY][eE][sS]) && \
+    empty(H_MPFR:M__nonexistent__)
+BUILTIN_VERSION.mpfr!=	${BUILTIN_VERSION_SCRIPT.mpfr} ${H_MPFR}
+BUILTIN_PKG.mpfr=	mpfr-${BUILTIN_VERSION.mpfr}
+.endif
+MAKEVARS+=	BUILTIN_PKG.mpfr
+
+###
+### Determine whether we should use the built-in implementation if it
+### exists, and set USE_BUILTIN.<pkg> appropriate ("yes" or "no").
+###
+.if !defined(USE_BUILTIN.mpfr)
+.  if ${PREFER.mpfr} == "pkgsrc"
+USE_BUILTIN.mpfr=	no
+.  else
+USE_BUILTIN.mpfr=	${IS_BUILTIN.mpfr}
+.    if defined(BUILTIN_PKG.mpfr) && !empty(IS_BUILTIN.mpfr:M[yY][eE][sS])
+USE_BUILTIN.mpfr=	yes
+.      for _dep_ in ${BUILDLINK_API_DEPENDS.mpfr}
+.        if !empty(USE_BUILTIN.mpfr:M[yY][eE][sS])
+USE_BUILTIN.mpfr!=	\
+        if ${PKG_ADMIN} pmatch ${_dep_:Q} ${BUILTIN_PKG.mpfr:Q}; then	\
+		${ECHO} yes;						\
+        else								\
+		${ECHO} no;						\
+        fi
+.        endif
+.      endfor
+.    endif
+.  endif  # PREFER.mpfr
+.endif
+MAKEVARS+=	USE_BUILTIN.mpfr
+
+CHECK_BUILTIN.mpfr?=	no
+.if !empty(CHECK_BUILTIN.mpfr:M[Nn][Oo])
+.  if !empty(USE_BUILTIN.mpfr:M[Yy][Ee][Ss])
+MPFR_INCLUDE=		${H_MPFR:H}
+CONFIGURE_ARGS+=	--with-mpfr-include=${MPFR_INCLUDE}
+BUILDLINK_INCDIRS.mpfr=	${MPFR_INCLUDE}
+CONFIGURE_ARGS+=	--with-mpfr-lib=${BUILDLINK_PREFIX.mpfr}/lib${LIBABISUFFIX}
+BUILDLINK_LIBDIRS.mpfr=	lib${LIBABISUFFIX}
+CPPFLAGS+=		-I${MPFR_INCLUDE}
+CFLAGS+=		-I${MPFR_INCLUDE}
+.  endif
+.endif # CHECK_BUILTIN.mpfr
-- 
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