From 6d7856809ae4cf2d9685230d2a648ce6e7542d74 Mon Sep 17 00:00:00 2001
From: barracuda156 <vital.had@gmail.com>
Date: Sat, 1 Jun 2024 23:02:45 +0800
Subject: [PATCH] R-rtmpt: fix path to gsl

---
 R/R-rtmpt/Portfile                      |  9 ++++++++-
 R/R-rtmpt/files/patch-fix-gsl-path.diff | 11 +++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 R/R-rtmpt/files/patch-fix-gsl-path.diff

diff --git a/R/R-rtmpt/Portfile b/R/R-rtmpt/Portfile
index 58e7966e51de8..58ed04ce5de01 100644
--- a/R/R-rtmpt/Portfile
+++ b/R/R-rtmpt/Portfile
@@ -4,7 +4,7 @@ PortSystem          1.0
 PortGroup           R 1.0
 
 R.setup             cran raphael.hartmann rtmpt 2.0-1
-revision            2
+revision            3
 categories-append   math
 maintainers         {@barracuda156 gmail.com:vital.had} openmaintainer
 license             GPL-2+
@@ -26,6 +26,13 @@ depends_lib-append  port:gsl \
 # error: 'isnan' was not declared in this scope; did you mean 'std::isnan'?
 patchfiles          patch-fix-math.diff
 
+# Avoid brewisms to ensure correct linking.
+patchfiles-append   patch-fix-gsl-path.diff
+
+post-patch {
+    reinplace "s|@PREFIX@|${prefix}|g" ${worksrcpath}/src/Makevars
+}
+
 depends_test-append port:R-knitr \
                     port:R-rmarkdown
 
diff --git a/R/R-rtmpt/files/patch-fix-gsl-path.diff b/R/R-rtmpt/files/patch-fix-gsl-path.diff
new file mode 100644
index 0000000000000..6cd87452b83d7
--- /dev/null
+++ b/R/R-rtmpt/files/patch-fix-gsl-path.diff
@@ -0,0 +1,11 @@
+--- src/Makevars	2023-12-11 23:53:04.000000000 +0800
++++ src/Makevars	2024-06-01 22:51:53.000000000 +0800
+@@ -1,6 +1,6 @@
+ # copied from sources of R package gsl
+-GSL_CFLAGS = -I/usr/local/include
+-GSL_LIBS   = -L/usr/local/lib -lgsl -lgslcblas
++GSL_CFLAGS = -I@PREFIX@/include
++GSL_LIBS   = -L@PREFIX@/lib -lgsl -lgslcblas
+ 
+ # combine to standard arguments for R
+ PKG_CFLAGS =  $(GSL_CFLAGS)