diff --git a/easybuild/easyconfigs/r/R/R-3.6.2-foss-2019b.eb b/easybuild/easyconfigs/r/R/R-3.6.2-foss-2019b.eb
index fe37f3a49bf..cf93f09b683 100644
--- a/easybuild/easyconfigs/r/R/R-3.6.2-foss-2019b.eb
+++ b/easybuild/easyconfigs/r/R/R-3.6.2-foss-2019b.eb
@@ -9,7 +9,13 @@ toolchain = {'name': 'foss', 'version': '2019b'}
 
 source_urls = ['https://cloud.r-project.org/src/base/R-%(version_major)s']
 sources = [SOURCE_TAR_GZ]
-checksums = ['bd65a45cddfb88f37370fbcee4ac8dd3f1aebeebe47c2f968fd9770ba2bbc954']
+patches = [
+    '%(name)s-%(version)s_base_ppc64le.patch',
+]
+checksums = [
+    'bd65a45cddfb88f37370fbcee4ac8dd3f1aebeebe47c2f968fd9770ba2bbc954',  # R-3.6.2.tar.gz
+    '905b632f391bf0ccc9f326c54914a03dfb9eb3ef7bc6865e7fd5c2f2eb733f93',  # R-3.6.2_base_ppc64le.patch
+]
 
 builddependencies = [
     ('pkg-config', '0.29.2'),
@@ -243,6 +249,7 @@ exts_list = [
         'checksums': ['faa25754b757fe483b876f5d07b73f76f69a1baa971420892fadec4af4bbad21'],
     }),
     ('cubature', '2.0.4', {
+        'update_config_guess': True,
         'checksums': ['d97ce5eaac5e43910208e8274ddf6ff4f974d05688f0247ebccd807e24c2fe4a'],
     }),
     ('DEoptimR', '1.0-8', {
@@ -2098,9 +2105,6 @@ exts_list = [
     ('asnipe', '1.1.12', {
         'checksums': ['3a1f166f1c71b5877a2acca1384ec6c9b430b67af67ef26125f2abbb53c66206'],
     }),
-    ('liquidSVM', '1.2.4', {
-        'checksums': ['15a9c7f2930e2ed3f4c5bcd9b042884ea580d2b2e52e1c68041600c196046aba'],
-    }),
     ('oddsratio', '2.0.0', {
         'checksums': ['89bf3c68a6ded6a98f4ee8d487c29605ad00ac5f8db9b8bf1a52144e65332553'],
     }),
diff --git a/easybuild/easyconfigs/r/R/R-3.6.2-fosscuda-2019b.eb b/easybuild/easyconfigs/r/R/R-3.6.2-fosscuda-2019b.eb
index 6da4bb2e18c..58b3cdfc0cf 100644
--- a/easybuild/easyconfigs/r/R/R-3.6.2-fosscuda-2019b.eb
+++ b/easybuild/easyconfigs/r/R/R-3.6.2-fosscuda-2019b.eb
@@ -9,7 +9,13 @@ toolchain = {'name': 'fosscuda', 'version': '2019b'}
 
 source_urls = ['https://cloud.r-project.org/src/base/R-%(version_major)s']
 sources = [SOURCE_TAR_GZ]
-checksums = ['bd65a45cddfb88f37370fbcee4ac8dd3f1aebeebe47c2f968fd9770ba2bbc954']
+patches = [
+    '%(name)s-%(version)s_base_ppc64le.patch',
+]
+checksums = [
+    'bd65a45cddfb88f37370fbcee4ac8dd3f1aebeebe47c2f968fd9770ba2bbc954',  # R-3.6.2.tar.gz
+    '905b632f391bf0ccc9f326c54914a03dfb9eb3ef7bc6865e7fd5c2f2eb733f93',  # R-3.6.2_base_ppc64le.patch
+]
 
 builddependencies = [
     ('pkg-config', '0.29.2'),
@@ -244,6 +250,7 @@ exts_list = [
         'checksums': ['faa25754b757fe483b876f5d07b73f76f69a1baa971420892fadec4af4bbad21'],
     }),
     ('cubature', '2.0.4', {
+        'update_config_guess': True,
         'checksums': ['d97ce5eaac5e43910208e8274ddf6ff4f974d05688f0247ebccd807e24c2fe4a'],
     }),
     ('DEoptimR', '1.0-8', {
@@ -2099,9 +2106,6 @@ exts_list = [
     ('asnipe', '1.1.12', {
         'checksums': ['3a1f166f1c71b5877a2acca1384ec6c9b430b67af67ef26125f2abbb53c66206'],
     }),
-    ('liquidSVM', '1.2.4', {
-        'checksums': ['15a9c7f2930e2ed3f4c5bcd9b042884ea580d2b2e52e1c68041600c196046aba'],
-    }),
     ('oddsratio', '2.0.0', {
         'checksums': ['89bf3c68a6ded6a98f4ee8d487c29605ad00ac5f8db9b8bf1a52144e65332553'],
     }),
diff --git a/easybuild/easyconfigs/r/R/R-3.6.2_base_ppc64le.patch b/easybuild/easyconfigs/r/R/R-3.6.2_base_ppc64le.patch
new file mode 100644
index 00000000000..02a4035175d
--- /dev/null
+++ b/easybuild/easyconfigs/r/R/R-3.6.2_base_ppc64le.patch
@@ -0,0 +1,19 @@
+Index: src/main/arithmetic.c
+===================================================================
+--- src/main/arithmetic.c    (Revision 77583)
++++ src/main/arithmetic.c    (Arbeitskopie)
+@@ -176,8 +176,14 @@
+ #endif
+ }
+
++
+ #if HAVE_LONG_DOUBLE && (SIZEOF_LONG_DOUBLE > SIZEOF_DOUBLE)
++# ifdef __PPC64__
++ // PowerPC 64 (when gcc has -mlong-double-128) breaks here ...
++#  define q_1_eps (1 / LDBL_EPSILON)
++# else
+ static LDOUBLE q_1_eps = 1 / LDBL_EPSILON;
++# endif
+ #else
+ static double  q_1_eps = 1 / DBL_EPSILON;
+ #endif