From 9f7c1a9b5ecea325f782acd0997da39a3392917e Mon Sep 17 00:00:00 2001
From: Giovanni La Mura <giovanni.lamura@inaf.it>
Date: Wed, 18 Dec 2024 17:20:54 +0100
Subject: [PATCH] Re-introduce definition of with-fflags configuration option

---
 build/configure.sh | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/build/configure.sh b/build/configure.sh
index 97545f0f..11c6a11a 100755
--- a/build/configure.sh
+++ b/build/configure.sh
@@ -10,6 +10,7 @@ DEBUGFLAGS=""
 ENABLE_ILP64="yes"
 FC_OPT=3
 FC_DBG=" -ggdb"
+FFLAGS=""
 LAPACK="auto"
 LIBMODE="static"
 MAGMA="auto"
@@ -83,11 +84,13 @@ function print_help {
     echo "--enable-shared           Use shared libraries (default is static).       "
     echo "--help                    Print this help and exit.                       "
     echo "--with-cublas             Use cuBLAS (DEFAULT).                           "
+    echo "--without-cublas          Disable cuBLAS.                                 "
+    echo "--with-fflags=FFLAGS      Use specified FORTRAN compiler flags instead of "
+    echo "                          detected ones.                                  "
     echo "--with-hdf5=HDF5_PATH     Use specified HDF5 distribution.                "
     echo "--with-lapack             Use LAPACK (DEFAULT).                           "
-    echo "--with-magma=[MAGMA]      Use specified MAGMA distribution (DEFAULT).     "
-    echo "--without-cublas          Disable cuBLAS.                                 "
     echo "--without-lapack          Disable LAPACK.                                 "
+    echo "--with-magma=[MAGMA]      Use specified MAGMA distribution (DEFAULT).     "
     echo "--without-magma           Disable MAGMA.                                  "
     echo "                                                                          "
     echo "Some influential environment variables are:                               "
@@ -178,6 +181,11 @@ do
 	CUBLAS="yes"
     elif [ "x$cut_arg" = "x--without-cublas" ]; then
 	CUBLAS="no"
+    elif [ "x$cut_arg" = "x--with-fflags" ]; then
+	custom_flags=$(echo $arg | cut -d '=' -f2)
+	if [ "x$custom_flags" != "x" ]; then
+	    FFLAGS=$custom_flags
+	fi
     elif [ "x$cut_arg" = "x--with-hdf5" ]; then
 	HDF5_HOME=$(echo $arg | cut -d '=' -f2)
 	if [ "x${HDF5_HOME}" = "x" ]; then
@@ -186,11 +194,6 @@ do
 	fi
     elif [ "x$cut_arg" = "x--with-lapack" ]; then
 	LAPACK="yes"
-	#LAPACKHOME=$(echo $arg | cut -d '=' -f2)
-	#if [ "x$LAPACKHOME" != "x" ]; then
-	#    LAPACK_INCLUDE="$LAPACKHOME/include"
-	#    LAPACK_LIB="$LAPACKHOME/lib"
-	#fi
     elif [ "x$cut_arg" = "x--without-lapack" ]; then
 	LAPACK="no"
     elif [ "x$cut_arg" = "x--with-magma" ]; then
@@ -764,6 +767,10 @@ if [ "x$CXXLDFLAGS" = "x" ]; then
 	CXXLDFLAGS="-Llibnptm -lnptm ${HDF5LDFLAGS} ${LAPACKLDFLAGS}${CUBLASLDFLAGS}${MAGMALDFLAGS}"
     fi
 fi
+
+if [ "x$FFLAGS" != "x" ]; then
+    FCFLAGS=$FFLAGS
+fi
 # End of configuration logic
 
 # Print a summary of configuration options
-- 
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