diff --git a/dev-libs/ftl/ftl-1.0_p20210308.ebuild b/dev-libs/ftl/ftl-1.0_p20210308.ebuild
index 4cdbc8837f..6981da4921 100644
--- a/dev-libs/ftl/ftl-1.0_p20210308.ebuild
+++ b/dev-libs/ftl/ftl-1.0_p20210308.ebuild
@@ -34,10 +34,33 @@ pkg_setup() {
 src_prepare() {
 	default
 
+	case $(tc-getFC) in
+		*gfortran* )
+			sed -i -e '/gnu)/,/COMPILER =/ s:gfortran:'"$(tc-getFC)"':' \
+			-e '/gnu)/,/^\tFLAGS =/ s:(BUILDDIR):(BUILDDIR) '"${FCFLAGS}"':' \
+			-e '/gnu)/,/CXXCOMPILER =/ s:g++:'"$(tc-getCXX)"':' \
+			-e '/gnu)/,/CXXFLAGS =/ s:CXXFLAGS = .*:CXXFLAGS = '"${CXXFLAGS}"':' \
+			makefile || die
+			;;
+		*ifort* )
+			sed -i -e '/^PLATFORM/ s:gnu:intel:' \
+			-e '/intel)/,/COMPILER =/ s:ifort:'"$(tc-getFC)"':' \
+			-e '/intel)/,/^\tFLAGS =/ s:(BUILDDIR):(BUILDDIR) '"${FCFLAGS}"':' \
+			-e '/intel)/,/CXXCOMPILER =/ s:g++:'"$(tc-getCXX)"':' \
+			-e '/intel)/,/CXXFLAGS =/ s:CXXFLAGS = .*:CXXFLAGS = '"${CXXFLAGS}"':' \
+			makefile || die
+			;;
+		* )
+			die "Sorry, GNU gfortran or Intel ifort are currently supported in the ebuild"
+			;;
+	esac
+
 	# Replase install PREFIX, LIBDIR, add library soname
-	sed -i -e 's:PREFIX ?= /usr/local:PREFIX ?= '"${ED}"'/usr/:' \
+	sed -i -e '/^BUILD ?=/s:debug:release:' \
+		-e 's:PREFIX ?= /usr/local:PREFIX ?= '"${ED}"'/usr/:' \
 		-e 's:(PREFIX)/lib:(PREFIX)/'"$(get_libdir)"':' \
-		-e 's:SOLDFLAGS = -shared:SOLDFLAGS = -shared -Wl,-soname=libftl.so.1 '"${LDFLAGS}"':' makefile || die
+		-e 's:SOLDFLAGS = -shared:SOLDFLAGS = -shared -Wl,-soname=libftl.so.1 '"${LDFLAGS}"':' \
+		makefile || die
 }
 
 src_configure() {
@@ -45,13 +68,7 @@ src_configure() {
 }
 
 src_compile() {
-	emake \
-		BUILD=release \
-		USE_PCRE=$(usex pcre true false) \
-		COMPILER="$(tc-getFC)" \
-		FLAGS="${FCFLAGS}" \
-		CXXCOMPILER="$(tc-getCXX)" \
-		CXXFLAGS="${CXXFLAGS}"
+	emake USE_PCRE=$(usex pcre true false)
 }
 
 src_test() {