--- a/applications/fastsum/Makefile.am	2026-09-19 22:53:57.849954511 +0200
+++ b/applications/fastsum/Makefile.am	2026-09-19 22:54:59.329364284 +0200
@@ -33,6 +33,7 @@
   libfastsum_threads_la_LDFLAGS = @fftw3_threads_LDFLAGS@
 if HAVE_OPENMP
   libfastsum_threads_la_CFLAGS = $(OPENMP_CFLAGS)
+  libfastsum_threads_la_LIBADD += -lomp
 endif
 endif
 
--- a/julia/nfft/Makefile.am	2026-09-19 23:01:26.115650984 +0200
+++ b/julia/nfft/Makefile.am	2026-09-19 23:02:12.018210301 +0200
@@ -14,6 +14,9 @@
 endif
 
 libnfftjulia_la_LIBADD = $(top_builddir)/libnfft3@PREC_SUFFIX@_julia.la @fftw3_LDFLAGS@ $(libadd_for_fftw_threads) @fftw3_LIBS@
+if HAVE_OPENMP
+  libnfftjulia_la_CFLAGS = $(OPENMP_CFLAGS)
+endif
 
 libnfftjulia_la_LDFLAGS = -no-undefined -shared -avoid-version @fftw3_LDFLAGS@
 
--- a/configure.ac	2026-09-19 23:26:29.855965100 +0200
+++ b/configure.ac	2026-09-19 23:26:48.348781187 +0200
@@ -314,6 +314,9 @@
 # whether ln -s works
 AC_PROG_LN_S
 
+AC_PROG_EGREP
+AC_PROG_SED
+
 ################################################################################
 # 3rd party libraries
 ################################################################################
--- a/julia/nfct/Makefile.am	2026-09-19 23:31:07.140207466 +0200
+++ b/julia/nfct/Makefile.am	2026-09-19 23:31:59.305688673 +0200
@@ -16,6 +16,9 @@
 libnfctjulia_la_LIBADD = $(top_builddir)/libnfft3@PREC_SUFFIX@_julia.la @fftw3_LDFLAGS@ $(libadd_for_fftw_threads) @fftw3_LIBS@
 
 libnfctjulia_la_LDFLAGS = -no-undefined -shared -avoid-version @fftw3_LDFLAGS@
+if HAVE_OPENMP
+  libnfctjulia_la_CFLAGS = $(OPENMP_CFLAGS)
+endif
 
 EXTRA_DIST = NFCT.jl simple_test_1d.jl simple_test_2d.jl simple_test_3d.jl
 
--- a/julia/nfst/Makefile.am	2026-09-19 23:34:13.229356784 +0200
+++ b/julia/nfst/Makefile.am	2026-09-19 23:35:14.410748329 +0200
@@ -16,6 +16,9 @@
 libnfstjulia_la_LIBADD = $(top_builddir)/libnfft3@PREC_SUFFIX@_julia.la @fftw3_LDFLAGS@ $(libadd_for_fftw_threads) @fftw3_LIBS@
 
 libnfstjulia_la_LDFLAGS = -no-undefined -shared -avoid-version @fftw3_LDFLAGS@
+if HAVE_OPENMP
+libnfstjulia_la_CFLAGS = $(OPENMP_CFLAGS)
+endif
 
 EXTRA_DIST = NFST.jl simple_test_1d.jl simple_test_2d.jl simple_test_3d.jl