Support different Fortran compilers

The resulting package is called ftimings-$(FTIMINGS_API_VERSION)-$(FC)

.gitignore

@@ -25,6 +25,6 @@ ltmain.sh
 m4/
 missing
 stamp-h1
-ftimings-*.pc
-ftimings_test
+ftimings-*-*.pc
+ftimings_*_test
 ftimings.mod

Makefile.am

 AUTOMAKE_OPTIONS = subdir-objects
 ACLOCAL_AMFLAGS = ${ACLOCAL_FLAGS} -I m4
-AM_CFLAGS = -DPACKAGE_FILESDIR=\"$(filesdir)\" \
-	-O2 --pedantic-error -ansi -Wall --std=gnu99 \
-	$(GSL_CFLAGS) $(CFLAG_VISIBILITY)
+AM_CFLAGS = @AM_CFLAGS@
+AM_LDFLAGS = -L$(libdir) -Wl,-rpath -Wl,$(libdir) @AM_LDFLAGS@
 
 # libraries
-lib_LTLIBRARIES = libftimings-@FTIMINGS_API_VERSION@.la
+lib_LTLIBRARIES = libftimings-@FTIMINGS_API_VERSION@-@FC@.la
 
 # libftimings
-libftimings_@FTIMINGS_API_VERSION@_la_SOURCES = \
+libftimings_@FTIMINGS_API_VERSION@_@FC@_la_SOURCES = \
 	ftimings/time.c \
 	ftimings/ftimings.f90
-libftimings_@FTIMINGS_API_VERSION@_la_LDFLAGS = -version-info $(FTIMINGS_SO_VERSION)
+libftimings_@FTIMINGS_API_VERSION@_@FC@_la_LDFLAGS = -version-info $(FTIMINGS_SO_VERSION)
 
-ftimings_includedir = $(includedir)/ftimings-$(FTIMINGS_API_VERSION)
+ftimings_includedir = $(includedir)/ftimings-$(FTIMINGS_API_VERSION)-$(FC)
 nobase_ftimings_include_HEADERS = ftimings.mod
-ftimings_libincludedir = $(libdir)/ftimings-$(FTIMINGS_API_VERSION)/include
+ftimings_libincludedir = $(libdir)/ftimings-$(FTIMINGS_API_VERSION)-$(FC)/include
 
 pkgconfigdir = $(libdir)/pkgconfig
-pkgconfig_DATA = ftimings-$(FTIMINGS_API_VERSION).pc
+pkgconfig_DATA = ftimings-$(FTIMINGS_API_VERSION)-$(FC).pc
 
 # programs
-bin_PROGRAMS = ftimings_test
+bin_PROGRAMS = ftimings_@FC@_test
 
 # test
-ftimings_test_SOURCES = test/test_timings.F90
-ftimings_test_LDADD = libftimings-@FTIMINGS_API_VERSION@.la
+ftimings_@FC@_test_SOURCES = test/test_timings.F90
+ftimings_@FC@_test_LDADD = libftimings-@FTIMINGS_API_VERSION@-@FC@.la
+
+# other files to distribute
+filesdir = $(datadir)/@PACKAGE@-@FC@/examples
+files_DATA = test/test_timings.F90

configure.ac

-AC_INIT([libftimings], [0.1])
+AC_INIT([ftimings], [0.1])
 AC_PREREQ([2.59])
 AC_CONFIG_MACRO_DIR([m4])
 
@@ -18,8 +18,10 @@ PKG_PROG_PKG_CONFIG
 
 AC_SUBST([FTIMINGS_SO_VERSION], [0:1:0])
 AC_SUBST([FTIMINGS_API_VERSION], [0.1])
+AC_SUBST([AM_CFLAGS])
+AC_SUBST([AM_LDFLAGS])
 
 AC_CONFIG_FILES([Makefile
-		 ftimings-${FTIMINGS_API_VERSION}.pc:ftimings.pc.in
+		 ftimings-${FTIMINGS_API_VERSION}-${FC}.pc:ftimings.pc.in
 		 ])
 AC_OUTPUT

ftimings.pc.in

@@ -7,5 +7,5 @@ Name: @PACKAGE_NAME@
 Description: FTIMINGS
 Version: @PACKAGE_VERSION@
 URL: @PACKAGE_URL@
-Libs: -L${libdir} -lftimings-@FTIMINGS_API_VERSION@
-fcflags= -I${includedir}/ftimings-@FTIMINGS_API_VERSION@
+Libs: -L${libdir} -lftimings-@FTIMINGS_API_VERSION@-@FC@
+fcflags= -I${includedir}/ftimings-@FTIMINGS_API_VERSION@-@FC@