260207.230319.CET [skip ci] update Makefile.common to use command -v to show the full path of the compilers

Author: zaikunzhang

fortran/tests/makefiles/Makefile.common

@@ -374,7 +374,7 @@ dtest_i2_r16_d1_tst_c dtest_i4_r16_d1_tst_c dtest_i8_r16_d1_tst_c dtest_i2_r16_d
 	FCF := $(DFORT) -ffp-exception-behavior=strict $(DFF)
 
 # AMD AOMP Flang
-MFORT := amdflang
+MFORT := $(shell command -v amdflang)
 MFORT := $(MFORT) -fimplicit-none -Werror
 ifeq ($(TESTDIM),small)
 	MFORT := $(MFORT) -fstack-arrays
@@ -409,13 +409,9 @@ mtest_i2_r16_d1_tst_c mtest_i4_r16_d1_tst_c mtest_i8_r16_d1_tst_c mtest_i2_r16_d
 	FCF := $(MFORT) $(MFF)
 
 # LLVM Flang
-# We must define FFORT as follows, because AOCC will also provide "flang", except that it is
-# located under /opt/AMD.
-#FFORT := $(shell find -L /usr/bin /usr/local/bin ${HOME}/local ${HOME}/.local ${HOME}/tmp /tmp -type f -name flang -exec test -x {} \; -print 2>/dev/null | sort | tail -n 1)
-#FFINC := $(shell dirname $$(dirname $(FFORT) 2>/dev/null) 2>/dev/null)/include
-#FFLIB := $(shell dirname $$(dirname $(FFORT) 2>/dev/null) 2>/dev/null)/lib
-#FFORT := $(FFORT) -I$(FFINC) -L$(FFLIB)
-FFORT := $(shell command -v flang) -fimplicit-none -Werror
+# Note that AOMP and AOCC will also provide "flang". Make sure the correct one is being called.
+FFORT := $(shell command -v flang)
+FFORT := $(FFORT) -fimplicit-none -Werror
 
 ifeq ($(TESTDIM),small)
 	FFORT := $(FFORT) -fstack-arrays
@@ -464,7 +460,7 @@ ftest_i2_r16_d1_tst_c ftest_i4_r16_d1_tst_c ftest_i8_r16_d1_tst_c ftest_i2_r16_d
 # with a leading 0 are interpreted as octal (base-8) numbers within double brackets.
 # see https://stackoverflow.com/questions/24777597/value-too-great-for-base-error-token-is-08
 #GFORT := gfortran -pg  # Compile for profiling with the gprof profiler. Does not work with macOS on GitHub Actions due to missing gcrt1.o
-GFORT := gfortran
+GFORT := $(shell command -v gfortran)
 GFSTD := $(shell  [[ $$(($(GFORT) -dumpversion 2>/dev/null || echo 0) | sed 's|\..*||') -gt 8 ]] && ([ $(FS) -lt 18 ] && echo -std=f2018 || echo -std=f20$(FS)) || echo "")
 # 1. gfortran 7 raises a false positive warning regarding "maybe-uninitialized" of allocatable arrays.
 # See https://stackoverflow.com/questions/56261880/fortran-re-allocation-on-assignment-and-gfortran-warnings
@@ -536,7 +532,7 @@ gtest_i2_r16_d1_tst_c gtest_i4_r16_d1_tst_c gtest_i8_r16_d1_tst_c gtest_i2_r16_d
 # noold_ldout_format, noold_ldout_zero, noold_maxminloc, noold_unit_star, noold_xor,
 # protect_parens, realloc_lhs1, recursion, std_intent_in, std_minus0_rounding1, std_mod_proc_name,
 # and std_value1.
-IFORT := ifort #-stand f$(FS)
+IFORT := $(shell command -v ifort)
 IFORT := $(IFORT) -diag-disable=10448  # Ignore the warning about the deprecation of ifort
 IFORT := $(IFORT) -warn all -debug extended -warn errors -traceback -debug-parameters all #-diag-error-limit 1
 # `-auto` causes all local, non-SAVEd variables to be allocated to the run-time stack.
@@ -580,7 +576,7 @@ itest_i2_r16_d1_tst_c itest_i4_r16_d1_tst_c itest_i8_r16_d1_tst_c itest_i2_r16_d
 # NAG nagfor
 # In massive tests, we skip the useful -mtrace option (print memory allocation trace), as its output is enormous.
 # It is necessary to use "-I$(TESTSUITE_DIR)"; otherwise, the INCLUDE lines in the test suite will not work.
-NFORT := nagfor
+NFORT := $(shell command -v nagfor)
 NFORT := $(NFORT) -fpp  # As of nagfor 7.1, -fpp is needed on macOS and Windows, but not on Linux.
 NFORT := $(NFORT) -I$(TESTSUITE_DIR)
 NFORT := $(NFORT) -colour=error:red,warn:magenta,info:cyan
@@ -683,7 +679,7 @@ rtest_i2_r16_d1_tst_c rtest_i4_r16_d1_tst_c rtest_i8_r16_d1_tst_c rtest_i2_r16_d
 
 
 # Oracle sunf95
-SFORT := sunf95
+SFORT := $(shell command -v sunf95)
 ifeq ($(TESTDIM),small)
 	SFORT := $(SFORT) -stackvar  # Force all automatic arrays to be on the stack to test whether stack overflow can occur
 endif
@@ -714,7 +710,7 @@ stest_i2_r16_d1_tst_c stest_i4_r16_d1_tst_c stest_i8_r16_d1_tst_c stest_i2_r16_d
 	FCF := $(SFORT) -fnonstd $(SFF16) -ftrap=overflow,division
 
 # Intel ifx
-XFORT := ifx #-stand f$(FS)
+XFORT := $(shell command -v ifx)  #-stand f$(FS)
 XFORT := $(XFORT) -warn all -debug full -warn errors -traceback -debug-parameters all #-diag-error-limit 1
 # `-auto` causes all local, non-SAVEd variables to be allocated to the run-time stack.
 # `-no-heap-arrays`, which is the default for `ifort`, causes the compiler puts automatic arrays
@@ -760,8 +756,8 @@ xtest_i2_r16_d1_tst_c xtest_i4_r16_d1_tst_c xtest_i8_r16_d1_tst_c xtest_i2_r16_d
 
 
 # G95
+9FORT := $(shell command -v g95)
 # G95 supports f2003, but not higher.
-9FORT := g95
 9FORT := $(9FORT) -std=f2003 -pedantic -Wall -Wextra \
 	-Werror=100,113,115,137,146,147,159,163 \
 	-Wimplicit-none -Wline-truncation -Wprecision-loss -Wunused-module-vars -Wunused-vars -Wunset-vars \

matlab/mex_gateways/tests/makefiles/Makefile.common

@@ -225,7 +225,8 @@ dtest_i2_r16_d1_tst dtest_i4_r16_d1_tst dtest_i8_r16_d1_tst dtest_i2_r16_d0_tst
 	FC2 := $(DFORT) $(FFLAGS2) -ffp-exception-behavior=strict
 
 # AMD AOMP Flang
-MFORT := amdflang -fimplicit-none -Werror
+MFORT := $(shell command -v amdflang)
+MFORT := $(MFORT) -fimplicit-none -Werror
 
 mtest_i2_r4_d1_tst mtest_i4_r4_d1_tst mtest_i8_r4_d1_tst mtest_i2_r4_d0_tst mtest_i4_r4_d0_tst mtest_i8_r4_d0_tst: \
 	FC1 := $(MFORT) $(FFLAGS1)
@@ -243,9 +244,7 @@ mtest_i2_r16_d1_tst mtest_i4_r16_d1_tst mtest_i8_r16_d1_tst mtest_i2_r16_d0_tst
 	FC2 := $(MFORT) $(FFLAGS2)
 
 # LLVM Flang
-FFORT := $(shell find -L /usr/bin /usr/local/bin ${HOME}/local ${HOME}/.local ${HOME}/tmp /tmp -type f -name flang -exec test -x {} \; -print 2>/dev/null | sort | tail -n 1)
-FFINC := $(shell dirname $$(dirname $(FFORT) 2>/dev/null) 2>/dev/null)/include
-FFLIB := $(shell dirname $$(dirname $(FFORT) 2>/dev/null) 2>/dev/null)/lib
+FFORT := $(shell command -v flang)
 FFORT := $(FFORT) -fimplicit-none -Werror
 # -std or -pedantic does not work due to the non-standard code in the MEX API provided by MathWorks
 #FFORT := $(FFORT) -std=f2018 -pedantic
@@ -269,7 +268,7 @@ ftest_i2_r16_d1_tst ftest_i4_r16_d1_tst ftest_i8_r16_d1_tst ftest_i2_r16_d0_tst
 # In the debug mode, our code includes the BACKTRACE function if the compiler is gfortran. This
 # makes the code not standard-conforming. So -std=f$(FSTD) is excluded for the following options.
 # As of 2022, -Wextra implies -Wcompare-reals, -Wunused-parameter, and -Wdo-subscript.
-GFORT := gfortran
+GFORT := $(shell command -v gfortran)
 GFORT := $(GFORT) -Wall -Wextra -pedantic -fmax-errors=1 -Wampersand -Wconversion  -Wuninitialized \
 	-Wmaybe-uninitialized -Wsurprising -Waliasing  -Wimplicit-interface -Wimplicit-procedure \
 	-Wintrinsics-std -Wunderflow -Wuse-without-only -Wunused-parameter \
@@ -305,7 +304,7 @@ gtest_i2_r16_d1_tst gtest_i4_r16_d1_tst gtest_i8_r16_d1_tst gtest_i2_r16_d0_tst
 #  We impose -assume norecursion, because -standard-semantics will enable -assume recursion, which
 #  will cause a warning; due to -warn errors, the compilation will abort. See
 #  https://www.intel.com/content/www/us/en/develop/documentation/fortran-compiler-oneapi-dev-guide-and-reference/top/language-reference/a-to-z-reference/q-to-r/recursive-and-non-recursive.html
-IFORT := ifort
+IFORT := $(shell command -v ifort)
 #IFORT := $(IFORT) -diag-error-limit 1
 IFORT := $(IFORT) -diag-disable=10448  # Ignore the warning about the deprecation of ifort
 IFORT := $(IFORT) -stand f95 -standard-semantics -assume norecursion -warn all -debug extended \
@@ -329,7 +328,7 @@ itest_i2_r16_d1_tst itest_i4_r16_d1_tst itest_i8_r16_d1_tst itest_i2_r16_d0_tst
 # NAG nagfor
 # In massive tests, we skip the useful -mtrace option (print memory allocation trace), as its output is enormous.
 # It is necessary to use "-I $(TESTSUITE_DIR)"; otherwise, the INCLUDE lines in the test suite will not work.
-NFORT := nagfor
+NFORT := $(shell command -v nagfor)
 NFORT := $(NFORT) -colour=error:red,warn:magenta,info:cyan
 NFORT := $(NFORT) -f$(FSTD) -info -gline -u -C -C=alias -C=dangling -C=intovf -kind=unique \
 	-Warn=constant_coindexing -Warn=subnormal #-Warn=allocation
@@ -373,7 +372,7 @@ vtest_i2_r16_d1_tst vtest_i4_r16_d1_tst vtest_i8_r16_d1_tst vtest_i2_r16_d0_tst
 	FC2 := $(VFORT) $(FFLAGS2) -Kieee -Ktrap=divz,ovf,inv#,unf,denorm
 
 # Oracle sunf95
-SFORT := sunf95
+SFORT := $(shell command -v sunf95)
 SFORT := $(SFORT) -w3 -u -U -ansi -xcheck=%all -C
 
 stest_i2_r4_d1_tst stest_i4_r4_d1_tst stest_i8_r4_d1_tst stest_i2_r4_d0_tst stest_i4_r4_d0_tst stest_i8_r4_d0_tst: \
@@ -392,7 +391,7 @@ stest_i2_r16_d1_tst stest_i4_r16_d1_tst stest_i8_r16_d1_tst stest_i2_r16_d0_tst
 	FC2 := $(SFORT) $(FFLAGS2) -fnonstd -ftrap=overflow,division,invalid#,underflow
 
 # Intel ifx
-XFORT := ifx
+XFORT := $(shell command -v ifx)
 #XFORT := $(XFORT) -diag-error-limit 1
 XFORT := $(XFORT) -stand f$(FS) -warn all -debug full -traceback -debug-parameters all
 
@@ -413,7 +412,7 @@ xtest_i2_r16_d1_tst xtest_i4_r16_d1_tst xtest_i8_r16_d1_tst xtest_i2_r16_d0_tst
 
 # G95
 # The compilation of MEX gateways will fail if -std is imposed.
-9FORT := g95
+9FORT := $(shell command -v g95)
 9FORT := $(9FORT) -pedantic -Wall -Wextra \
 	-Werror=100,113,115,137,146,147,159,163 \
 	-Wimplicit-none -Wline-truncation -Wprecision-loss -Wunused-module-vars -Wunused-vars -Wunset-vars \