Fossil SCM

Bring the configure/build Emscripten support in sync with its counterpart in the sqlite tree.

stephan 2025-01-31 12:13 trunk
Commit a3843d419d3c101f16258b4d1c0e2ce22b951be25c165d302c5d13eaff52b665
Parent f020f4568157c59…
2 files changed +74 -29 +23 -17
~ auto.def ~ tools/emcc.sh.in
M auto.def
+74 -29
--- auto.def
+++ auto.def
@@ -706,37 +706,10 @@
706706
 $tclconfig(TCL_LD_FLAGS)]
707707
 define-append EXTRA_LDFLAGS $tclconfig(TCL_LD_FLAGS)
708708
 define FOSSIL_ENABLE_TCL
709709
 }
710710
711
-# Emscripten is a purely optional component used only for doing
712
-# in-tree builds of WASM stuff, as opposed to WASM binaries we import
713
-# from other places. This is only set up for Unix-style OSes and is
714
-# untested anywhere but Linux.
715
-set emsdkHome [opt-val with-emsdk]
716
-define EMSDK_HOME ""
717
-define EMSDK_ENV ""
718
-define EMCC_OPT "-Oz"
719
-if {$emsdkHome eq "" && [info exists ::env(EMSDK)]} {
720
- # Fall back to checking the environment. $EMSDK gets set
721
- # by sourcing emsdk_env.sh.
722
- set emsdkHome $::env(EMSDK)
723
-}
724
-if {$emsdkHome ne ""} {
725
- define EMSDK_HOME $emsdkHome
726
- set emsdkEnv "$emsdkHome/emsdk_env.sh"
727
- if {[file exists $emsdkEnv]} {
728
- puts "Using Emscripten SDK environment from $emsdkEnv."
729
- define EMSDK_ENV $emsdkEnv
730
- if {[info exists ::env(EMCC_OPT)]} {
731
- define EMCC_OPT $::env(EMCC_OPT)
732
- }
733
- } else {
734
- puts "emsdk_env.sh not found. Assuming emcc is in the PATH."
735
- }
736
-}
737
-
738711
 # Network functions require libraries on some systems
739712
 cc-check-function-in-lib gethostbyname nsl
740713
 if {![cc-check-function-in-lib socket {socket network}]} {
741714
 # Last resort, may be Windows
742715
 if {[is_mingw]} {
@@ -767,11 +740,11 @@
767740
 cc-check-functions strchrnul
768741
 cc-check-functions pledge
769742
 cc-check-functions backtrace
770743
771744
 # Termux on Android adds "getpass(char *)" to unistd.h, so check this so we
772
-# guard against including it again; use cctest as cc-check-functions and
745
+# guard against including it again; use cctest as cc-check-functions and
773746
 # cctest_function check for "getpass()" with no args and fail
774747
 if {[cctest -link 1 -includes {unistd.h} -code "getpass(0);"]} {
775748
 define FOSSIL_HAVE_GETPASS 1
776749
 msg-result "Found getpass() with unistd.h"
777750
 }
@@ -859,16 +832,88 @@
859832
 # Linux can only infer the dependency on pthread from OpenSSL when
860833
 # doing dynamic linkage.
861834
 define-append LIBS -lpthread
862835
 }
863836
864
-if {[get-define EMSDK_HOME] ne ""} {
837
+
838
+########################################################################
839
+# @proj-check-emsdk
840
+#
841
+# Emscripten is used for doing in-tree builds of web-based WASM stuff,
842
+# as opposed to WASI-based WASM or WASM binaries we import from other
843
+# places. This is only set up for Unix-style OSes and is untested
844
+# anywhere but Linux. Requires that the --with-emsdk flag be
845
+# registered with autosetup.
846
+#
847
+# It looks for the SDK in the location specified by --with-emsdk.
848
+# Values of "" or "auto" mean to check for the environment var EMSDK
849
+# (which gets set by the emsdk_env.sh script from the SDK) or that
850
+# same var passed to configure.
851
+#
852
+# If the given directory is found, it expects to find emsdk_env.sh in
853
+# that directory, as well as the emcc compiler somewhere under there.
854
+#
855
+# If the --with-emsdk flag is explicitly provided and the SDK is not
856
+# found then a fatal error is generated, otherwise failure to find the
857
+# SDK is not fatal.
858
+#
859
+# Defines the following:
860
+#
861
+# - EMSDK_HOME = top dir of the emsdk or "".
862
+# - EMSDK_ENV_SH = path to EMSDK_HOME/emsdk_env.sh or ""
863
+# - BIN_EMCC = $EMSDK_HOME/upstream/emscripten/emcc or ""
864
+# - HAVE_EMSDK = 0 or 1 (this function's return value)
865
+#
866
+# Returns 1 if EMSDK_ENV_SH is found, else 0. If EMSDK_HOME is not empty
867
+# but BIN_EMCC is then emcc was not found in the EMSDK_HOME, in which
868
+# case we have to rely on the fact that sourcing $EMSDK_ENV_SH from a
869
+# shell will add emcc to the $PATH.
870
+proc proj-check-emsdk {} {
871
+ set emsdkHome [opt-val with-emsdk]
872
+ define EMSDK_HOME ""
873
+ define EMSDK_ENV_SH ""
874
+ define BIN_EMCC ""
875
+ set hadValue [llength $emsdkHome]
876
+ msg-checking "Emscripten SDK? "
877
+ if {$emsdkHome in {"" "auto"}} {
878
+ # Check the environment. $EMSDK gets set by sourcing emsdk_env.sh.
879
+ set emsdkHome [get-env EMSDK ""]
880
+ }
881
+ set rc 0
882
+ if {$emsdkHome ne ""} {
883
+ define EMSDK_HOME $emsdkHome
884
+ set emsdkEnv "$emsdkHome/emsdk_env.sh"
885
+ if {[file exists $emsdkEnv]} {
886
+ msg-result "$emsdkHome"
887
+ define EMSDK_ENV_SH $emsdkEnv
888
+ set rc 1
889
+ set emcc "$emsdkHome/upstream/emscripten/emcc"
890
+ if {[file exists $emcc]} {
891
+ define BIN_EMCC $emcc
892
+ }
893
+ } else {
894
+ msg-result "emsdk_env.sh not found in $emsdkHome"
895
+ }
896
+ } else {
897
+ msg-result "not found"
898
+ }
899
+ if {$hadValue && 0 == $rc} {
900
+ # Fail if it was explicitly requested but not found
901
+ proj-fatal "Cannot find the Emscripten SDK"
902
+ }
903
+ define HAVE_EMSDK $rc
904
+ return $rc
905
+}
906
+
907
+if {[proj-check-emsdk]} {
865908
 define EMCC_WRAPPER $::autosetup(dir)/../tools/emcc.sh
909
+ define EMCC_OPT [get-env EMCC_OPT "-Oz"]; # optional flags to pass to emcc
866910
 make-template tools/emcc.sh.in
867911
 catch {exec chmod u+x tools/emcc.sh}
868912
 } else {
869913
 define EMCC_WRAPPER ""
914
+ define EMCC_OPT ""
870915
 catch {exec rm -f tools/emcc.sh}
871916
 }
872917
873918
 # Tag container builds with a prefix of the checkin ID of the version
874919
 # of Fossil each one contains. This not only allows multiple images
875920
--- auto.def
+++ auto.def
@@ -706,37 +706,10 @@
706 $tclconfig(TCL_LD_FLAGS)]
707 define-append EXTRA_LDFLAGS $tclconfig(TCL_LD_FLAGS)
708 define FOSSIL_ENABLE_TCL
709 }
710
711 # Emscripten is a purely optional component used only for doing
712 # in-tree builds of WASM stuff, as opposed to WASM binaries we import
713 # from other places. This is only set up for Unix-style OSes and is
714 # untested anywhere but Linux.
715 set emsdkHome [opt-val with-emsdk]
716 define EMSDK_HOME ""
717 define EMSDK_ENV ""
718 define EMCC_OPT "-Oz"
719 if {$emsdkHome eq "" && [info exists ::env(EMSDK)]} {
720 # Fall back to checking the environment. $EMSDK gets set
721 # by sourcing emsdk_env.sh.
722 set emsdkHome $::env(EMSDK)
723 }
724 if {$emsdkHome ne ""} {
725 define EMSDK_HOME $emsdkHome
726 set emsdkEnv "$emsdkHome/emsdk_env.sh"
727 if {[file exists $emsdkEnv]} {
728 puts "Using Emscripten SDK environment from $emsdkEnv."
729 define EMSDK_ENV $emsdkEnv
730 if {[info exists ::env(EMCC_OPT)]} {
731 define EMCC_OPT $::env(EMCC_OPT)
732 }
733 } else {
734 puts "emsdk_env.sh not found. Assuming emcc is in the PATH."
735 }
736 }
737
738 # Network functions require libraries on some systems
739 cc-check-function-in-lib gethostbyname nsl
740 if {![cc-check-function-in-lib socket {socket network}]} {
741 # Last resort, may be Windows
742 if {[is_mingw]} {
@@ -767,11 +740,11 @@
767 cc-check-functions strchrnul
768 cc-check-functions pledge
769 cc-check-functions backtrace
770
771 # Termux on Android adds "getpass(char *)" to unistd.h, so check this so we
772 # guard against including it again; use cctest as cc-check-functions and
773 # cctest_function check for "getpass()" with no args and fail
774 if {[cctest -link 1 -includes {unistd.h} -code "getpass(0);"]} {
775 define FOSSIL_HAVE_GETPASS 1
776 msg-result "Found getpass() with unistd.h"
777 }
@@ -859,16 +832,88 @@
859 # Linux can only infer the dependency on pthread from OpenSSL when
860 # doing dynamic linkage.
861 define-append LIBS -lpthread
862 }
863
864 if {[get-define EMSDK_HOME] ne ""} {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
865 define EMCC_WRAPPER $::autosetup(dir)/../tools/emcc.sh
 
866 make-template tools/emcc.sh.in
867 catch {exec chmod u+x tools/emcc.sh}
868 } else {
869 define EMCC_WRAPPER ""
 
870 catch {exec rm -f tools/emcc.sh}
871 }
872
873 # Tag container builds with a prefix of the checkin ID of the version
874 # of Fossil each one contains. This not only allows multiple images
875
--- auto.def
+++ auto.def
@@ -706,37 +706,10 @@
706 $tclconfig(TCL_LD_FLAGS)]
707 define-append EXTRA_LDFLAGS $tclconfig(TCL_LD_FLAGS)
708 define FOSSIL_ENABLE_TCL
709 }
710
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
711 # Network functions require libraries on some systems
712 cc-check-function-in-lib gethostbyname nsl
713 if {![cc-check-function-in-lib socket {socket network}]} {
714 # Last resort, may be Windows
715 if {[is_mingw]} {
@@ -767,11 +740,11 @@
740 cc-check-functions strchrnul
741 cc-check-functions pledge
742 cc-check-functions backtrace
743
744 # Termux on Android adds "getpass(char *)" to unistd.h, so check this so we
745 # guard against including it again; use cctest as cc-check-functions and
746 # cctest_function check for "getpass()" with no args and fail
747 if {[cctest -link 1 -includes {unistd.h} -code "getpass(0);"]} {
748 define FOSSIL_HAVE_GETPASS 1
749 msg-result "Found getpass() with unistd.h"
750 }
@@ -859,16 +832,88 @@
832 # Linux can only infer the dependency on pthread from OpenSSL when
833 # doing dynamic linkage.
834 define-append LIBS -lpthread
835 }
836
837
838 ########################################################################
839 # @proj-check-emsdk
840 #
841 # Emscripten is used for doing in-tree builds of web-based WASM stuff,
842 # as opposed to WASI-based WASM or WASM binaries we import from other
843 # places. This is only set up for Unix-style OSes and is untested
844 # anywhere but Linux. Requires that the --with-emsdk flag be
845 # registered with autosetup.
846 #
847 # It looks for the SDK in the location specified by --with-emsdk.
848 # Values of "" or "auto" mean to check for the environment var EMSDK
849 # (which gets set by the emsdk_env.sh script from the SDK) or that
850 # same var passed to configure.
851 #
852 # If the given directory is found, it expects to find emsdk_env.sh in
853 # that directory, as well as the emcc compiler somewhere under there.
854 #
855 # If the --with-emsdk flag is explicitly provided and the SDK is not
856 # found then a fatal error is generated, otherwise failure to find the
857 # SDK is not fatal.
858 #
859 # Defines the following:
860 #
861 # - EMSDK_HOME = top dir of the emsdk or "".
862 # - EMSDK_ENV_SH = path to EMSDK_HOME/emsdk_env.sh or ""
863 # - BIN_EMCC = $EMSDK_HOME/upstream/emscripten/emcc or ""
864 # - HAVE_EMSDK = 0 or 1 (this function's return value)
865 #
866 # Returns 1 if EMSDK_ENV_SH is found, else 0. If EMSDK_HOME is not empty
867 # but BIN_EMCC is then emcc was not found in the EMSDK_HOME, in which
868 # case we have to rely on the fact that sourcing $EMSDK_ENV_SH from a
869 # shell will add emcc to the $PATH.
870 proc proj-check-emsdk {} {
871 set emsdkHome [opt-val with-emsdk]
872 define EMSDK_HOME ""
873 define EMSDK_ENV_SH ""
874 define BIN_EMCC ""
875 set hadValue [llength $emsdkHome]
876 msg-checking "Emscripten SDK? "
877 if {$emsdkHome in {"" "auto"}} {
878 # Check the environment. $EMSDK gets set by sourcing emsdk_env.sh.
879 set emsdkHome [get-env EMSDK ""]
880 }
881 set rc 0
882 if {$emsdkHome ne ""} {
883 define EMSDK_HOME $emsdkHome
884 set emsdkEnv "$emsdkHome/emsdk_env.sh"
885 if {[file exists $emsdkEnv]} {
886 msg-result "$emsdkHome"
887 define EMSDK_ENV_SH $emsdkEnv
888 set rc 1
889 set emcc "$emsdkHome/upstream/emscripten/emcc"
890 if {[file exists $emcc]} {
891 define BIN_EMCC $emcc
892 }
893 } else {
894 msg-result "emsdk_env.sh not found in $emsdkHome"
895 }
896 } else {
897 msg-result "not found"
898 }
899 if {$hadValue && 0 == $rc} {
900 # Fail if it was explicitly requested but not found
901 proj-fatal "Cannot find the Emscripten SDK"
902 }
903 define HAVE_EMSDK $rc
904 return $rc
905 }
906
907 if {[proj-check-emsdk]} {
908 define EMCC_WRAPPER $::autosetup(dir)/../tools/emcc.sh
909 define EMCC_OPT [get-env EMCC_OPT "-Oz"]; # optional flags to pass to emcc
910 make-template tools/emcc.sh.in
911 catch {exec chmod u+x tools/emcc.sh}
912 } else {
913 define EMCC_WRAPPER ""
914 define EMCC_OPT ""
915 catch {exec rm -f tools/emcc.sh}
916 }
917
918 # Tag container builds with a prefix of the checkin ID of the version
919 # of Fossil each one contains. This not only allows multiple images
920
M tools/emcc.sh.in
+23 -17
--- tools/emcc.sh.in
+++ tools/emcc.sh.in
@@ -1,6 +1,7 @@
1
-#!/usr/bin/bash
1
+#!/bin/sh
2
+# ^^^^^^^ Please try to keep this script Bourne-compatible.
23
 ########################################################################
34
 # WARNING: emcc.sh is generated from emcc.sh.in by the configure
45
 # process. Do not edit emcc.sh directly, as it may be deleted or
56
 # overwritten by the configure script.
67
 #
@@ -7,54 +8,59 @@
78
 # A wrapper around the emcc compiler which uses configure-time state
89
 # to locate the Emscripten SDK and import the SDK's environment
910
 # script, if needed.
1011
 ########################################################################
1112
 # EMSDK_HOME comes from the configure --with-emsdk=/dir flag.
12
-# EMSDK_ENV is ${thatDir}/emsdk_env.sh and is also set by the
13
+# EMSDK_ENV_SH is ${thatDir}/emsdk_env.sh and is also set by the
1314
 # configure process.
1415
 EMSDK_HOME="@EMSDK_HOME@"
15
-EMSDK_ENV="@EMSDK_ENV@"
16
+EMSDK_ENV_SH="@EMSDK_ENV_SH@"
17
+emcc="@BIN_EMCC@"
1618
17
-emcc=$(which emcc 2>/dev/null)
19
+if [ x = "x${emcc}" ]; then
20
+ emcc=`which emcc 2>/dev/null`
21
+fi
1822
1923
 if [ x = "x${emcc}" ]; then
2024
 # If emcc is not found in the path, try to find it via an emsdk
21
- # installation. The SDK variant is the official installation
22
- # style supported by the Emscripten folks, but emcc is also
23
- # available via package managers on some OSes.
25
+ # installation. The SDK variant is the official installation style
26
+ # supported by the Emscripten project, but emcc is also available
27
+ # via package managers on some OSes.
2428
 if [ x = "x${EMSDK_HOME}" ]; then
2529
 echo "EMSDK_HOME is not set. Pass --with-emsdk=/path/to/emsdk" \
2630
 "to the configure script." 1>&2
2731
 exit 1
2832
 fi
2933
30
- if [ x = "x${EMSDK_ENV}" ]; then
34
+ if [ x = "x${EMSDK_ENV_SH}" ]; then
3135
 if [ -f "${EMSDK_HOME}/emsdk_env.sh" ]; then
32
- EMSDK_ENV="${EMSDK_HOME}/emsdk_env.sh"
36
+ EMSDK_ENV_SH="${EMSDK_HOME}/emsdk_env.sh"
3337
 else
34
- echo "EMSDK_ENV is not set. Expecting configure script to set it." 1>&2
38
+ echo "EMSDK_ENV_SH is not set. Expecting configure script to set it." 1>&2
3539
 exit 2
3640
 fi
3741
 fi
3842
39
- if [ ! -f "${EMSDK_ENV}" ]; then
40
- echo "emsdk_env script not found: $EMSDK_ENV" 1>&2
43
+ if [ ! -f "${EMSDK_ENV_SH}" ]; then
44
+ echo "emsdk_env script not found: $EMSDK_ENV_SH" 1>&2
4145
 exit 3
4246
 fi
4347
4448
 # $EMSDK is part of the state set by emsdk_env.sh.
4549
 if [ x = "x${EMSDK}" ]; then
46
- source "${EMSDK_ENV}" >/dev/null 2>&1 || {
47
- # ^^^ unfortunately outputs lots of noise to stderr
50
+ EMSDK_QUIET=1
51
+ export EMSDK_QUIET
52
+ # ^^^ Squelches informational output from ${EMSDK_ENV_SH}.
53
+ source "${EMSDK_ENV_SH}" || {
4854
 rc=$?
49
- echo "Error sourcing ${EMSDK_ENV}"
55
+ echo "Error sourcing ${EMSDK_ENV_SH}"
5056
 exit $rc
5157
 }
5258
 fi
53
- emcc=$(which emcc 2>/dev/null)
59
+ emcc=`which emcc 2>/dev/null`
5460
 if [ x = "x${emcc}" ]; then
55
- echo "emcc not found in PATH. Normally that's set up by EMSDK_ENV." 1>&2
61
+ echo "emcc not found in PATH. Normally that's set up by ${EMSDK_ENV_SH}." 1>&2
5662
 exit 4
5763
 fi
5864
 fi
5965
6066
 exec $emcc "$@"
6167
--- tools/emcc.sh.in
+++ tools/emcc.sh.in
@@ -1,6 +1,7 @@
1 #!/usr/bin/bash
 
2 ########################################################################
3 # WARNING: emcc.sh is generated from emcc.sh.in by the configure
4 # process. Do not edit emcc.sh directly, as it may be deleted or
5 # overwritten by the configure script.
6 #
@@ -7,54 +8,59 @@
7 # A wrapper around the emcc compiler which uses configure-time state
8 # to locate the Emscripten SDK and import the SDK's environment
9 # script, if needed.
10 ########################################################################
11 # EMSDK_HOME comes from the configure --with-emsdk=/dir flag.
12 # EMSDK_ENV is ${thatDir}/emsdk_env.sh and is also set by the
13 # configure process.
14 EMSDK_HOME="@EMSDK_HOME@"
15 EMSDK_ENV="@EMSDK_ENV@"
 
16
17 emcc=$(which emcc 2>/dev/null)
 
 
18
19 if [ x = "x${emcc}" ]; then
20 # If emcc is not found in the path, try to find it via an emsdk
21 # installation. The SDK variant is the official installation
22 # style supported by the Emscripten folks, but emcc is also
23 # available via package managers on some OSes.
24 if [ x = "x${EMSDK_HOME}" ]; then
25 echo "EMSDK_HOME is not set. Pass --with-emsdk=/path/to/emsdk" \
26 "to the configure script." 1>&2
27 exit 1
28 fi
29
30 if [ x = "x${EMSDK_ENV}" ]; then
31 if [ -f "${EMSDK_HOME}/emsdk_env.sh" ]; then
32 EMSDK_ENV="${EMSDK_HOME}/emsdk_env.sh"
33 else
34 echo "EMSDK_ENV is not set. Expecting configure script to set it." 1>&2
35 exit 2
36 fi
37 fi
38
39 if [ ! -f "${EMSDK_ENV}" ]; then
40 echo "emsdk_env script not found: $EMSDK_ENV" 1>&2
41 exit 3
42 fi
43
44 # $EMSDK is part of the state set by emsdk_env.sh.
45 if [ x = "x${EMSDK}" ]; then
46 source "${EMSDK_ENV}" >/dev/null 2>&1 || {
47 # ^^^ unfortunately outputs lots of noise to stderr
 
 
48 rc=$?
49 echo "Error sourcing ${EMSDK_ENV}"
50 exit $rc
51 }
52 fi
53 emcc=$(which emcc 2>/dev/null)
54 if [ x = "x${emcc}" ]; then
55 echo "emcc not found in PATH. Normally that's set up by EMSDK_ENV." 1>&2
56 exit 4
57 fi
58 fi
59
60 exec $emcc "$@"
61
--- tools/emcc.sh.in
+++ tools/emcc.sh.in
@@ -1,6 +1,7 @@
1 #!/bin/sh
2 # ^^^^^^^ Please try to keep this script Bourne-compatible.
3 ########################################################################
4 # WARNING: emcc.sh is generated from emcc.sh.in by the configure
5 # process. Do not edit emcc.sh directly, as it may be deleted or
6 # overwritten by the configure script.
7 #
@@ -7,54 +8,59 @@
8 # A wrapper around the emcc compiler which uses configure-time state
9 # to locate the Emscripten SDK and import the SDK's environment
10 # script, if needed.
11 ########################################################################
12 # EMSDK_HOME comes from the configure --with-emsdk=/dir flag.
13 # EMSDK_ENV_SH is ${thatDir}/emsdk_env.sh and is also set by the
14 # configure process.
15 EMSDK_HOME="@EMSDK_HOME@"
16 EMSDK_ENV_SH="@EMSDK_ENV_SH@"
17 emcc="@BIN_EMCC@"
18
19 if [ x = "x${emcc}" ]; then
20 emcc=`which emcc 2>/dev/null`
21 fi
22
23 if [ x = "x${emcc}" ]; then
24 # If emcc is not found in the path, try to find it via an emsdk
25 # installation. The SDK variant is the official installation style
26 # supported by the Emscripten project, but emcc is also available
27 # via package managers on some OSes.
28 if [ x = "x${EMSDK_HOME}" ]; then
29 echo "EMSDK_HOME is not set. Pass --with-emsdk=/path/to/emsdk" \
30 "to the configure script." 1>&2
31 exit 1
32 fi
33
34 if [ x = "x${EMSDK_ENV_SH}" ]; then
35 if [ -f "${EMSDK_HOME}/emsdk_env.sh" ]; then
36 EMSDK_ENV_SH="${EMSDK_HOME}/emsdk_env.sh"
37 else
38 echo "EMSDK_ENV_SH is not set. Expecting configure script to set it." 1>&2
39 exit 2
40 fi
41 fi
42
43 if [ ! -f "${EMSDK_ENV_SH}" ]; then
44 echo "emsdk_env script not found: $EMSDK_ENV_SH" 1>&2
45 exit 3
46 fi
47
48 # $EMSDK is part of the state set by emsdk_env.sh.
49 if [ x = "x${EMSDK}" ]; then
50 EMSDK_QUIET=1
51 export EMSDK_QUIET
52 # ^^^ Squelches informational output from ${EMSDK_ENV_SH}.
53 source "${EMSDK_ENV_SH}" || {
54 rc=$?
55 echo "Error sourcing ${EMSDK_ENV_SH}"
56 exit $rc
57 }
58 fi
59 emcc=`which emcc 2>/dev/null`
60 if [ x = "x${emcc}" ]; then
61 echo "emcc not found in PATH. Normally that's set up by ${EMSDK_ENV_SH}." 1>&2
62 exit 4
63 fi
64 fi
65
66 exec $emcc "$@"
67

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